HEKO products and services

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1 HEKO products nd services Elements for ucket elevtors Components for chin conveyors Chins nd ccessories for rotry kilns Clcultions, dvice nd servicing of conveyors HEKO Ketten GmH Postfch 1262 D Wickede (Ruhr), Germny Eisenhnstrße 2 D Wickede (Ruhr), Germny Telefon (+49)-(0) Telefx (+49)-(0) Internet E-mil info@heko.com 3/2005, HEKO Components for ucket elevtors 2.0; Protected y copyright lw. All rights reserved.

2 Components for Bucket Elevtors HEKO Ketten GmH

3 Contents pge 1.0 Overview HEKO round link chins Het tretment Technicl dt for round link chins Dimensions nd technicl dt for round link chins HEKO ucket ttchments Technicl dt for ucket elevtor ttchments Chin shckles type TS/TS-N/TS-L Endless chin system TS, TS-N nd TS-L Chin shckles to type DIN 5699 nd type DIN Chin shckle type S Specil chin shckles type R Nuts nd sfety elements Plug-in ucket ttchment type ST HEKO chin locks Chin locks type B nd type D Chin lock type E HEKO ucket elevtor systems nd their components Scheme of chin ucket elevtors Technicl dt for elevtor uckets HEKO chin wheels Toothless chin wheels with HEKOFLEX plstic rims type RUH nd type RUHS Toothless chin wheels with replcele steel rim segments type RUA Toothless chin wheels with replcele steel rim segments type RUU Toothless chin wheel with replcele hrd cst iron segments type SUR, type KS nd type KSE Toothless chin wheels, one piece, in grey cst iron, type GGB Toothless chin wheels with replcele steel rim segments type RUR Toothless chin wheels with replcele steel rim segments type RUP Toothless chin wheels, in steel with split hu, type RUG Bucket guide disc for toothless chin wheel, type RUB Chin wheels with pocket teeth, in steel, with replcele rim segments type GTA Chin wheels with projecting teeth (inside toothed), in steel, with replcele rim segments, type GIA Chin wheels with projecting teeth (inside toothed), in steel, with replcele rim segments, type GIA Chin wheels with projecting teeth (inside toothed), in steel, with Individully replcele teeth type RIS nd return wheels type BS HEKO chin wheel overview HEKO elements for ucket elevtors Mintennce-free erings for ucket elevtors nd other conveyors Drive nd return wheel shfts Return nd tensioning unit for ucket elevtors HEKO exmple of ucket elevtor sizing Generl technicl informtion 33 HEKO Questionnire Technicl dt for ucket elevtors 35

4 1.0 Overview Bucket elevtor options Description Type Chpter Chin Shckles Type TS 3.2 Chin Shckles Type TS-N/TS-L 3.2 Chin Shckles Type DIN Chin Shckles Type DIN Chin Shckles Type S 3.5 Plug-In Bucket Type ST 3.8 Figure 1: Bucket elevtor options HEKO chins nd ccessories for ucket elevtors re utilised worldwide to provide solutions to wide rnge of trnsport prolems. Aprt from chins HEKO s mnufcturing scope includes severl types of ucket ttchments, chin locks, uckets, drive nd idling wheels, shfts, nd complete, dust-free tensioning/return sttion ssemlies. All HEKO components re mtched to ensure comptiility for troule free opertion. Continued development in close co-opertion with our customers ensures solutions, which meet tody s ever-incresing demnd for improved sfety nd cost effectiveness. Compnies in the cement, sugr, chemicl, gypsum, glss, qurry, food industries nd power plnts re counted mong our mjor clients. World-wide support is provided y HEKO for sizing nd optimising equipment. Mnufcture of the wer resistnt products is crried out t HEKO s mnufcturing fcilities in Wickede. HEKO is ccredited to DIN EN ISO 9001: HEKO

5 2.0 HEKO round link chins HEKO chins distinguish themselves through: high qulity het tretment tilored to prticulr pplictions high ftigue strength close length tolernce of chin pirs Modern welding mchines re em ployed for the mnufcture of HEKO chins. Chins re mnufctured from wide rnge of mterils including mngnese steels, chrome-nickel steels nd fine grin chrome-nickelmolydenum lloy steels. Our own, modern, computercontrolled het tretment processes produce tempered or cse hrdened chins. 2.1 Het tretment Figure 2: Prt view of the HEKO hrdening shop HEKO cse hrdening mens: High reking lod resulting from tough, fine grin core High wer resistnce resulting from surfce hrdness in excess of 800 HV Cse hrdening results in hrd, wer resistnt chin shell. HEKO offers 6 hrdening depths s stndrd. In ddition HEKO offers vrious hrdening depths to suit individul requirements. A surfce hrdness of t lest 800 HV is supplied s stndrd. HEKO tempered mens: very high reking lods For pplictions where high reking lod is tking precedence over hrdness, tempered round link chins mnufctured from mng nese steel, or CrNi or CrNiMo lloy steel re recommended. HEKO 4 Figure 3: Cross section through the length of chin link Figure 4: Cross section through the dimeter of chin link

6 2.2 Technicl dt for round link chins Tle 1: Technicl dt for HEKO qulities cse hrdened qulities mngnese steel cse hrdened qulities CrNi/ CrNiMo steel HEKO 280E HEKO 21 HEKO 210E HEKO 400E HEKO 5 HEKO 350E proof stress N/mm 2 reking stress 280 1) ) 400 1) 370 6) 350 1) N/mm 2 contct surfce hrdness min. joint HV 30 cse hrdening depth d 0,07 0,10 0,14 2) 0,09 0,10 0,14 2) +/-0,01 d fter etching cse hrdening depth d 0,04 0,06 3) 0,09 4) 0,05 0,06 3) 0,09 4) min. Eht 550 product chrcteristic low rsion medium rsion strong rsiveness dynmic lod light medium hevy 1) tolernce 10% 2) 30 mm Ø = 0,12 d, mm Ø = 0,11 d 3) 30 mm Ø = 0,05 d 4) 30 mm Ø = 0,08 d, mm Ø = 0,07 d 5) Eht = cse hrdening depth 6) 30 mm Ø = tolernce 20% Figure 5 : Hrdness curves for HEKO chins of specil mngnese chin steel Figure 6: Hrdness curves for HEKO chins of chromium-nickel nd chromium-nickelmolydenum lloy steels 5 HEKO

7 2.3 Dimensions nd technicl dt for round link chins l = n x t t d 1 2 Figure 7: Dimensions for round link chins Tle 2: Dimensions nd qulities Dimensions / 1 2 cse hrdened mm inside outside HEKO qulities nominl DIN weight width width 280 E E 400 E E di. x pitch chin min. mx. MBK MBK MBK MBK MBK MBK d x t (mm) kg/m (mm) (mm) kn kn kn kn kn kn 10 x 28, ,3 12,0 36, x 35, ,0 14,0 36, x 45, ,5 18,0 47, x 50,0 WN 4,1 16,3 47, x 45, ,8 19,2 58, x 56, ,2 22,0 58, x 64,0 WN 5,1 20,0 55, x 50, ,4 21,6 65, x 63, ,5 24,0 65, x 75,0 WN 7,6 22,0 63, x 56, ,0 24,0 72, x 70, ,2 27,0 72, x 86,0 WN 9,8 26,0 74, x 64, ,0 27,6 83, x 80, ,0 31,0 83, x 73, ,0 31,2 94, x 91, ,0 35,0 94, x 100,0 WN 13,5 31,0 87, x 78, ,0 33,6 101, x 98, ,5 36,0 101, x 84, ,0 36,0 108, x 105, ,0 39,0 108, x 120,0 WN 17,8 36,0 102, x 92, ,0 43,0 119, x 115, ,5 43,0 119, x 136,0 WN 23,8 39,0 113, x 101, ,0 43,2 130, x 126, ,5 47,0 130, x 144,0 WN 30,0 44,0 127, x 109, ,0 51,0 140, x 136, ,0 51,0 140, x 118, ,0 50,0 151, x 147, ,0 55,0 151, MBK = min. reking lod, WN = works stndrd, d = dimeter, t = pitch, other dimensions nd qulities on request, including stinless steel nd other lloys. Mtching of chins nd wheels is essentil for troule free opertion. HEKO 6

