EGAPOWER
INDE Introduction to egapower belts 2 egapower belt system specifications 3 Classifications 4 Power transmission calculation procedure 6 Calculation parameters 8 Belt calculation example 9 Belt installation Causes of belt failure 11 Belt data L L 13 L H T2,5 T5 T5DL 17 T TDL AT5 19 AT egapower feasibility table 21 Coatings and cover properties Special executions 23 Special executions photos Pulleys and timing bars Useful formulas and conversion table
INTRODUCTION TO EGAPOWER BELTS EGADYNE began manufacturing transmission belts in 1957 and moulding EGAPOWER belts in 1975. EGAPOWER timing belts are manufactured in thermoset polyurethane by a unique moulding process. The thermoset polyurethane gives superior wear and abrasion resistance. Several type of cords, helically wound rolled up inside the belts, assure excellent dimensional stability and offer high performances in terms of flexibility and traction resistance. EGAPOWER belts are particularly suitable for power transmission applications. EGAPOWER USE ADVANTAGES EGAPOWER timing belt drives represent a modern and efficient system of power transmission. They combine the advantages and properties of geared drives with those of Vee and Flat belts whilst eliminating the troubles typical of each of these types of transmission. EGAPOWER drives allow: synchronous transmission constant and high angular speed excellent mechanical performance dimensional stability low noise low installation tension... minimum drive dimensions... omega drive configuration... customised belt engineering EGAPOWER APPLICATION AREAS Thanks to their features, egapower belts can be successfully used in a wide range of applications such as: computers tape movement office automation equipment medical equipment packaging machinery motor vehicles swimming pool cleaning robots plotters money changers optical instruments robotic arms electric appliances shower manual controls vacuum systems vending machines food machinery textile machinery leisure and doityourself equipment 2
EGAPOWER BELT SYSTE SPECIFICATIONS To satisfy a wide range of loads, speeds and applications, EGAPOWER belts and pulleys are made in a selection of sizes, capacities and dimensions. The three most significant dimensions of a belt are: pitch pitch length width 1) Pitch is the distance in millimetres between two adjacent teeth centers as measured on the pitch line of the belt; the theoretical pitch line of a EGAPOWER belt lies within the tensile member. It is indicated with abbreviations like T5, AT5, T, AT, H. The correspondence between abbreviations and pitches are indicated in the products pages. 2) Pitch length is the total length (circumference) in millimetres as measured along the pitch line. On the pulley, the pitch line identifies the primitive diameter. The primitive diameters of the driver (d 1 ) and driven (d 2 ) pulleys are the ones to be used for calculating the transmission ratio i = d 2 d 1 3) Width can vary depending on driving system needs. Belt pitch Reference dimensions The imperial pitch belts follow ISO 52961 normative. The T series driving systems follow the normative DIN77211. The ISO normative for AT series driving systems is under construction. A belt is constituted by two components: the body in POLYURETHANE and a tension member represented by the CORDS in steel, fiberglass, polyester and Kevlar. STANDARD RANGE L L L H T2,5 T5 T T5DL TDL AT5 AT 3
CLASSIFICATIONS CLASSIFICATIONS egapower Timing Belts are manufactured in thermoset polyurethane, with helically wound zinked steel. This type of belts, developed by our Research & velopment, offers good running characteristics and high traction loads. They are especially suited for power transmission. An extra thickness of special coating is also possible on the back of the belt offering extra protection against aggressive or heavy products. 1) The body of the belts is grey/green thermoset polyurethane 88 ShA, characterized by high levels of wear resistance even in the presence of shock and surge loading. The thermoset polyurethane is obtained by mixing a prepolymer with a bonding compound and heating the mixture. After cooling down to ambient temperature, the result is a polyurethane with good chemical and mechanical characteristics giving the belt high performances and long lifetime. 