8 3.0 HEKO ucket ttchments HEKO ttchments the right solution for every ppliction severl options to suit individul requirements finish self-colour, glvnised or other surfce finishes HEKO offers wide spectrum of cost effective nd sfe ttchments for elevtors. HEKO s ttchments re suitle for doule-strnd elevtors. The het tretment of the ttchments will e effected individully to the requirements. There is choice etween different hrdened qulities. Generlly the conveying chins cn e supplied s single components or pre-mounted endless chin strnds. We will e plesed to ssist you in selecting the optimum ttchment for your ppliction. 3.1 Technicl dt for ucket elevtor ttchments Tle 3: Technicl dt for HEKO qulities Hrdened contct re qulities Cse hrdened qulities Het tretle steel CrMo-steel CrMo-steel CrNi-steel HEKO 4/1 HEKO 4/2 HEKO 6 HEKO 5 proof stress N/mm 2 reking stress ) N/mm 2 contct surfce hrdness min. joint HV 1 hrdening depth d min. 0,1 1) 0,1 1) 0,14 1) 0,1 1) fter etching hrdening depth d min. 0,06 0,06 0,09 0,06 Eht 2) Rht 3) 550 HV 1 1) tolernce d 0,01d 2) Eht = cse hrdened depth 3) Rht = effective hrdening depth 4) tolernce - 10% t =105 = -20% Figure 8 : Hrdness curves for ucket ttchments Figure 9: Automtic hrdness tester (Protocolling of hrdness vlues nd hrdness curve) 7 HEKO

9 3.2 Chin shckles type TS/TS-N/TS-L Chin shckles type TS / TS-N / TS-L re suitle s ucket ttchments for ll duties. The shckles re tempered nd induction hrdened in the contct res to hrdening depth of t lest 0.14 x d. Shckles type TS nd TS-N cn e used with pocket teeth nd projecting teeth nd toothless chin wheels. Assemly nd dismounting of the shckle is possile t ny time when using spring pins for the fstening of the closing pltes split pins re ville optionlly. Advntges of the TS-Shckles compred to DIN-Shckles Locked distnce plte, therefore uninterrupted force trnsmission Higher reking lod Lrger contct surfce Lower wer Esier ssemly/dis-ssemly Interchngele with shckle to DIN 5699 Elimintion of chin tension onto ucket nd other prts Eliminting lternting lod nd thus voiding ftigue frcture of shckle Supplied loose or pre-fitted with chin to form endless chin strnd Suitle for chins to DIN 764/766 nd works stndrd Regrding high lods the chin pitch cn e equl to the shckle pitch, regrding high cpcity uckets we recommend the TS-L shckle. Figure 10: HEKO chin shckle type TS Figure 11: HEKO chin shckle type TS-N Figure 12: HEKO chin shckle type TS-L The TS type is recommended for use s horizontl ttchment, i.e. mostly uckets with side wll ttchment. The forged distnce plte incorportes n dditionl support on the chin wheel. Both toothed nd toothless wheels cn e used with the TS-Shckle. The TS-N type, though primrily used for verticl ttchment, i.e. rer wll mounted uckets. It hs the sme properties s the TS-Shckle, the only difference eing the use of plin, fricted distnce plte which is more cost effective. The TS-L type is recommended for verticl ttchment nd high turning moments s imposed y wider nd deeper uckets, i.e. high cpcity uckets, nd uckets over 630mm width. An extended distnce plte pro - vides n dditionl support nd extends the supporting centres over three chin pitches. The dditionl support ensures smoother opertion under high lods nd reduces wer. Due to the higher lod cpility, chin nd shckle pitch cn e the sme even with high cp - city uckets. The TS-L Shckle only enefits verticl ucket ttchment. d 2 t D D1 d 2 t HEKO HEKO 2 h 2 h h 2 h 1 L h2 L d 3 h 1 l d 3 l d 1 d 1 L 1 L 2 D 1 HEKO 8 Figure 13: HEKO shckle type TS Figure 14: HEKO shckle type TS-N Figure 15: HEKO shckle type TS-L

10 Tle 4: Dimensions nd qulities of HEKO shckle type TS, TS-N nd TS-L pitch to suit chin, weight dimensions in mm HEKO qulity nominl DIN kg/ech hrdened dimeter complete (0,14 x d) TS TS-L HEKO 6 t/mm d/mm TS-N 2 d 2 d 3 d 1 h h 1 D L L 1 L 2 l MBK (kn) /766 0,53 0, M 12 64,5 40, , /764/766/WN 0,70 1, M , / /766 1,00 1, M /764/766 1,45 2, M /766/WN 1,85 3, M /766/WN 2,70 4, M , /766/WN 3,90 6, M , WN 6,10 9, M / /766 7,60 11, M / /766 9,00 13, M MBK = min. reking lod, t = pitch, d = dimeter Chin pitch nd shckle pitch must e the sme when using toothed chin wheels Toothless wheels my e used with un-mtching chin nd shckle pitch. 3.3 Endless chin system type TS, TS-N nd TS-L Advntges of HEKO endless chin strnds Pre-ssemled chin strnds in lengths to suit client s requirements Minimised erection time s complete strnds cn e pulled into the elevtor Esy dis-ssemly/shortening s split pins cn e removed quickly Chin locks re not required Full lod cn e pplied to the strnds without ttching uckets Figure 16: HEKO endless chin systems with shckle type TS, -TS-N nd -TS-L Figure 17: quick nd simple ssemly of HEKO endless chin strnd A further dvntge of HEKO s endless chin strnds is tht toothed wheels re not required when the chin lod provides sufficient friction grip, which pplies in most cses. Incresed service life s well s reduced investment nd opertion costs result. Correct selection of components, fitting nd opertion cn eliminte chin slip in most cses, without excess tensioning vi the idling wheel. The incresed contct re provided, fter the initil running-in period y the chin nd shckle, leds to reduced wer when compred to other types of ttchments. 9 HEKO

11 3.4 Chin shckles to type DIN 5699 nd type DIN S d 2 t HEKO d 1 h l D B L Simple to fit For chin to DIN 764/766 nd works stndrd Suitle for toothed wheels with equl chin pitch, otherwise use toothless wheels Shckles must only e used with distnce plte nd sfety element to secure nut Figure 18: HEKO shckle to type DIN 5699 Tle 5: Dimensions nd qulities of HEKO shckles to DIN 5699 pitch to suit chin, weight chin shckles HEKO qulities chin wheel chin wheel kg/ech dimensions in mm induction hrdened toothed toothless shckle plte HEKO41 HEKO5 t/mm d/mm d/mm-din with nuts 2 d 2 d 1 h l L D S B MBK (kn) x ,14 0, M , x 45 10/ ,26 0, M x 56 13/ ,43 0, M x 63 16/ / ,63 0, M x 70 18/ / ,97 0, M x 80 20/ / ,26 0, M x 91 23/ / ,85 0, M x / / ,50 0, M x / / ,25 1, M x / / ,48 1, M x / / ,08 1, M MBK = min. reking lod, t = pitch, d = dimeter, chin pitch nd shckle pitch must e the sme when using toothed chin wheels, regrding toothless wheels the shckle size my e igger thn the chin size. Remrk Pge 34. Tolernces s per tle 3 d 2 t 2 h L t S l D B d 1 Figure 19: HEKO shckle to type DIN 745 Figure 20: HEKO distnce plte for shckle to type DIN 5699 nd DIN 745 Tle 6: Dimensions nd qulities of HEKO shckles to DIN 745 pitch to suit chin, weight chin shckles HEKO qulities chin wheel chin wheel kg/ech dimensions in mm indution hrdened toothed toothless shckle plte HEKO41 HEKO5 t/mm d/mm d/mm-din withnuts 2 d 2 d 1 h l L D S B MBK (kn) x ,19 0,08 11,5 14 M , x 56 13/ ,39 0, M x 63 16/ ,67 0, M x 70 18/ / ,03 0, M x 80 20/ / ,26 0, M x 91 23/ / ,03 0, M x / / ,60 0, M x / / ,42 1, M x / / ,07 1, M x / / ,33 1, M MBK = min. reking lod, t = pitch, d = dimeter, chin pitch nd shckle pitch must e the sme when using toothed chin wheels, regrding toothless wheels the shckle size my e igger thn the chin size. Remrk Pge 34. Tolernces s per tle 3 HEKO 10