2) High strength helically wound zinked steel tension members allow high breaking load and extremely low elongation. The combination of these high grade materials improves belt performances which can be summarised as follows: exceptional resistance to abrasion and tooth shear low coefficient of friction 1 2 high flexibility ozone and temperature resistance (25 C / +80 C) oil, grease and gasoline resistance ECHANICAL AND CHEICAL CHARACTERISTICS Constant dimensions Low pretension Noiseless Constant length Free maintenance High abrasion resistance High flexibility Ageing, Hydrolysis, Ozone resistant High resistance steel traction cords, Working temperature 25 C / +80 C with little stretching and top flexibility High resistance to Oils, Greases and Gasoline Linear speeds up to 70 m/s Fairly Acidproof and Alkaliproof BODY egapower belts are manufactured with grey/green thermoset polyurethane 88 ShA as standard. Special compounds (different hardnesses, special properties) are available on request. Here under some PU characteristics: Water Acids Alkalis Solvents Oils Greases Fuels icroorganisms No problem in normal or sea clean water, at room temperature. Over ºC there is a fast decrease of breaking strength. In acids diluted proportions, at room temperature, this PU is moderately attached. In high concentration acid solutions, this PU has a very short lifespan. Over 50 ºC, acids are always dangerous for thermoset PU. In alkalis diluted proportions, at room temperature, this PU is moderately attached. In high concentration alkaline solutions, this PU has a very short lifespan. Thermoset PU is insoluble in the greater part of solvents. Only the very polar solvents (same as tetrahydrofuran, dimethylformamide, nmethylpyrrolidone) can dissolve or tight damage PU. The esters or the ketons (same as ethylacetate or methylethylketene) can usually produce a bulge, decreasing mechanical characteristics. The aromatic hydrocarbons and the aliphatic hydrocarbons produce very high bulge. PU has a high resistance to mineral pure oils (lubrificants, engine oils, combustible oils). Usually, high performance syntetic oils, due to special addictives contained, can be incompatible with thermoset PU, especially at high temperature. PU has a high resistance to pure mineral greases (lubrificants greases). Usually, high performance syntetic greases, due to special addictives contained, can be incompatible with thermoset PU, especially at high temperature. Good resistance to petrol without alcohols. In presence of alcohols, thermoset PU can suffer deterioration. Fuels including aromatic stuffs can produce reversible bulges. In presence of grime, containing humidity, microorganisms can develop. In case that microbic attack can produce danger, you have to use a special kind of PU. 4
CLASSIFICATIONS CORDS Standard cord...egapower is manufactured with helicoidal zinked steel cords as standard. Kevlar...Kevlar tension cords are suggested for non magnetic, precisely for use in drives with metal...detectors, and they also are widely used in food industry. HP...High performance cords have 25% more strength capacity than standard cords. They are...recommended for high repeatability applications. HF...High flexibility cords can accept smaller pulley and idler diameters than standard cords. They are...suitable for multishaft drives with severe reverse bending. HPF...High performance and flexibility cords have 25% more strength capacity like the HP cords, but...they are more flexible than the HP cords. They are suggested for high performance and multishaft...drives. Stainless steel...stainless steel cords have 25% less strength capacity than standard cords. They are recommended...for water applications. Fiberglass and...they combine particular mechanical characteristics, such as high flexibility, with resistance to water, polyester cord...wet and humid environments. Special compound and cords have to be tested and homologated on application. egadyne is not responsable for wrong functioning of special products. COATING egapower belts can be manufactured with special coatings, in order to fit many application with different requirements. For feasability see table at page 21 and for properties see page. IDENTIFICATION CODE Using the information in the table below, it is possible to identify the correct belt for every application. The code is composed of letters and numbers as the following example: 1 2 3 4 5 6 PW + 50 + AT + + 00 + SPECIAL ANUFACTURES 1) PW egapower timing belt. 2) 50 This number indicates the width of requested belt. The value is in mm for a belt with a pitch in mm, and in inches for a belt with a pitch in inches. 3) AT This code composed by letters indicates the selection of profile. 4) This number indicates the standard pitch of the belt. It is expressed in mm. 5) 00 The last number indicates the length of the belt always in mm regardless of pitch. 6) SPECIAL ANUFACTURES: special cords as Kevlar or HP or HF or HPF or stainless steel or fiberglass or polyester special compound as different hardness or different colours extra coating 5
POWER TRANSISSION CALCULATION PROCEDURE a n 2 V n 2 t ß z 1 z 2 F p c F u r 2 d 2 Symbol Unit finition Symbol Unit finition t mm pitch F U N transmittable force b mm belt width F P N pretension L w mm belt length i speed ratio c mm center distance n 1, n 2 RP speed of driver/ driven pulley ß arc of contact d 1, d 2 mm pitch diameter of driver/ driven pulley C 1, C 2, C 3, C TOT safety factors z 1, z 2 no. of teeth of driver/ driven pulley P kw power z m no. of teeth in mesh P R kw/cm transmittable power each cm of tooth in mesh t a Nm m/s 2 drive torque acceleration DETERINATION OF BELT PITCH The belt pitch can be determined with the belt selection chart at page 8 (for new applications we suggest AT profiles), referring to the speed of the small pulley. DETERINATION OF SPEED RATIO The speed ratio represents the ratio of pulley speed n 1 to n 2, or pulley pitch diameter d 2 to d 1 or of number of teeth z 2 to z 1. z i = 1 = z 2 = 2 n 1 2 d 1 z 1 SELECTION OF REQUIRED TIING PULLEYS For the selection of the needed timing pulleys see belt data pages and pulleys catalogue. CALCULATION OF REQUIRED BELT LENGTH The belt length can be determined replacing your values in the following formula: n 1 d 2 ß t ß L w [mm]= 2 c sin + z 1 +z 2 + 1 (z 2 2 0 2 z 1 ) where ß= 2 arccos t (z 2 z 1 ) 2 c 6
POWER TRANSISSION CALCULATION PROCEDURE The actual belt length is to be taken from those available in the table (see belt page), the closest to the calculated L w. CALCULATION OF CENTER DISTANCE The approximate center distance can be determined replacing your values in the following formula: 1 t c= L w ( z 1 + z 2 ) + 4 2 2 t L w (z 1 +z 2 ) 2 2 t ( z 1 z 2 ) 2 CHOICE OF SAFETY FACTOR The total safety factor C TOT is the correction coefficient for the power (to be transmitted) to obtain the design power. C TOT =C 1 +C 2 +C 3 C 1 is the Acceleration Factor, used when the inverse of speed ratio i is > 4 1/i 1,00 4 5 1,74 1,75 2,49 2,50 3,49 >3,50 C 1 0 0,1 0,2 0,3 0,4 C 2 is the Service Factor depending on the number of the operational hours per day (operation time) h/day 8 Intermittent Seasonal C 2 0 +0,1 +0,2 0,1 0,1 C 3 is the Load Factor depending on the type of driver used by internal transmission of the driven machine. For C 3 values see the table 1 at page 8. DETERINATION OF NUBER OF TEETH IN ESH The number of the teeth in mesh can be determined replacing your values in the following formula: z m = z 1 ß 3 If calculated z m is above, consider z m = (maximum number of teeth in mesh) DETERINATION OF BELT WIDTH The belt width is calculated using the transmittable power P R per tooth in mesh and per cm belt width (see table at belt page). b[mm]= P C TOT P R z m 7
CALCULATION PARAETERS BELT SELECTION CHART Table 1 Load Factor C 3 Driven achine Office machinery Typewriters Computers, printers Teleprinters, photocopiers otionpicture projectors and cameras Domestic machinery Centrifuges Kitchen appliances, universal slicers Sewing machines Domestic sewing machines Industrial sewing machines Laundry machinery Driers Washing machines Bakery machinery and dough mixers Conveyors Lightduty belt conveyors Belt conveyor for ore, coal, sand Heavy duty conveyors Elevators, screw conveyors Bucket elevators Agitators ixers for liquids ixers for semiliquids achine tools Lathes Drills and grinders illers and planers Woodworking machinery Lathes and band saws Planers and disk saws Driver Type A Type B Type C 1 1,1 1,1 1 1 1,1 1,1 1,1 1,3 1,3 1,3 Sawmill machinery Brick machinery ixers Pug mills Textile machinery Spoolers and warping machines Spinning and twisting machines Paper machinery Agitators, calenders, driers Pumps, beaters, pulpers Printing machinery Linotype machines, cutters, folders Rotary presses Screens Drum screens Vibrating screens Fans, Blowers Exhauster, radial blowers ine ventilators, axial blowers Compressors Helical compressors Piston compressors Pumps Centrifugal and gear pumps Reciprocating pumps Generators and exciters Elevators and hoists Centrifuges Rubber machinery ills Hammer mills Ball, roller and gravel mills Type A: electric motors with low starting torque (up to 1,5 times the rated torque). Type B: electric motors with normal starting torque (1,5 to 2,5 times the rated torque). Type C: electric motors with high starting and breaking torque (over 2,5 times the related torque). 1,1 1,1 1,3 1,5 1,5 1,5 1,3 1,3 1,3 1,3 1,3 1,8 1,3 1,8 1,8 1,8 1,7 1,7 1,7 1,5 Driven achine Driver Type A Type B Type C 1,8 1,3 1,3 1,3 1,7 1,5 1,5 1,5 1,7 1,8 1,5 1,5 1,5 1,8 1,5 1,8 1,9 1,7 1,7 1,7 1,9 1,8 2 1,7 1,8 1,7 1,7 1,8 2 2 2,1 1,8 1,8 1,9 1,9 1,9 2,1 8