12 3.5 Chin shckle type S Simple to fit For chin to DIN 764/766 nd works stndrd Suitle for toothed wheels with equl chin pitch, otherwise use toothless wheels Shckles must only e used with distnce plte nd sfety element to secure nut 2 d 1 d 2 t HEKO t 2 h Figure 21: HEKO chin shckle type S l L B D t 2 S Tle 7: Dimensions nd qulities of HEKO shckles type S pitch to suit chin, weight kg/ech chin shckles HEKO qulitiy DIN 764 DIN 766 shckle plte dimensions in mm induction hrdened with HEKO41 t/mm d x t/mm d x t/mm 2 nuts t 2 2 d 2 d 1 h l L D S B MBK (kn) x x 36 0,30 0, M x x 45 0,54 0, M x x 56 1,11 0, M x x 64 1,80 0, M x x 73 2,21 0, M x x 84 3,89 1, M x x 101 6,41 1, M x x 109 8,47 2, M x x ,30 3, M MBK = min. reking lod, t = pitch, d = dimeter, other dimensions nd executions on request 3.6 Specil chin shckles type R HEKO mnufctures different shckle ttchments to client s requirements. There is huge stock of different executions nd dimensions. The mentioned type R is ville in two sizes, type 481 with 99 mm pitch for chin 13 x 45, type 482 N with 95 mm pitch for chin 18 x 63. The shckles re mde of het tretle steel with induction hrdened contct res. 3.7 Nuts nd sfety elements Figure 22: HEKO spezil chin shckle type R Figure 23: Hexgon nut to DIN 555/934 nd hlf nut to DIN 439/936 Figure 24: Self-locking nut with Nylon insert to DIN 985N nd metllic self-locking nut to DIN 980V A secure ttchment of uckets is essentil for prolonged smooth opertion. Suitle sfety elements re therefore essentil nd eside is smll selection which cn e provided, others on request. Figure 25: Sfety sheet Figure 26: Spring wsher to DIN 127, toothed locking wsher nd wsher to DIN H E K O

13 3.8 Plug-in ucket ttchment type ST nd chin locks type FL/RS nd VK HEKO plug-in ttchment for uckets Vrile ucket centres Improved ucket support compred to DIN-Shckle through lrger support centres Endless chin strnds with chin locks Suitle only with toothed wheels Requires chin locks nd idling wheels with ucket guide discs l c Tle 8: Dimensions for HEKO plug-in ttchment type ST h Figure 27: HEKO plug-in connector type ST g k j d nominl di. dimensions in mm x pitch, c d g h j k l dxt/mm 14 x x x x x x x x t = pitch, d = dimeter Prts cn e supplied pre-ssemled or loose The Plug-In ttchment type ST consists of: 2x4 pieces side rckets with hrdened holes 2 support pins flt, inclusive of split pin 2 support pins round, inclusive of split pin, cse hrdened Chin locks type FL/RS nd VK re used for connecting longer chin strnds. These chin locks hve the sme physicl properties to those of the corresponding chin. Fitting suggestions: Line-up rckets so tht the holes re in line nd weld rckets to the uckets using suitle electrode. Assemly of 2 components is simple s the chin only needs to e slckened slightly. These chin locks should only e instlled in verticl position. c Figure 28: Chin lock type FL c Tle 9: Chin lock type FL/RS nd VK to suit chin, dimensions/mm nominl dimeter x pitch height width weight type d x t/mm c kg/ech Figure 29: HEKO chin lock type VK 14 x ,6 VK 16 x ,5 0,5 RS 16 x ,1 VK 19 x 75 66,5 23 0,8 RS 19 x ,0 VK 22 x ,9 FL 22 x ,8 VK 26 x ,4 FL 26 x ,5 4,6 VK 30 x ,2 FL 30 x ,1 VK 34 x ,2 FL 38 x ,2 FL Suitle chin wheels s per pge 25 HEKO 12

14 4.0 HEKO chin locks 4.1 Chin locks type B nd type D type B type D d e t e d t Figure 30: Chin locks type B with welded nut nd type D with loose nut. h h HEKO chin locks type B nd type D re fricted y welding. These chin locks re supplied complete with hed cup screws to DIN 6912, grde 8.8. These chin locks re suitle for use with wheels with pocket teeth nd projecting teeth. Normlly these chin locks re instlled horizontlly, ut specil designs lso llow verticl instlltion. Their mteril qulity is mtched to tht of the chin. Tle 10: Sizes nd qulities of HEKO chin locks type B und type D to suit chin, DIN dimensions in mm weight hed cup HEKO qulity, MBK (kn) 1 nominl chin kg/ech screw hrdened contct re dimeter x DIN qulities pitch HEKO HEKO HEKO HEKO HEKO HEKO d x t/mm e h 280 E E 400 E E 10 x x x x x x x x x ,10 0,20 0,35 0,50 0,75 1,10 1,60 2,60 4,45 M 10 M 10 M 14 M 14 M 16 M 20 M 20 M 24 M ) Other dimensions nd qulities on request, tolernce -10% /HEKO 400E -20%, MBK = min. reking lod 4.2 Chin lock type E t d 2 d 3 L h 1 l h 2 d 2 d 1 D HEKO chin locks type E re fricted for hevy duty pplictions. Esy to fit nd with doule security y mens of the use of nuts nd split pins. Suitle for use with pocket toothed nd projecting toothed wheels, s well s in verticl nd horizontl position. Tle 11: Sizes nd qulities of HEKO chin locks type E Figure 31: HEKO chin lock type E pitch to suit chin, weight dimensions in mm split pin HEKO qulity t/mm nominl kg/ech to hrdened dimeter x 2 d 2 d 3 d 1 h h 1 D L DIN 94 1 HEKO 6 pitch/din MBK (kn) x 45 / 764 0, M 12 64,5 40, x x 56 / 764 0, M x x 63 / 764 1, M x x 70 / 764 1, M x x 80 / 764 1, M x x 91 / 764 2, M x x 105 / 764 3, M x x 126 / 764 6, M x x 136 / 764 7, M x x 147 / 764 9, M x ) tolernce -10%, MBK = min. reking lod, spring pin s DIN 1481 on request. 13 H E K O

15 HEKO HEKO HEKO 5.0 HEKO ucket elevtor systems nd their components 5.1 Scheme of chin ucket elevtors Figure 32R: Bucket elevtor, rer wll mounted, for centrifugl dischrge type Figure 33M: Bucket elevtor, side wll mounted, for grvity dischrge type Figure 34S: Bucket elevtor, side wll mounted, with snu wheel, positive dischrge type Tle 12: Exmples for chin nd ucket elevtors using HEKO elements, s shown in figure 31 R ucket P.C.D. chin to suit No. of shckle chin TS ucket ucket to DIN x x s speed chin links pitch/din distnce shckle centres volume weight cpcity mm clc./min-mx d x t n kg 745/5699 l kg DIN/TS t/h 160 x 140 x ,95-1,2 10 x , ,95 2,4 11/11 7 0, /8 9 0, /7 160 x 160 x ,95-1,2 10 x , ,2 2,7 14/14 7 0, /11 9 0, /9 200 x 160 x ,95-1,2 13 x , ,5 3,2 14/ x 180 x 3 HL 7 1, /11 9 1, /9 250 x 180 x ,05 0,95-1,2 16 x , ,4 5,6 19/20 7 2, /15 9 2, / x 200 x ,05 1,0-1,3 16 x , ,2 24/ x 200 x 4 HL 7 2, /19 9 2, / x 200 x ,1 1,0-1,3 18 x , ,75 7,2 28/ x 224 x 4 HL 7 2, /22 9 3, / x 224 x ,2 1,0-1,4 20 x , ,9 9,7 44/ x 250 x 4 HL 7 4, /34 9 5, / x 250 x ,25 1,0-1,4 23 x , ,3 16,4 63/ x 280 x 5 HL 7 6, /49 9 7, / x 280 x ,3 1,1-1,5 26 x , ,6 23,4 91/ x 315 x 5 HL 7 8, / , / x 315 x ,35 1,2-1,5 30 x , ,3 37,1 192/ x 355 x 6 HL 5 9, / , / x 355 x ,45 1,2-1,5 36 x , ,6 51,2 280/ x 400 x 6 HL 5 16, / , / x 400 x /1400 1,5 1,2-1,6 39 x , ,4 70,5 433/ x 450 x6 HL 5 16, / , / x 425 x /1500 1,5 1,2-1,6 42 x , , , x 450 x ,5 1,2-1,6 42 x , x 500 x 6 HL 5 26, , Degree of filling 75%, densitiy of mteril 1,0 t/m 3, volume = I, cpcity = t/h, HL = high cpcity ucket The weight of the uckets correspond with the ucket execution finish C. For other centres you cn lso use chins to DIN 762, 766 nd works stndrd. An exmple of ucket elevtor clcultion refer to pge 32. Regrding toothed wheels pitch of chin must e equl to shckle pitch. HEKO 14

16 Elevtor uckets to DIN nd other dimensions Mnufctured in wide rnge of mterils, including stinless steel, surfce coting or ruer inserts Mnufctured to HEKO stndrd or to espoke requirements Buckets widths from 800 mm inclusive of stiffeners Suitle for ll types of ucket ttchments Buckets re supplied for rer wll mounting with re-enforcing strip (Type L) or re-enforcing plte (Type M) or for side wll mounting (Type N). Specil requirements to suit customers cn lso e mnufctured. The vilility of high cpcity uckets enles considerle increse in throughput with miniml chnges to the foot print of the elevtor. When hndling compcting mteril or lrge stones the ddition of ripping teeth to the front of pprox. 5 to 10 % of the uckets (Fig. 40) is recommended. Such teeth reduce the scooping forces, minimise the risk of the tensioning device lifting nd thus prevent chin slip. The informtion elow provides detils of the most populr rnge of uckets. s Figure 35: Bucket execution A without re-enforcing rim Figure 36: Bucket execution B with front re-enforcing rim DIN DIN HL volume weight cpcity volume weight cpcity volume weight cpcity I kg DIN/TS t/h I kg DIN/TS t/h I kg DIN/TS t/h 1,5 2,6 18/19 1,5 2,6 18/19 14/15 14/15 11/11 11/11 1,9 2,9 23/24 1,9 2,9 23/24 18/18 23/24 14/15 14/15 2,4 3,4 23/24 2,4 3,4 23/24 4,1 4,6 39/41 17/18 18/18 30/31 14/14 14/14 24/25 3,7 4,4 30/31 3,7 4,4 30/31 23/23 23/23 18/18 18/18 4,6 6,8 38/39 4,6 6,8 38/39 6,3 7,8 52/53 28/29 28/29 39/40 23/24 23/24 32/32 5,8 8 44/45 5,8 8 44/ ,9 77/79 33/34 33/34 58/59 27/28 27/28 47/47 9,4 10,9 70/72 9,4 10,9 70/72 16,3 14,3 123/126 53/54 53/54 93/94 42/43 42/43 74/75 14,9 18,1 102/105 14,9 18,1 102/105 25,2 23,5 173/177 76/78 76/78 130/133 62/63 62/63 105/106 23,5 25,3 147/151 23,5 25,3 147/151 40,5 33,1 254/ / / /195 89/90 89/90 154/156 37,3 40,7 308/323 37,3 40,7 308/323 64,8 57,4 535/ / / / / / /281 58,3 55,5 434/452 58,3 55,5 434/ ,3 81,4 755/ / / / / / / ,3 447/ ,3 447/ , / / / / / / / , , , For ucket connecting dimensions to DIN15236/4 see pge 16. Re-enforcement nd stiffening strips must not e welded continuously to void unnecessry stresses nd possile distortion. Figure 37: Bucket execution C with re-enforcing rim on three sides Figure 38: Elevtor uckets to DIN 15233, 15234, 15235, (from left to right) Figure 39: ove left: high cpcity ucket ove right: grvity, centrl dischrge ucket Figure 40: top ucket with teeth nd middle we ottom ucket with side rckets 15 H E K O

17 5.2 Technicl dt for elevtor uckets s v 1 e 1 d w s h v 2 e 2 v 2 i 1 h i 2 h 1 t h 2 d t h 1 h 2 Figure 41: Bucket with rer wll mounting type L Figure 42: Bucket with direct side wll mounting type N Tle 13: Dimensions for elevtor uckets, ucket fstening to DIN 15236, pge 4 ucket DIN h 1 h 2 t d d h h e 1 i 1 v 1 v 1 e 2 e 2 i 2 v2 w x x s TS TS TS TS 160 x 140 x , , x 160 x , x 160 x , x 180 x 3 HL x 180 x x 200 x x 200 x 4 HL x 200 x , x 224 x 4 HL , x 224 x , x 250 x 4 HL , x 250 x x 280 x 5 HL x 280 x x 315 x 5 HL x 315 x x 355 x 6 HL x 355 x x 400 x 6 HL x 400 x x 450 x 6 HL x 425 x x 450 x x 500 x 6 HL HL = High cpcity ucket HEKO 16

18 6.0 HEKO chin wheels 6.1 Toothless chin wheels with HEKOFLEX rim segments type RUH nd type RUHS Quiet running Also suitle s non-toothed drive wheels for short shft centres due to improved friction grip Figure 43: HEKOFLEX rim segment type RUHS with steel core, contct res hrdened s /1 Figure 44: HEKOFLEX rim segment type RUH with steel or cst iron core Tk ø d c HEKOFLEX segmented rims re mnufctured from Polyurethne, the excellent properties of which ensure good service life. A Steel-Polyurethne comintion is used for higher lod pplictions which comines the higher lod crrying cpility of the steel core nd improved friction grip of the Polyurethne. In ddition to the improved friction grip of the Polyurethne, lrger lods cn e ccommodted thus improving the service life compred to the norml HEKOFLEX segments. HEKOFLEX rims cn e used with operting tempertures up to 100 C. Figure 45: HEKOFLEX sprocket wheel teeth with plstic chin ering surfce Fitting instructions see pge 34 Tle 14: Dimensions of HEKOFLEX plstic segments type RUH nd RUHS P.C.D. to suit chin shckle dimensions in mm numer of weight model chin wheel nominl pitch segments without reference dimeter / 1 c d s ech wheel chin guide mm, Tkø d/mm t/mm kg/ech /56 18/ SCU / /56 18/ SCU /16/ /63 20/ /63 20/ SCU /18/ /70 23/ /80 25/ /80 25/ SCU / /91 28/ /91 28/ SCU / /105 32/ /105 32/ SCU / /126 36/ /126 36/ SCU /33/ /136 40/ /136 42/ /136 42/ SCU / /147 45/ P.C.D./Tkø = pitch circle dimeter, d = dimeter, t = pitch, with side mounted shckle DIN 745 nd other shckles, dimensionl differences must e considered. We will e plesed to ssist on pplictions with lrge shft centres nd throughputs. 17 H E K O

19 6.2 Toothless chin wheels with replcele steel rim segments type RUA s s Tk ø c d c d c Preferle for drive wheels high lod cpility Suitle for verticl nd horizontl ucket ttchments Complete with cut-outs to prevent product uild-up in wheels Figure 46: HEKO chin wheel type RUA, toothless, with replcele steel segments Figure 46: HEKO chin wheel type RUA I, toothless, with replcele steel segments nd chin guide t one side c HEKO 18 HEKO chin wheels type RUA re predominntly fitted s drive wheels. These wheels hve higher lod cpcity due to the lrge numer of fixings which secure the segments. Hus re mnufctured from cron steel nd segments re fricted from CrMo lloy steel. Segments re normlly supplied with tensile strength of 700 to 800 N/mm 2, ut this cn e incresed, on request, y het tretment up to N/mm 2. Such tretment ensures good durility under extreme operting conditions. The chin wheels type RUA cn e used with verticlly nd horizontlly mounted shckles nd other types of ucket ttchments. The steel segments cn lso e retrofitted to cst iron or cst steel hus. The cut-outs in the hu minimise the chnce of mteril uild-up within the wheel which could otherwise led to chins coming off the wheels. All wheels re supplied with keywys or, on request, with tper lock ushes. In ddition the hus hve holes for spcer rs to djust for the correct chin centre distnce. Segments cn e supplied, on request, with chin guide t one or oth sides. However, experience hs shown tht such guide is unnecessry for drive wheels in most cses. Figure 46c: HEKO chin wheel type RUA II, toothless, with replcele steel segments nd chin guide t oth sides Tle 15: Dimensions for toothless HEKO chin wheels with interchngele steel segments type RUA P.C.D. to suit chin shckle dimensions in mm numer of weight chin wheel nominl pitch segments without dimeter c d s ech chin mm, Tkø d/mm t/mm wheel guide kg/ech / / / / / / / / / / / / / / / P.C.D./Tkø = pitch circle dimeter, d = dimeter, t = pitch, other dimensions nd executions on request. Fitting instructions see pge 34