BELT CALCULATION EAPLE DRIVER DATA electric motor P=2kW n=00rp Low starting torque a n 2 V n 2 t ACHINE DATA Wood working machine N=900RP ax diameter driven pulley 1mm c=0mm ß z 1 c F u z 2 r 2 F p d 2 DETERINATION OF BELT PITCH According Belt selection chart at page 8, considering values of P=2kW and n=00rp, it is possible to choose T5 AT5 L T or AT. We choose T. DETERINATION OF SPEED RATIO i=n 1 /n 2 = 00/900= 3.33 i = n 1 = 00 = 3.33 n 2 900 SELECTION OF REQUIRED TIING PULLEYS According page we choose z 2 = d 2 =8.mm d 1 = d 2 i = 8. 3.33 Actual speed ratio = 32.54mm and from page we choose pulley diameter is for z 1 = i = z 2 z 1 = = 3 CALCULATION OF REQUIRED BELT LENGTH ß=6 and L=845mm From page, closest length to calculates is L W = 850mm. CALCULATION OF CENTER DISTANCE The approximate center distance: c=2.6mm CHOICE OF SAFETY FACTOR From table page 7, we select C 1 =0.3 c 2 =0 From Table page 8, we select C 3 =1.2 So C TOT = 1.5 DETERINATION OF NUBER OF TEETH IN ESH The number of the teeth in mesh can be determined replacing your values in the following formula: DETERINATION OF BELT WIDTH From page, for z= and n=00 P R =0.7kW so From page, closest width is 50mm z m =z*ß/3=5 = z*ß = 5 3 b = P*C TOT * P R *z m = 47.mm The choice for transmission is belt 50 T 850, driver pulley 56T and driven pulley 56 T 9
BELT INSTALLATION For a correct system functioning and to increase belt life, it is necessary a correct pulley installation: pulleys has to be parallel and aligned as shown in drawing 1 (correct configuration). If pulleys are not parallel as in drawing 2, belt could fall during functioning and this can provoke damages to complete equipment. To grant a correct belt running, and x must be as smaller as possible. For more information, please contact our technical staff. Drawing 1 Drawing 2 Drawing 3 CALCULATION OF PRETENSION FORCE F P The pretension force is the load which has to be applied to the center of one of the driving system's pulleys in static conditions to avoid the derailing of the belt. ß F P = 2 F v sen 2 For: z< F v = 1 3 F u a n 2 V n 2 t <z<0 F v = 1 2 F u ß z 1 z 2 F p z>0 where F v = 2 3 F u F U = 6 P sin t n 1 z 1 ß 2 c F u r 2 d 2 EASURING PROCEDURE The procedure to measure the tension of the belt is to use a Belt Tensioning Gauging Equipment. This device consists of a small sensing head which is held across the belt to be measured. The belt is then tapped to induce the belt to vibrate at its natural frequency. The vibrations are detected and the frequency of vibration is than displayed on the measuring unit. The relation between belt static tension (Ts) and frequency of vibration (f) may be calculated using the following formula: 1 f= 2t T s m or T s = 4 m t 2 f 2 m = belt mass per unit length (kg/m) T s = static tension (N) t = free belt span length in meters (m) f = frequency of vibration (Hz)
CAUSES OF BELT FAILURE To ensure that the performance and durability of a toothed belt drive will fully meet requirements of a particular application, it is necessary firstly ti accurately select the drive and then to make sure the drive is correctly installed. If this procedure is not followed, the drive life and efficiency may be considerably reduced. The most frequent problems encountered and their probable causes are listed in the table below. Problems Causes Corrective actions Belt excessively taut Reduce centre distance Abnormal wear of the belt: Excessive overloading Use a wider belt a) on the side of the tooth Replace pulley after checking contour or Incorrect contour or diameter of pulley diameter b) on the bottom of the tooth Excessive installation tension Reduce centre distance c) at the tooth root Incorrect diameter of pulley d) on the side of the belt Incorrect contour or diameter of pulley isalignment or wrong setting of pulleys Oscillation of the axes and/or of the bearings Flanges bent Replace pulley after checking diameter Replace pulley after checking contour or diameter Replace pulley after checking contour or diameter Correct the positioning of the pulleys and reinforce the bearings Straighten flanges Failure through traction or through laceration of the teeth, indicating corrosion of the tension member Laceration of belt teeth Rupture of tension member Breaks or cracks in the top surface of the belt Softening of the top surface of the belt Apparent elongation of the belt Belt overriding the flanges Excessive wear of pulley teeth Drive excessively noisy Diameter of small pulley i.e. below the minimum Excessive moisture Number of teeth in mesh less than six Excessive load Excessive load Diameter of pulley below minimum Exposure to excessively low temperatures (below 25 C) Exposure to excessively high temperatures (below +85 C) or operation with excessive amount of oil present Reduction of centre distance due to bearings not being firmly fixed Faulty installation of the flanges isalignment of pulleys Excessive overloading Belt excessively taut Pulley material insufficiently hard Pulleys out of line Excessive installation tension Excessive load Diameter of pulley below minimum Increase the diameter of the pulleys or use belts and pulleys of smaller pitch Eliminate the moisture Increase the number of teeth in mesh or use belts and pulleys of smaller pitch Use a wider belt Use a wider belt Increase the diameter of the pulleys Eliminate the low temperature Eliminate the high temperature or reduce the amount of oil present Restore the initial centre distance and strengthen the bearings Reinstall the flanges correctly Align pulleys Use a wider belt Reduce the centre distance Harden the pulley surface Align pulleys Reduce the centre distance Use a wider belt Increase the diameter of the pulleys 11