20 6.3 Toothless chin wheels with replcele steel rim segments type RUU s s Tk ø c d d c c Figure 47: HEKO chin wheel type RUU, toothless with replcele steel segments Figure 47: HEKO chin wheel type RUU I, toothless with replcele steel segments nd chin guide t one side Figure 47c: HEKO chin wheel type RUU I, toothless with replcele steel segments nd chin guide t oth sides c Tle 16: Dimensions for toothless HEKO chin wheels with replcele steel segments type RUU P.C.D. to suit chin shckle dimensions in mm numer of weight chin wheel nominl pitch segments without dimeter c d s ech chin mm, Tkø d/mm t/mm wheel guide kg/ech / / / / / / / / / / / / / / / P.C.D./Tk ø = pitch circle dimeter, d = dimeter, t = pitch, other dimensions nd executions on request. Fitting instructions see pge 34 Suitle s return nd drive wheel, drive wheel for medium lod cpility Extr lrge cut-outs to prevent uild-up inside the wheel, idel for return idling wheels Suitle for verticl nd horizontl ucket ttchments HEKO chin wheels type RUU my e used s return idling wheels s well s drive wheels for medium lod nd up to 30m shft centres. The lrge cutouts in the hu re designed to prevent uild-up of product inside the wheels nd re therefore idel for return idling wheels inside the elevtor oot. Even mteril with lrger prticle size is pressed through the lrge cut-outs, otherwise this could led to chins coming off the wheels. Hus re mnufctured from cron steel nd segments re fricted from CrMo lloy steel. Segments re normlly supplied with tensile strength of 700 to 800 N/mm 2, ut this cn e incresed, on request, y het tretment. These chin wheels cn e used with verticlly nd horizontlly mounted shckle nd mny other types of ucket ttchments. All wheels re supplied with keywys or, on request, with tper lock ushes. In ddition the hus hve holes for spcer rs to djust for the correct chin centre distnce. Segments cn e supplied, on request, with chin guide t one or oth sides. However, experience hs shown tht such discs re unnecessry for drive wheels. 19 H E K O

21 6.4 Toothless chin wheel with replcele hrd cst iron segments type SUR, type KS nd type KSE 1 2 Tk ø c c c Figure 48: HEKO chin wheel exmple for cst iron hu with segments type KS Suitle for low lods nd low rsion Hus mde from cst iron lso ville with lloy steel segments Figure 49: HEKO chin wheel exmple for steel hu with segments type SUR without chin guide for verticlly nd horizontlly mounted shckle c Figure 49: HEKO chin wheel exmple for steel hu with segments type type KS with chin guide on oth sides for verticlly mounted shckle Figure 49c: HEKO chin wheel exmple for steel hu with segments type type KSE with chin guide t one side for horizontlly mounted shckle Tle 17: Dimensions for chin wheels with replcele chilled cst iron segments type SUR, type KS nd type KSE P.C.D. to suit shckle dimensions in mm numer of weight kg/ech chin wheel chin pitch SUR KS KSE segments pprox. mm, Tkø d/mm t/mm 1 2 c ech wheel SUR KS KSE Chin wheels with segments type SUR, KS or KSE re designed for low nd medium lods. Hus re mnu fctured from cron steel nd segments re cst from hrd wering chilled iron. The smll openings in the hu limits their use s return wheels in elevtor oots s mteril might uild up within the wheel groove. Higher lods cn e chieved with HEKO chin wheels type RUA nd RUU nd etter self-clening with wheels type RUU. Cst wheel rims re rittle nd lso susceptile to frctures cused y hevy knocks. Hus re lso ville in grey cst iron (ut without cut-out). Cst wheels re inexpensive nd cost effective for less rduous ppli - ctions. These chin wheels cn e used with verticlly nd horizontlly mounted shckles nd other types of ucket ttchments depending on the type of segment. Fitting instructions see pge / / / (12 SUR) / (12 SUR) / (12 SUR) / / / / / / / / / / / / / / / / / / / / / / / / / / / / / /42 136/ / /42 136/ / /42 136/ P.C.D./Tkø = pitch circle dimeter, d = dimeter, t = pitch HEKO 20

22 6.5 Toothless chin wheels, one piece, in grey cst iron, type GGB Tk ø c Figure 50: HEKO chin wheel type GGB, toothless, one piece, in grey cst iron, type GGB Suitle for low lods, predominntly return idling wheels Suitle for verticl ucket ttchments only Tle 18: Dimensions for toothless chin wheels, one piece, in grey cst iron, type GGB P.C.D. to suit chin shckle dimensions in mm weight chin wheel nominl dimeter pitch c kg/ech mm, Tkø d/mm t/mm pprox / / / / / / / / / / / / Toothless chin wheels type GGB re only suitle for pplictions with low lods nd for mteril with low rsiveness. These low cost wheels re more frequently fitted s return idlers on which the openings minimise product uild-up within the wheel grooves. The chin wheels hve chin guide. P.C.D./Tkø = pitch circle dimeter, d = dimeter, t = pitch 6.6 Toothless chin wheels with replcele steel rim segments type RUR Tk ø c The chin wheels cn e used s drive wheels s well s return wheels. Lrge relief slots prevent mteril uilt-up etween the chin wheel rims. The chin wheel hus re mnufctured from cron steel nd segments re fricted from CrMo lloy steel. On request the rim segments cn e het treted up to N/mm 2 for higher lods. Dimensions s per type RUU pge 19. Figure 51: Toothless chin wheel with replcele steel rim segments type RUR Fitting instructions see pge H E K O

23 6.7 Toothless chin wheels with replcele steel rim segments type RUP s s Tk ø d d c Suitle s drive nd idling wheel Suitle for verticl nd horizontl shckle ttchment Supplied with segments in 90 (qurters) or 180 (hlves) execution Suitle for hevy lod pplictions 90 segments cn e exchnged with chin resting on the wheel Figure 52: HEKO chin wheel type RUP with replcele steel rim segments Figure 53: Replcele 90 segment (qurter) for HEKO chin wheel type RUP Figure 52: HEKO chin wheel type RUP, toothless with replcele steel rim segments Figure 52: HEKO chin wheel type RUP I, toothless with replcele steel rim segments nd chin guide t one side Figure 52c: HEKO chin wheel type RUP II, toothless with replcele steel rim segments nd chin guide t oth sides. HEKO chin wheels Type RUP re supplied primrily with 90 segment to ese replcement, ut 180 segments my e supplied on request. Insted of cst iron, HEKO mnufc - tures the segments from CrMo lloy steel, which sustntilly increses the service life. Segments re normlly supplied with tensile strength of 700 to 800 N/mm 2, ut this cn e incresed, on request, y het tretment up to N/mm 2. Such tretment ensures good durility under extreme operting conditions. These chin wheels cn e used with verticlly nd horizontlly mounted shckles nd mny other types of ucket ttchments. The steel segments cn lso e retrofitted to cst iron or cst steel hus. The cut-outs in the hu minimise the chnce of mteril uild-up within the Fitting instructions see pge 34 wheel, which could otherwise led to chins coming off the wheels. All wheels re supplied with keywys or, on request, with tper lock ushes. In ddition the hus hve holes for spcer rs to djust for the correct chin centre distnce. Segments cn e supplied, on request, with chin guide t one or oth sides. However, experience hs shown tht such chin guides only required for return wheels. Tle 19: Dimensions for chin wheels type RUP, type RUP I, type RUP II P.C.D. to suit chin shckle ucket dimensions in mm numerof weight chin wheel nominl width c d s segments without dimeter echwheel chin guide mm, Tkø d/mm t/mm 90 Seg. kg/ech P.C.D./Tkø = pitch circle dimeter, d = dimeter, t = pitch, other dimensions nd executions on request HEKO 22