EGAPOWER L BELT CHARACTERISTICS BELT WIDTH (mm) 3,2 (0 ) 4,8 (019 ) 6,4 (025 ) PULLEY WIDTH B2 (mm) 5,6 7,1 8,9 BELT WEIGHT (gr/cm) 0,035 0,053 0,073 Standard compound: Thermoset PU 88 ShA grey/green Standard cords: Twisted Zinked Steel Standard width tolerance: + 0,50 / 0,80 mm Standard thickness tolerance: +/ 0, mm Special version belts on request, see page 21 BELT LENGTHS AND TOLERANCES (according ISO 52961) Code Code Code 44 111,7 55 8 7,2 2 1 6,4 0 45,6 1,8 57 82,4 9,2 3 176,8 449,1 1 1,9 84 213,3 5 4,8 5,1 256 56 2,2 70 88 3,5 1 2 568,9 0 57,6 6,3 72 9 23 1 2 579,1 5 2,4 75 94,4 239,7 1 6,4 625,8 8,8 4,4 76 96 3,8 1 63,2 1,5 79 +/ 0, 4 4,1 1 64 2,5 80 5,6 8,2 132 65,6 6,6 82 8 274,3 135 70,4 178,8 88 1 4,4 1 72,8 4,9 91 1 294,6 5 73,6 6,9 92 1 4,8 0 76,8 195,1 96 4 3,9 5 80,8 5,2 1 1 355,6 175 +/ 0, +/ 0,32 5,6 674,6 332 7,2 352 8 731,5 3 3 802,6 395 3 8,9 5 329,6 837,1 4 +/ 0, +/ 0,42 +/ 0, +/ 0,56 345,6 877,8 432 3,2 9,5 454 388 985,5 5 2 386,1 190 TRANSITTABLE POWER (kw/cm of tooth in mesh) n\z 0 800 00 00 00 00 00 5000 8000 0,00137 0,00172 0,004 0,005 0,003 0,00346 0,00465 0,00568 0,00659 0,00886 0,004 0,006 0,005 0,003 0,00384 0,004 0,00558 0,00681 0,00791 0,063 0,00191 0,002 0,006 0,00371 0,004 0,005 0,00651 0,00795 0,00923 0,0 0,002 0,00275 0,00327 0,004 0,00513 0,00554 0,00744 0,00908 0,055 0,017 0,006 0,009 0,008 0,00477 0,00577 0,006 0,00837 0,0 0,017 0,094 0,00273 0,00343 0,009 0,005 0,00641 0,00693 0,009 0,011 0,01319 0,01771 0,003 0,004 0,00491 0,006 0,00769 0,00831 0,011 0,013 0,083 0,025 0,00355 0,00446 0,00532 0,00689 0,00833 0,00901 0,0 0,076 0,017 0,0 0,00382 0,001 0,00573 0,00742 0,00897 0,00970 0,011 0,090 0,046 0,080 0,004 0,005 0,00613 0,00795 0,00961 0,039 0,01394 0,01703 0,01978 0,057 32 0,00437 0,00549 0,00654 0,008 0,025 0,019 0,087 0,017 0,021 0,034 0,00491 0,006 0,007 0,00954 0,013 0,047 0,073 0,044 0,02374 0,038 0,00546 0,00686 0,008 0,0 0,081 0,01386 0,059 0,071 0,038 0,03542 PULLEYS (for more details see our pulleys catalogue) 13 17 19 21 6,47 7,76 8,41 9,06 9,70,35 11,00,29,94 13,58,23,52 5,96 7,25 7,90 8,55 9,19 9,84,49 11,13 11,78,43 13,07 13,72,01 32 34 42 44 65 72,81,11 19,,70 21,99 23,29 25,87 27,17,46 31,05 38,81 42,04 46,57, 17,,89,19,78 25,,66 27,95,54 38, 41,53 46,06
EGAPOWER L BELT CHARACTERISTICS BELT WIDTH (mm) 6,4 (025 ) 7,9 (031 ) 9,4 (037 ) PULLEY WIDTH B2 (mm) 8,9,4,2 BELT WEIGHT (gr/cm) 0,1 0,3 0,2 Standard compound: Thermoset PU 88 ShA grey/green Standard cords: Twisted Zinked Steel Standard width tolerance: + 0,50 / 0,80 mm Standard thickness tolerance: +/ 0,25 mm Special version belts on request, see page 21 BELT LENGTHS AND TOLERANCES (according ISO 52961) Code Code Code 2,4 170 431,8 85 450 13 5 70 177,8 35 0 457,2 90 566 37,6 3 +/ 0,64 +/ 0,76 76 193 38 190 2,6 95 80 2,2 194 492,7 97 90 2,6 45 0 254 50 1 279,4 55 1 4,8 1 3,2 65 134 3,3 67 1 355,6 70 0 381 75 +/ 0, +/ 0,32 +/ 0, 0 508 0 2 533,4 5 2 558,8 1 2 584,2 1 2 9,6 1 250 635 5 2 6,4 1 270 685,8 135 1 6,4 80 8 731,5 4 290 7,6 5 0 762 0 356 904,2 178 4 51,5 7 +/ 0, +/ 0,42 +/ 0, +/ 0,56 +/ 0,64 TRANSITTABLE POWER (kw/cm of tooth in mesh) n\z 0 0 0 00 00 00 00 00 5000 8000 0,00 0,0029 0,0075 0,01 0,02 0,06 0,06 0,0359 0,0427 0,06 0,0019 0,0035 0,0091 0,0139 0,0195 0,07 0,0343 0,0431 0,0513 0,0735 0,00 0,0041 0,06 0,02 0,07 0,08 0,00 0,0502 0,0598 0,0857 0,00 0,0047 0,01 0,06 0,02 0,0329 0,0457 0,0574 0,0684 0,0980 0,0029 0,0053 0,01 0,09 0,0292 0,0370 0,05 0,0646 0,0769 0,12 0,0032 0,0059 0,01 0,0232 0,0325 0,0411 0,0571 0,07 0,0855 0,25 0,0038 0,0070 0,01 0,0278 0,0390 0,0494 0,0685 0,0861 0, 0,70 0,0045 0,0082 0,0211 0,0325 0,0455 0,0576 0,0799 0,05 0,1197 0,17 32 0,0051 0,0094 0,01 0,0371 0,05 0,0658 0,09 0,18 0,18 0,19 0,0064 0,0117 0,02 0,0464 0,0650 0,0823 0,12 0,35 0,17 0,50 0,0077 0,01 0,02 0,0557 0,0780 0,0988 0,1370 0,17 0,51 0,29 0,0096 0,0176 0,0453 0,0696 0,0975 0,34 0,1713 0,23 0,2564 0,75 72 0,01 0,0211 0,0543 0,0835 0,1170 0,81 0,56 0,2584 0,77 0,44 PULLEYS (for more details see our pulleys catalogue) 11 13 17,17 17,79 19, 21,02,64, 25,87 27,49 29,11 32,34 35,57 38,81,66 17,,89,51,13 23,75 25,,98, 31,83 35,07 38, 32 42 44 56 72 42,04 45,,51 51,74 58,21 64,68 67,91 71, 77,62 90,55 97,02 1,43 41,53 44,77,00 53 57,70 64,17 67, 70,64 77,11 90,04 96,51 1,92 13