24 6.8 Toothless chin wheels, in steel with split hu, type RUG Tk ø Suitle s drive nd idling wheels For steel nd cst iron segments Cn e supplied to suit client s dimensionl requirements c Figure 54: HEKO toothless chin wheel type RUG, in steel, with split steel hu HEKO chin wheels type RUG re supplied with toothless steel segments. Such wheels hve the dvntge of eing ssemled to shfts lredy in position. 6.9 Bucket guide disc for toothless chin wheels, Type RUB e d g Figure 55: HEKO ucket guide disc type RUB mounted on toothless chin wheel f Tk ø Providing n dditionl ucket guide in the elevtor oot Discs cn e supplied in specil executions Tle 20: Dimensions for HEKO guide discs type RUB P.C.D. to suit shckle ucket dimensions in mm weight of chin chin, pitch width f e g kg/ech wheel chin di. up to pprox. mm, Tkø d/mm t/mm , , , P.C.D./Tkø = pitch circle dimeter, d = dimeter, t = pitch, other dimensions nd executions on request HEKO ucket guide discs re mnufctured from cron steel nd re olted to the outwrd fcing side of the chin wheel. Bucket guide discs re usully fitted to return idling wheels in the elevtor oot to restrict ucket movement, usully in pplictions where side forces on the uckets re expected. Such guide discs re n lterntive to fixed guide rils ttched to the side wll of the oot. We recommend tht elevtor inlets re designed to centrlise the feed into the ucket. Guide discs my e retrofitted to existing cst or steel wheels. Fitting instructions see pge H E K O

25 6.10 Chin wheels with pocket teeth, in steel, with replcele rim segments type GTA Tk ø c Suitle s drive wheels Excellent service life due to hrdened contct surfces Suitle for verticl ucket ttchments Figure 56: HEKO chin wheel type GTA, with replcele pocket teeth, welded hu HEKO drive wheels with pocket teeth type GTA re renown for their troule free operting chrcteristics nd long service life. The replcele toothed rims re mnufctured from lloy steel with teeth hrdened (contct res) to reduce wer. These wheels cn e used with verticl shckle nd other types of ttchments. Wheels re supplied with keywy or tper lock ushes, the ltter on request. In ddition the hus hve holes for spcer rs to djust for the correct chin centre distnce. Toothed wheels re fitted to eliminte chin slip, usully cused when toothless wheels provide insufficient friction grip, i.e. short shft centres. Tle 21: Dimensions for chin wheels type GTA P.C.D. to suit chin DIN numer dimensions in mm weight chin wheel nominl dimeter of c kg/ech mm, Tkø x pitch, d x t/mm teeth pprox x x x x x x x x x x x P.C.D./Tkø = pitch circle dimeter, d = dimeter, t = pitch, other dimensions nd executions on request. Also ville for chins s per DIN 766 nd other stndrds. The chin pitch must e equl to the shckle pitch. HEKO 24 Fitting instructions see pge 34

26 6.11 Chin wheels with projecting teeth, in steel, with replcele rim segments, type GIA Tk ø c Figure 57: Chin wheel type GIA, with replcele projecting teeth, welded hu. Suitle s drive wheels for medium duty pplictions Excellent service life due to hrdened contct surfces Suitle for horizontl ucket ttchments Tle 22: Dimensions for chin wheels Typ GIA with replcele projecting teeth nd welded hu P.C.D. to suit chin DIN numer dimensions in mm weight chin wheel nominl dimeter of teeth c kg/ech mm, TK ø x pitch, d x t/mm pprox x x x 50 WN x x 64 WN x x 75 WN x x 86 WN x x x 100 WN HEKO drive chin wheels type GIA, with projecting teeth, re selfclening nd re idel for use with sticky nd compcting mterils, s the teeth push out ny product lodged within the chin links. Type GIA hs een designed for light nd medium duty. The replcele toothed rims re mnufctured from lloy steel with teeth hrdened (contct res) to reduce wer. These wheels cn e used with horizontl shckles nd most other types of ttchments. Wheels re supplied with keywy or tper lock ushes, the ltter on request. In ddition the hus hve holes for spcer rs to djust for the correct chin centre distnce. Toothed wheels re fitted to eliminte chin slip, usully cused when toothless wheels provide insufficient friction grip, i.e. short shft centres. P:C:D:/Tkø = pitch circle dimeter, d = dimeter, t = pitch, WN = works stndrd, other dimensions nd executions on request. Also ville for chins s per other stndrds. The chin pitch must e equl to the shckle pitch. Fitting instructions see pge H E K O

27 6.12 Chin wheels with projecting teeth, in steel, with replcele rim segments, type GIA-3 Tk ø c Suitle s drive wheels for hevy duty pplictions Excellent service life due to hrdened contct surfces Suitle for horizontl ucket ttchments Sprockets consisting of 3 prts HEKO drive chin wheels, type GIA-3, with projecting teeth, re self-clening nd re idel for use with sticky nd compcting mterils s the teeth push out ny product lodged within the chin links. Type GIA-3 hs een designed for hevy duty nd demnding pplictions. The replcele toothed rims nd lso the outer rim segments re mnufctured from lloy steel, teeth with hrdened contct res to reduce wer. These wheels cn e used with horizontl shckle nd most other types of ttchments. Wheels re supplied with keywy or tper lock ushes, the ltter on request. In ddition the hus hve holes for spcer rs to djust for the correct chin centre distnce. Toothed wheels re fitted to eliminte chin slip, usully cused when toothless wheels provide insufficient friction grip, i.e. short shft centres. Fitting instructions see pge 34 Figure 58: HEKO chin wheels with projecting teeth (inside toothed), in steel, with replcele rim segments, type GIA-3 Tle 23: Dimensions for chin wheels type GIA-3 P.C.D. to suit chin DIN numer dimensions in mm weight chin wheel nominl dimeter of teeth c kg/ech mm, Tkø x pitch, d x t/mm pprox x x 75 WN x x 86 WN x x x 100 WN x x 120 WN x 136 WN x x x P.C.D./Tkø = pitch circle dimeter, d = dimeter, t = pitch, WN = works stndrd, other dimensions nd executions on request. Also ville for chins s per other stndrds. The chin pitch must e equl to the shckle pitch. HEKO 26

28 6.13 Chin wheels with projecting teeth, in steel, with individully replcele teeth type RIS nd return wheels type BS Tk ø Figure 59: HEKO chin wheel type RIS, with replcele projecting teeth Suitle s drive wheels Replcele fricted indi - vidul teeth, forged or cst Suitle for endless chin strnds with plug-in ucket ttchments Tle 24: Dimensions for chin wheels type RIS with replcele projecting teeth nd chins to works stndrd P.C.D. of to suit chin numer dimensions in mm weight chin wheel nominl dimeter of teeth c kg/ech mm, Tkø x pitch, d x t/mm pprox x x x x x x x x Chin wheels with replcele teeth re recommended for ucket elevtors fitted with plug-in ttchments type ST. Individul teeth cn lso e supplied s replcement for fitting to existing hus, or for chins with lrger or different pitches to those listed. Comptile return wheels with ucket guide discs re mnufctured from lloy steel. Dimeter of guide discs pprov. 400 mm igger thn outside dimeter of roller (up to 1010 mm roller dimeter) 500 mm for roller over 1110 mm dimeter. Fitting instructions see pge 34 P.C.D./Tkø = pitch circle dimeter, d = dimeter, t = pitch, WN = works stndrd, other dimensions nd executions on request. Tle 25: HEKO return wheel type BS, with replcele guide discs thred dimensions in mm weight dimeter c kg/ech mm pprox Figure 60: HEKO return wheel type BS, with replcele ucket guide discs from lloy steel c 27 H E K O