EGAPOWER L BELT CHARACTERISTICS BELT WIDTH (mm),7 (050 ) 19,1 (075 ) 25,4 (0 ) PULLEY WIDTH B2 (mm) 19 25,4 29,7 BELT WEIGHT (gr/cm) 0,437 0,661 0,878 Standard compound: Thermoset PU 88 ShA grey/green Standard cords: Twisted Zinked Steel Standard width tolerance: +/ 0,80 mm Standard thickness tolerance: +/ 0, mm Special version belts on request, see page 21 BELT LENGTHS AND TOLERANCES (according ISO 52961) Code 86 2,6 23 +/ 0, 4 3,3 33 0 381 173 438,2 46 7 476,2 50 2 5,4 54 2 533,4 56 5 571,5 2 9,6 64 255 647,7 68 270 685,8 72 5 723,9 76 +/ 0,32 +/ 0, +/ 0,42 +/ 0, 0 762 80 3 819,2 86 345 876,3 92 +/ 0,56 7 933,4 98 Code 390 990,6 4 4 66,8 1 450 13 1 0 19,2 8 5 95,4 1 5 137 4 +/ 0,64 +/ 0,76 570 47,8 2 0 1 TRANSITTABLE POWER (kw/cm of tooth in mesh) n\z 0 0 0 00 00 00 00 00 5000 8000 0,0050 0,0089 0,0219 0,03 0,0447 0,0553 0,0741 0,0903 0,47 0,1399 0,00 0,07 0,03 0,0393 0,05 0,0664 0,0889 0,84 0,56 0,79 0,0070 0,05 0,07 0,0459 0,0625 0,0775 0,37 0,64 0,66 0,1958 0,0079 0,03 0,0351 0,05 0,07 0,0885 0,15 0,45 0,75 0,38 0,0089 0,01 0,0394 0,0590 0,0804 0,0996 0,1333 0, 0,85 0,25 0,0099 0,0178 0,0438 0,0655 0,0894 0,17 0,82 0,06 0,94 0,2798 0,09 0,0196 0,0454 0,0721 0,0983 0, 0, 0,1987 0,23 0,78 0,0119 0,02 0,02 0,0786 0,72 0,13 0,1778 0,28 0,2513 0,3357 0,0139 0,0250 0,05 0,0917 0,51 0,50 0,74 0,2529 0,2932 0,3917 0,09 0,08 0,0568 0,0983 0,13 0, 0, 0,2709 0,31 0,4197 32 0,09 0,05 0,06 0, 0, 0,1771 0,2370 0,90 0,3350 0,4477 0,0179 0,0321 0,0681 0,1179 0, 0,1992 0,67 0,3251 0,3769 0,50 0,0199 0,0357 0,0757 0,1311 0,1787 0, 0,2963 0,13 0, 0,5596 PULLEYS (for more details see our pulleys catalogue) 11 13,32 33,35,38 39,41 42,45,51 54,57,64 66,70 72,77 78,83 84,89 29,56 32,59 35,62 38,65 49 47,75 53,81 59,88 65,94 72,01 78,07 84,13 32 34 42 44 52 56 72 90,96 97,02 3,08 9, 8 7,34 133, 5,53 7,66 9,79 1,91 2, 90, 96, 2,32 8,39 1,52 6,58 132,64 4,76 6,90 9,03 1, 217,54
EGAPOWER H BELT CHARACTERISTICS BELT WIDTH (mm) 19,1 (075 ) 25,4 (0 ) 38,1 (0 ) 50,8 (0 ) 76,2 (0 ) PULLEY WIDTH B2 (mm) 25,4 29,7 46 59 85 BELT WEIGHT (gr/cm) 0,745 1,059 1,594 2,1 3,194 Standard compound: Thermoset PU 88 ShA grey/green Standard cords: Twisted Zinked Steel Standard width tolerance: +/ 0,80 mm Standard thickness tolerance: +/ 0, mm Special version belts on request, see page 21 BELT LENGTHS AND TOLERANCES (according ISO 52961) Code 2 584,2 46 2 9,6 270 685,8 54 0 762 3 838,2 66 3 9,4 72 390 990,6 78 4 66,8 84 450 13 90 0 19,2 96 5 95,4 2 +/ 0,42 +/ 0,56 +/ 0,64 +/ 0,76 +/ 0,88 TRANSITTABLE POWER (kw/cm of tooth in mesh) n\z 0 0 0 00 00 00 00 00 5000 8000 0,08 0,09 0,0563 0,0842 0,19 0,23 0,1905 0,23 0,92 0,3597 0,02 0,0255 0,06 0,09 0,76 0,81 0,21 0,2580 0,2991 0,3997 0,03 0,0293 0,07 0,77 0,68 0, 0,34 0,2968 0,34 0,4597 0,05 0,0331 0,08 0,17 0,59 0,56 0,2751 0,3355 0,3889 0,5196 0,0199 0,0357 0,0876 0,1311 0,1787 0, 0,2963 0,13 0, 0,5596 0,0213 0,0382 0,0939 0, 0,19 0,2372 0,3175 0,3871 0,47 0,5995 0,0234 0,0421 0,33 0,45 0,27 0,29 0,3493 0,4258 0,49 0,6595 0,0255 0,0459 0,17 0,85 0,98 0,46 0,38 0,4645 0,5384 0,7194 0,0277 0,0497 0,21 0, 0,90 0,84 0, 0,5032 0,5833 0,7794 32 0,0293 0,05 0,91 0,1931 0,33 0,32 0,46 0,53 0,6170 0,0341 0,0611 0,02 0,27 0,64 0,3795 0,5080 0,6193 0,7179 0,02 0,0650 0,96 0,2387 0,3256 0,32 0,5398 0,6580 0,76 44 0,0394 0,0709 0,1741 0,23 0,3550 0,4397 0,5886 0,7176 0,8319 PULLEYS (for more details see our pulleys catalogue) 21 23 25 56..64 64.68 72.77 80.85 84.89 88.94 92.98 97.02 1.06 5.11 113.19 55.23 59.27 63.31 71. 79. 83.52 87.57 91.61 95.65 99.69 3.74 111.82 32 34 38 44 52 58 72 1. 9. 137.45 5.53 3.62 1.70 177.87 194.04 2.21 234.47 2.55 291.06 119.91 7.99 1.08 4. 2.25 1.33 176.50 192.67 8.84 233. 1. 9.69
EGAPOWER T2,5 BELT CHARACTERISTICS BELT WIDTH (mm) 4 6 8 PULLEY WIDTH B2 (mm) 8 BELT WEIGHT (gr/cm) 0,046 0,070 0,093 0,1 0,3 Standard compound: Thermoset PU 88 ShA grey/green Standard cords: Twisted Zinked Steel Standard width tolerance: +/ 0, mm Standard thickness tolerance: +/ 0, mm Special version belts on request, see page 21 BELT LENGTHS AND TOLERANCES (according DIN 77211) 1 5 58 1 64 177,5 71 0 72 2,5 73 0 80 2 84 2 92 5 98 5 6 277,5 111 5 1 290 1 5 2 317,5 7 3 132 342,5 137 +/ 0, +/ 0,32 380 2 4 8 0 192 500 0 5 2 0 2 6 8 650 2 680 272 700 0 780 3 880 352 9 6 950 380 15 474 +/ 0, +/ 0,42 +/ 0, +/ 0,56 +/ 0,64 TRANSITTABLE POWER (kw/cm of tooth in mesh) n\z 0 800 00 00 00 00 5000 8000 0,00195 0,005 0,00292 0,00379 0,00419 0,00495 0,00664 0,00811 0,00942 0,065 0,00234 0,00294 0,00351 0,00454 0,00503 0,00594 0,00797 0,00973 0,011 0,0 0,00273 0,00343 0,009 0,005 0,00586 0,00693 0,009 0,011 0,01319 0,01771 0,003 0,00392 0,00467 0,006 0,00670 0,00742 0,062 0,098 0,007 0,0 0,00351 0,00441 0,005 0,00681 0,00754 0,00891 0,01195 0,0 0,096 0,077 0,00390 0,00490 0,00580 0,00757 0,00838 0,00990 0,013 0,0 0,084 0,025 0,00429 0,00539 0,00642 0,00833 0,009 0,089 0,061 0,01785 0,073 0,02783 0,00468 0,00588 0,00700 0,00909 0,005 0,018 0,094 0,01947 0,021 0,0 0,00507 0,00637 0,00759 0,00984 0,089 0,087 0,017 0,029 0,049 0,039 0,00546 0,00686 0,00817 0,0 0,01173 0,01386 0,059 0,071 0,038 0,03542 0,00585 0,007 0,00877 0,011 0,057 0,085 0,01992 0,033 0,0 0,03795 0,00702 0,00883 0,052 0,013 0,008 0,01782 0,02390 0,029 0,03391 0,04554 0,0078 0,00981 0,019 0,0 0,076 0,01980 0,056 0,035 0,03768 0,050 PULLEYS (for more details see our pulleys catalogue) 11 13 17 19 21 7,96 8,75 9,55,34 11, 11,94,73 13,53,32,,92,71 7,45 8,25 9,00 9,80, 11,, 13,00 13,80,,, 32 44 72 17,51 19,,69, 23,87 25,46,65 31,83 35,01 38, 47,75 57, 17,00,55, 21,75 23,35,45, 31, 34,50 37,70 47,25 55,
EGAPOWER T5 T5DL BELT CHARACTERISTICS BELT WIDTH (mm) 6 8 25 PULLEY WIDTH B2 (mm) 13 17 21 25 BELT WEIGHT (gr/cm) 0,1 0,2 0,194 0,237 0,9 0,390 0,497 Standard compound: Thermoset PU 88 ShA grey/green Standard cords: Twisted Zinked Steel Standard width tolerance: +/ 0,50 mm Standard thickness tolerance: +/ 0, mm Special version belts on request, see page 21 BELT LENGTHS AND TOLERANCES (according DIN 77211) 1 0 5 33 0 5 37 0 2 42 2 43 2 44 5 5 45 49 +/ 0, 250 50 255 51 2 52 270 54 275 55 0 56 295 59 0 5 61 3 66 3 68 350 70 355 5 375 390 395 0 4 4 425 4 445 450 455 71 73 75 78 79 80 82 84 85 88 89 90 91 +/ 0,32 +/ 0, 4 92 475 95 0 96 500 0 5 2 5* 3 525 5 545 9 550 1 5* 1 575 1 590 1 0 1 6 2 6 4 6 6 6 8 650 1 6 132 675 135 690 138 700 1 7 4 725 5 750 0 765 3 780 6 800 1 8 3 +/ 0,42 +/ 0, +/ 0,56 8 6 8 8 850 170 8 172 885 177 900 0 9 4 9 8 990 198 75 2 10 2 11 232 2 3 75 255 80 256 13 3 1355 271 +/ 0,56 +/ 0,64 +/ 0,76 1380 276 8 70 294 00 0 80 3 1955 391 +/ 0,76 +/ 0,88 DOUBLETOOTHED BELT LENGTHS 4 82 4 92 5 3 525 5 550 1 590 1 6 4 685 137 700 1 750 0 8 3 8 8 8 172 9 8 10 2 +/ 0, +/ 0,42 +/ 0, +/ 0,56 +/ 0,64 TRANSITTABLE POWER (kw/cm of tooth in mesh) n\z 0 0 0 00 00 00 00 00 5000 8000 0,0017 0,0031 0,0079 0,02 0,0171 0,0217 0,01 0,0378 0,0450 0,0645 0,00 0,0037 0,0095 0,07 0,05 0,02 0,01 0,0453 0,05 0,0774 0,00 0,0043 0,0111 0,0171 0,0239 0,03 0,0421 0,0529 0,06 0,0903 0,0027 0,0049 0,07 0,0195 0,0274 0,0346 0,01 0,04 0,07 0,32 0,00 0,0056 0,03 0,02 0,08 0,0390 0,0541 0,0680 0,08 0,11 0,0034 0,0062 0,09 0,04 0,0342 0,0433 0,01 0,0755 0,0900 0,89 0,00 0,0074 0,0191 0,0293 0,0411 0,05 0,0721 0,0907 0,80 0,47 0,0047 0,0086 0,02 0,0342 0,0479 0,06 0,0842 0,58 0, 0,05 0,0061 0,0111 0,06 0,04 0,06 0,0780 0,82 0,13 0, 0,2321 42 0,0071 0,01 0,0333 0,0513 0,07 0,09 0,62 0,86 0,89 0,2708 0,0081 0,08 0,0381 0,0586 0,0821 0,39 0,43 0,13 0,29 0,95 54 0,0091 0,07 0,0429 0,0659 0,09 0,19 0,23 0, 0,29 0,31 0,01 0,05 0,0476 0,0733 0, 0,99 0,03 0,26 0,99 0,3868 PULLEYS (for more details see our pulleys catalogue) 19 25,92 19,, 23,87 25,46,65, 31,83 35,01 38, 39,79 41,38,09,27 25 23,04,64 27,82 29,41 31,00 34,19 37,37 38,96,55 27 32 42 44 54 42,97 44,56 47,75 50,93 57, 63,66 66,85 70,03 76,39 85,94 95,49 42, 43,73 46,92 50, 56,47 62,93 66,02 69, 75,57 85,09 94,67 * Available also without GAP 17
EGAPOWER T TDL BELT CHARACTERISTICS BELT WIDTH (mm) 25 32 50 75 PULLEY WIDTH B2 (mm) 17 21 25 37 56 80 BELT WEIGHT (gr/cm) 0,494 0,504 0,683 0,861 1,082 1,386 2,174 3,276 Standard compound: Thermoset PU 88 ShA grey/green Standard cords: Twisted Zinked Steel Standard width tolerance: +/ 0,50 mm Standard thickness tolerance: +/ 0, mm Special version belts on request, see page 21 BELT LENGTHS AND TOLERANCES (according DIN 77211) 2 3 32 3 34 370 37 390 39 0 4 41 4 44 450 45 0 500 50 5 53 550 55 5 56 0* 6 61 6* 63 650 65 6 66 680 68 +/ 0,32 +/ 0, +/ 0,42 +/ 0, 690 69 700 70 7* 72 7 73 750 75 780 78 800* 80 8 81 8 84 850 85 880 88 890 89 900* 90 9 91 9* 92 950 95 9 96 970 97 980 98 00 0 1 +/ 0, +/ 0,56 +/ 0,64 50 5 80 8 10 1 11 111 11 1 1 1 1 4 50 5 1 13 132 1350 135 1390 139 1 2 +/ 0,64 +/ 0,76 4 50 5 6 00 0 6 1 1 1700 170 1750 175 1780 178 80 8 19 196 50 5 +/ 0,88 +/ 1,04 DOUBLETOOTHED BELT LENGTHS 2 5 53 6 63 6 66 700 70 7 72 800 80 8 84 900 90 9 92 980 98 1 10 1 1 1 4 50 5 13 132 1350 135 2 1 +/ 0, +/ 0,42 +/ 0, +/ 0,56 +/ 0,64 +/ 0,76 +/ 0,88 TRANSITTABLE POWER (kw/cm of tooth in mesh) 80 8 n\z 0 0 0 00 00 00 00 00 5000 8000 0,0085 0,03 0,0376 0,0562 0,0766 0,0949 0,70 0, 0,1795 0,2398 0,0099 0,0178 0,0438 0,0655 0,0894 0,17 0,82 0,06 0,94 0,2798 0,01 0,04 0,0501 0,0749 0,21 0,65 0,93 0,64 0,2393 0,3198 0,08 0,09 0,0563 0,0842 0,19 0,23 0,1905 0,23 0,92 0,3597 0,02 0,0255 0,06 0,09 0,76 0,81 0,21 0,2580 0,2991 0,3997 0,06 0,00 0,0689 0, 0, 0,1739 0,23 0,38 0,3290 0,4397 0,0170 0,06 0,0751 0,13 0,32 0,97 0,25 0,97 0,3590 0,4796 0,05 0,0331 0,08 0,17 0,59 0,56 0,2751 0,3355 0,3889 0,5196 0,0199 0,0357 0,0876 0,1311 0,1787 0, 0,2963 0,13 0, 0,5596 0,0213 0,0382 0,0939 0, 0,19 0,2372 0,3175 0,3871 0,47 0,5995 0,0255 0,0459 0,17 0,85 0,98 0,46 0,38 0,4645 0,5384 0,7194 0,0341 0,0611 0,02 0,27 0,64 0,3795 0,5080 0,6193 0,7179 54 0,0383 0,0688 0,90 0,2527 0,3447 0,49 0,57 0,6967 0,8077 PULLEYS (for more details see our pulleys catalogue) 19 25 38, 44,56 47,75 50,93 57,, 63,66 70,03 76,39 79,58 82,76,25 42,71 45,90 49,08 55,45 58,63 61,81 68, 74,55 77,73 80,91 27 32 44 54 85,94 89,13 95,49 1,86 1,59 7,32 1,06 2,79 171,89 190,99 84, 87, 93,65 0,01 1,74 5, 138,21 0,94 170,03 9, * Available also without GAP