29 6.14 Chin wheel overview Replcele toothless nd toothed segments ensure fst nd cost effec - tive replcement of worn prts. Shft nd drive removl is unnecessry. Shut-down time is therefore mini - mised. Wheel segments, teeth nd hus cn e produced from specil mterils, such s stinless steel, HARDOX, etc., on request. Mtching of chin nd wheel in our workshop will ensure smooth plnt opertion. When replcing worn chins, excess wer of retined components should e voided nd we recommend tht oth chins nd wheels, especilly toothed wheels, re chnged t the sme time. Detiled mnufcture of chin wheels my vry from those illustrted in the ctlogue, drwing of the ctul wheel cn e provided. Wheel tolernces re to DIN Chin wheels cn e supplied pilot ored, finish ored nd with stndrd or espoke hu dimeter nd length. Toothless drive wheels trnsport the chin y friction grip, whilst toothed wheels trnsport the chin y eng - gement with the tooth. Chin wer is in direct reltion to the movement of the link contct res. The lrger the Telle 26: Üersicht der HEKO Kettenräder wheel type RUH RUHS RUA RUU SUR description see pge mchined segments x x x fricted toothed rim iprojecting teeth (inside toothed) pocket teeth toothless x x x x x replcele toothed rim replcele segments x x x x x steel toothed rims nd segments x x chilled cst iron segments x core mde of grey cst iron/steel x x chmfered drop-out openings for sticky products (self-clening) tpered chin slots (self-clening effect) X X drop-out slots for mteril x x x x lrge mteril drop-out openings x suitle for horizontl shckle to type DIN/TS/S x x x x x suitle for verticl shckle to type DIN/TS/S x x x x x suitle for horizontl chin locks type B/D/E x x x x x suitle for verticl chin locks type B/D/E x x x x x suitle for plug-in ucket connector type ST X X suitle for chin wire dimeters from to (mm) mm 13-39mm 10-42mm 10-42mm 13-42mm suitle for chin to DIN 764 x x x x x suitle for chin to DIN 766 x x x x x suitle for chins to works stndrd x x x x x suitle for chins in specil executions x x x x x stinless steel or other mterils to suit client X X steel hu x x x x x cst iron hu x x x wheels completely mde from specil lloy steel X X cst iron wheels recommended s drive wheels x x x x recommended s return wheel x x x x x recommended s snu wheel x x x x keywy to DIN x x x x x keywys in specil executions or tper lock ush x x x x x suitle s loose wheel x x x x x inclusive of gru screw centrl to keywy X X X X X segments encsed in plstic x x corrosion protection pint x x x x x stndrd, X specil HEKO 28

30 P.C.D., the smller the movement nd therefore the smller the wer. Also smller shft centres increse the movement nd thus chin wer. Toothless chin wheels increse the service time of chins. KS KSE GGB RUR RUP RUG GTA GIA GIA-3 RIS x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x X X X X X x x x x x x x x x x x x x x x x x x x x x X x x x x x x x x x x X x x x 13-36mm 13-36mm 13-36mm 10-42mm 16-36mm 16-42mm 10-42mm 10-26mm 10-42mm 14-38mm x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x X X X X X X X x x x x x x x x x x x X X X X X X X x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x X X X X X X X X X X x x x x x x x x x 29 H E K O

31 7.0 HEKO elements for ucket elevetors 7.1 Mintennce-free erings for ucket elevtors nd other conveyors HEKO erings hve the dvntge of eing le to e fitted inside the elevtor oot. These erings operte successfully with mny dry or moist products, including rsive products, ut my lso e used sumerged in wter. H The CrNi steel ering ush, which forms the shft liner, is secured to the shft y screw. The ush runs inside the ering housing without luriction. The ering housing, mnufctured from specil cst lloy steel, is fixed to the tensioning device y four olts. Dust sels etc. re not required. A G I F D E C Figure 61: HEKO ering housing with ush B A Figure 62: HEKO ering housing Tle 27: Dimensions of HEKO ering locks for ucket elevtors type A B C D E F G H I LGH LGH A B C D E Tle 28: Dimensions for HEKO ering ushes type A B* C D E F mx U/min lod** mx** F LGH , kg LGH ,2 74, kg LGH ,4 87, , kg LGH , , kg Figure 63: HEKO ering ush *Other dimensions on request **Depending on conveying mteril nd equipment. 7.2 Drive nd return wheel shfts Figure 64: Assemled HEKO wheel shft Precision mchined shfts cn e supplied mnufctured from cron steel, CrMo-steel or CrNiMo-steel, including tempered for higher lods. Shft cn, on request undergo ultrsonic testing efore disptch. Shft dimensions to suit client. HEKO 30

32 7.3 Return nd tensioning unit for ucket elevtors E D level indicter weight ox TK ø B e W A C min/c mx Figure 65: Drwing of return nd tensioning unit. Picture right corner: Assemly of HEKO return unit. For new nd existing elevtors 160 to 1600mm ucket width Miniml mintennce due to utomtic self-tensioning nd mintennce free erings No dust emission due to internl erings The return nd tensioning unit is completely encsed inside the elevtor oot, thus preventing dust emission. The shft is supported y minte - nnce free, dry, erings, the ltter mnufctured from lloy steel. HEKO s return nd tensioning unit is designed for esy ccess to replce worn prts, thus minimising downtime. All stndrd units, type I, II & III, for new elevtors, s well s units in specil executions for existing elevtors. HEKO lso provide conversions for prolem elt nd ucket elevtors, s frequently experienced in cement grinding plnts. Conversion time cn e minimised s the return nd idling unit cn e supplied pre-ssemled. The return nd idling unit includes the wheels with replcele steel segments, shft, erings, slide rils nd crrige, weight ox, mounting frmes for welding to the oot wlls nd lrge olted ccess door ech side. The self-weight of the wheels, shft nd erings is normlly sufficient to provide dequte chin tension. However, elevtors with short shft centres my require dditionl weights to e plced into the weight ox of the return nd tensioning unit. Tle 29: Dimensions for HEKO return nd tensioning unit type I Width Type A B Cmin/Cmx D E P.C.D. W e 315 DIN / HL / DIN / HL / DIN / HL / DIN / Dimensions for HEKO return nd tensioning unit type II Width Type A B Cmin/Cmx D E P.C.D. W e 630 DIN / HL / DIN / HL / DIN / HL / Dimensions for HEKO return nd tensioning unit type III Width Type A B Cmin/Cmx D E P.C.D. W e 1600 DIN / HL / DIN / DIN / HL / DIN / HL / DIN / HL / H E K O

33 8.0 Exmple of ucket elevtor sizing Tle 30: Bucket elevtor clcultion Customer: Customer s ref.: Bucket elevtor dt: Automtic clcultion: C required hndling rte Q [t/h] 350 A V [m 3 /h] 259 C required shft centres A [m] 35 C product cement C ulk density lv [kg/m 3 ] 1350 C moisture [%] 10% C temperture T [ C] 100 S ucket mteril St. 37 A mx. hndling rte Q T [t/h] 585 ulk density A VT [m 3 /h] 433 A est. power sored [kw] 54,56 t req. hndling rte A est. power sored 91,13 t mx.hndling rte S req. motor power P [kw] A drive wheel speed [rpm] 19,87 S chin speed v [m/s] 1,3 A ucket filling degree t req.hndling rte ρ [%] 59,86 A ucket distnce B [mm] 630 used formuls for clcultion Q 350 V = = = 259 m 3 /h Iv 1, Iv Bi v ,35 58,3 1,3 Q T = = = 585 t/h B 630 Q T 585 V T = = = 433 m 3 /Std. Iv 1,35 Q B ρ = = = 59,86 % 3600 Bi Iv v ,3 1,35 1,3 B = n t + Bt = = 630 mm Chin wheels S drive wheel P.C.D.: Tkø [mm] 1250 S return wheel P.C.D.: Tkø [mm] 1250 weight return wheel RG [kg/pc.] 630 S chin wheel type drive S chin wheel type return HEKO type RUA HEKO type RUUI Buckets A clculted no. of uckets nb 117,3 S ctul no. of uckets nb e 118 S ucket size B [mm] 1000 x 355 x 6 S DIN/type/drwing DIN S ucket content Bi [litre] 58,3 S ucket weight Bg [kg] 53 Chin size nd ttchments S chin wire size [mm] 30 S chin pitch t [mm] 105 S no. of links n 5 S chin type/din DIN 764 S chin Qulity HEKO 400 E S min. reking lod MBL [kn] 565 S ttchment size/pitch Bt [mm] 105 S weight totl KG [kg/m] 22,5 chin strnd A effective strnd length L e [m] 74,340 A clculted strnd length L 73,925 A clculted shft centres AT [m] 35,21 A mx. chin lod P [kn] 49,54 t req. hndling rte A mx. chin lod [kn] 58,68 t 100% full uckets A sfety fctor 11,18 t req. hndling rte A sfety fctor 9,63 t 100% full uckets totl ded weight [kg] 2520 on return wheels C = customers informtion, S = recommendtion HEKO, A = utomtic clcultion nb = L/B = 73,925/0,63 = 117,3 L e = nb e B L = = 118 0,63 = 74,34 m 2 A + (Tkø Pi) = (1,25 3,1415) = 73,925 m L e - (Tkø Pi) 74,34 - (1,25 3,1415) AT = = = 35,21 m 2 2 effective lengths of chin strnd weight of chin strnd + effective no. of uckets (ucket weight + ucket contents ulk density ucket filling) degree/2 + 4 weight return wheel = totl lod 2 strnds (kg) lod 1 strnd (F) = totl lod 2 strnds / 2 (kg) MBK S = = = 11,18 F 5049,65 The sfety fctor must e min. 8 for ucket elevtors. At sfety fctor of more thn 15 it my e more economic to use different chin qulity or size. HEKO 32

34 Bulk Densities: kg/m 3 Ash, dry Asphlt 700 Buxite Chrome ore 2000 Dolomite, crushed Iron ore Flysh, dry Gypsum Gypsum, dry Glss Grnite Limestone, hydrted 1200 Limestone, clcined 900 Limestone, crushedd Grvel nd snd, wet Col 800 Phosphte 2000 Qurtz Snd, dry Slg snd 900 Stones under 100 mm Cement, clinker Cement, rw mel Cement, dry Sugr-Beet 600 Technicl Detils V = speed = P.C.D. /60 [m/s] Hu mx. = P.C.D. - ( + 2 di.)[mm] Length of hu NL = Bore 1,20 [mm] Di. of hu c. = Bore 1,65 [mm] P.C.D. = t/s {s = sin (90/no. of teeth)} [mm] 9.0 Generl technicl informtion Chin Assemly: HEKO supply chin ends with 5,7,9 or more links, long chin strnds nd endless chin strnds pre-ssemled with TS-shckles. Chin ends: Chins ends re lwys supplied s mtched pirs. Bundles re tied together with coloured wire, colour depending on chin qulity s follows: HEKO 280E white HEKO 21 yellow HEKO 210E lck HEKO 400E green HEKO 5 red HEKO 350E lue Wire should not e removed until directly efore commencing ssemly nd chin ends of ech pir must e ssemled next to ech other to void chin mislignment. Chins should e ssemled with the welds pointing towrds the shft centre. Long chin strnds nd endless chin strnds pre-ssemled with TS-shckle: Long chins strnds, mx. length up to 400kg per length. Long chin strnds nd endless chin strnds will e supplied in mtched pirs to void mislignment. One end of ech strnd is colour coded. Coloured links of ech strnd must e ssemled next to ech other, colours will e dvised in the delivery note. Generl Chin ends fitted with DIN or similr D-shckles require the uckets to e fitted efore lifting into the housing to minimise the risk of hirline crcks forming in the shckle. Chin ssemlies with the TS-shckle system, or long chin strnds my e lifted into housing nd fitted without uckets without incurring the risk of crcks, the ltter my e fitted fter the chins hve een mde endless. Pre-ssemly of internl components sustntilly reduces downtime for rechining. Accurte lignment of drive nd idling wheels, prllel drive nd idling shfts nd correct chin centres re essentil for troule-free opertion. Chin tension should e dequte to ensure free, low noise chin movement. Noise, which my rise from the ruing together of two steel surfces nd resonnt frequencies re often cused y excess chin tension. Proper chin tension must e ssured t ll times y employing n efficient, preferly, self-tensioning device. Shortening of chin Should it e necessry to shorten the chin, only complete pir of chin ends, with equl numer of links, should e removed. Removing links from long chin strnds my e crried out y cold cutting, using cutting disc. As individul chin links my hve different tolernces, some mislignment should e expected when removing individul links. Heting the chin or welding should e voided. HEKO will e plesed to dvise. Mintennce/Wer Mesurement: All conveyor prts which my e suject to wer (wheels, chins, ucket ttchments, chin locks) should e checked regulrly for wer or dmge. Chin contct surfces re suject to norml wer, the extent of which depends on chin qulity, numer of link movements, contct lod nd mteril hndled. Wer in the contct res reduces the chin thickness nd thus hs direct reltionship to service life. Luriction, for exmple with oil, or incresed moisture content in the product increses wer, especilly with rsive mterils. Wheel scrpers nd other devices tht clen the wheel grooves reduce wer. Chins, wheels nd ucket ttchments should e checked thoroughly following n overlod condition. Chins nd chin wheels, or wheel rims, especilly toothed wheels, should lwys e replced t the sme time. Generlly we recommend replcement of the chin when 75% of the hrdening depth is worn nd less when toothed wheels re fitted. Dmged or distorted uckets ffect the chin centres, cusing contct etween the wheel grove, chin nd shckle nd resulting in premture chin/shckle filure. Such uckets must e replced or corrected s soon s possile. Nuts, securing the uckets should lso e checked regulrly nd re-tightened s necessry. Opertionl Informtion Centrl feed is essentil for voiding uneven ucket filling nd uneven wer etween the two chin strnds. If feed conveyors pproch the ele - vtor inlet t 900, corrective mesures re recommended y use of deflctors, swept inlet or convex inlet floor. Elevtor uckets must e fitted completely horizontlly. Bucket ttchment nuts should e tightened using torque spnner, idelly when resting on the drive wheels to ensure tht correct chin centres re mintined. After pprox. 2 weeks opertion, ll nuts should e re-tightened. We recommend the use of sfety discs or self-locking nuts to secure the ucket. Loose uckets could led to shering of ttchment olts, nd, when using DIN type shckle, to premture frc - tures due to ftigue. 33 H E K O

35 Tle 31: Recommended torque setting For hexgon nuts to DIN 555 grde 5 For hexgon nuts to DIN 934 grde 8 For self-locking steel nuts to DIN 980V grde 8 M10 M12 M14 M 16 M 20 M 24 M 30 M Nm 52 Nm 83 Nm 127 Nm 245 Nm 420 Nm 847 Nm 1480 Nm M10 M12 M 14 M 16 M 20 M 24 M 30 M Nm 89 Nm 140 Nm 213 Nm 420 Nm 725 Nm 1451 Nm 2531 Nm M10 M12 M 14 M 16 M 20 M 24 M 30 M Nm 95 Nm 149 Nm 225 Nm 439 Nm 752 Nm 1487 Nm 2575 Nm voided enling higher lods to e ccommodted or the shft size reduced. Figure 66: Assemly instruction Assemly of one-piece chin wheels. (see Figure 66) Unless otherwise instructed y clients, keywys will e cut in pir of wheels centrl to oth teeth. Chin wheels elonging together will e given the sme numer so tht mistkes re voided even with lrge numer of wheels. Ech pir of wheels will e mrked with the sme numer sequence. Figure 67: Assemly instruction Assemly for chin wheels with replcele sprockets/rim segments (see Figure 67) Unless otherwise instructed y clients, keywys will e cut in pir of wheels centrl to oth teeth. Chin wheels elonging together will e given the sme numer so tht mistkes re voided even with lrge numer of wheels. Ech pir of wheels will e mrked with the sme numer sequence. Ech prt of the wheel with replce - le segments will e mrked with n dditionl numer to ensure tht re-fitting is in the correct sequence. Segments cn e exchnged with chins still in plce. Generl Severl options for locting the wheels to the shft re ville. Gru screws, or locting rings with groove to DIN6885/1 or similr nd keywyed, to DIN6887 or similr, or tper lock ushes re used for stepped shfts. Spcer rs Spcer rs, in the form of threded rods, simplifies xil djustment of the chin wheels to chieve nd mintin the correct chin centres. Once locked, oth wheels cn e moved together on the shft for correcting the verticl lignment etween drive nd idling wheels. Individul teeth The holding disc must e loosened nd moved wy from the hu when chnging teeth. Teeth re exchnged in the no-lod re (i.e. not in contct with the chin). Bolts must initilly e tightened y hnd only. Once ll teeth hve een fitted, olts should e fitted when in the upper position, using torque wrench set to the torque recommended y HEKO. (tle 30) Shkles type DIN 745/5699 DIN 745 hs een replced y DIN 5699, the ltter eing stronger shckle. When exchnging DIN 745 with shckles to DIN 5699 or TS- Shckle, it should e noted tht while the pitch is the sme, the olt dimeter for pitch sizes 45, 56, 136 differ nd require lrger holes. Also dimension is different which cn usully e ccommodted y djusting the through-of plte t the outlet. HEKO 34 Figure 68: Pre-ssemled HEKO Return nd Tensioning unit, complete with segmented rims nd spcer rs. Tper lock ushes Both toothless nd toothed chin wheels re more esily locted y use of tper lock ushes. Wekening of the drive shft y keywys is