EGAPOWER AT5 BELT CHARACTERISTICS BELT WIDTH (mm) 6 8 25 PULLEY WIDTH B2 (mm) 13 17 21 25 BELT WEIGHT (gr/cm) 0,5 0,253 0,3 0,378 0,508 0,6 0,800 Standard compound: Thermoset PU 88 ShA grey/green Standard cords: Twisted Zinked Steel Standard width tolerance: +/ 0,50 mm Standard thickness tolerance: +/ 0, mm Special version belts on request, see page 21 BELT LENGTHS AND TOLERANCES (according DIN 77211) 5 45 255 51 275 55 0 56 0 3 66 3 68 375 75 390 78 4 84 450 90 455 91 0 96 500 0 525 5 545 9 0 1 6 2 +/ 0, +/ 0,32 +/ 0, +/ 0,42 6 4 6 6 No of teeth 6 132 670 134 7 2 7 4 750 0 780 6 825 5 8 172 975 195 50 2 15 5 00 0 00 0 +/ 0, +/ 0,56 +/ 0,64 +/0,76 +/1,04 TRANSITTABLE POWER (kw/cm of tooth in mesh) n\z 0 0 0 00 00 00 00 00 5000 8000 0,0027 0,0049 0,07 0,0195 0,0274 0,0347 0,03 0,09 0,0727 0,46 0,0031 0,0057 0,08 0,02 0,03 0,05 0,0564 0,07 0,08 0, 0,00 0,0065 0,09 0,02 0,05 0,0463 0,0645 0,08 0,0969 0,1395 0,00 0,0074 0,0190 0,0293 0,0411 0,0521 0,0725 0,0913 0,90 0,69 0,0044 0,0082 0,0211 0,0325 0,0457 0,0579 0,0806 0, 0,11 0,1743 0,0049 0,0090 0,0232 0,0358 0,0502 0,0637 0,0886 0,11 0,1332 0,19 0,0053 0,0098 0,0253 0,0390 0,05 0,0695 0,0967 0, 0,53 0,92 0,0057 0,06 0,0274 0,04 0,0593 0,0753 0,47 0,1319 0,74 0,26 0,0062 0,01 0,0295 0,0455 0,0639 0,0811 0, 0,21 0,95 0,41 32 0,0071 0,0131 0,0338 0,05 0,07 0,09 0,89 0, 0,1938 0,2790 44 0,0098 0,00 0,0464 0,07 0,04 0,74 0,1773 0,33 0,64 0,38 0,0133 0,05 0,0633 0,0976 0,1370 0,1737 0,17 0,45 0,33 0,52 68 0,01 0,0278 0,0717 0, 0,52 0,1969 0,2739 0,3451 0,4117 0,59 PULLEYS (for more details see our pulleys catalogue) 19 25 19,1, 23,87 25,46,65, 31,83 35,01 38, 39,79 41,38 17,87 21,05,64, 27,42 29,01, 33,79,97 38,56, 27 32 42 44 68 42,97 44,56 47,75 50,93 57, 63,66 66,85 70,03 76,39 95,49 8,23 41,74 43,33 46,52 49,70 56,07 62,43 65,62 68,80 75,17 94,27 7,01 19
EGAPOWER AT BELT CHARACTERISTICS BELT WIDTH (mm) 25 32 50 75 PULLEY WIDTH B2 (mm) 17 21 25 37 56 80 BELT WEIGHT (gr/cm) 0,578 0,707 0,952 69 1,905 3,005 4,344 Standard compound: Thermoset PU 88 ShA grey/green Standard cords: Twisted Zinked Steel Standard width tolerance: +/ 0,50 mm Standard thickness tolerance: +/ 0, mm Special version belts on request, see page 21 BELT LENGTHS AND TOLERANCES (according DIN 77211) 370 37 500 50 5 56 580 58 0 6 61 6 63 6 66 700 67 7 73 780 78 800 80 8 81 8 84 880 88 890 89 9 92 9 96 980 98 00 0 1 +/ 0,32 +/0, +/ 0,42 +/ 0, +/ 0,56 +/ 0,64 50 5 80 8 10 1 1 1190 119 1 1 2 3 4 50 5 80 8 1 13 132 1350 135 13 1 1 +/ 0,64 +/ 0,76 12 80 18 00 1 3 1700 170 17 172 +/ 0,88 00 0 6 19 194 TRANSITTABLE POWER (kw/cm of tooth in mesh) n\z 0 0 0 00 00 00 00 00 5000 8000 0,0138 0,0251 0,0633 0,0961 0,1331 0,69 0,21 0,31 0,3335 0,46 0,06 0,01 0,0759 0, 0,97 0,03 0,2737 0,3397 0,02 0,5578 0,04 0,0335 0,0844 0,82 0,1774 0,25 0,42 0,3775 0,4447 0,6198 0,03 0,08 0,09 0, 0,1952 0, 0,3346 0,42 0,91 0,68 0,01 0,02 0, 0,38 0,29 0,70 0,50 0,45 0,53 0,7438 0,02 0,0435 0,97 0,66 0,27 0,93 0,3954 0,4907 0,5781 0,8057 0,0258 0,0469 0,11 0,1794 0,84 0,31 0,4258 0,55 0,65 0,8677 0,0276 0,0502 0,66 0,1923 0,61 0,3338 0,4562 0,5662 0,6670 0,9297 38 0,0350 0,06 0,13 0,35 0,3371 0,42 0,5779 0,7172 0,8449 42 0,0387 0,0703 0,1772 0,92 0,37 0,4673 0,6387 0,7927 0,9338 0,0442 0,0804 0,25 0,76 0,4258 0,5341 0,70 0,90 54 0,0498 0,0904 0,78 0,3461 0,4791 0,09 0,82 1,0192 0,0553 0,04 0,2531 0,3845 0,5323 0,6676 0,95 1,1325 PULLEYS (for more details see our pulleys catalogue) 19 25 27 47,75 50,93 57,, 63,66 70,03 76,39 79,58 82,76 85,94 89,13 45,90 49,08 55,45 58,63 61,81 68, 74,55 77,73 80,91 84, 87, 32 38 42 44 54 95,49 1,86 1,59 1,96 7,32 133,69 1,06 2,79 171,89 190,99 93,65 0,01 1,74 119, 5, 131,87 138,21 0,94 170,07 9,
EGAPOWER FEASIBILITY TABLE L L L H T2 T2,5 T5 T T5DL TDL AT5 AT in no. teeth pulley st. cords in outside idler dia in inside idler dia in no. teeth pulley HF cords in outside idler dia in inside idler dia in no. teeth pulley HP cords in outside idler dia in inside idler dia in no. teeth pulley HPF cords in outside idler dia in inside idler dia 80 50 50 0 0 80 80 50 50 25 25 25 1 50 80 50 25 0 80 0 in no. teeth pulley kevlar cords in outside idler dia in inside idler dia in no. teeth pulley fiberglass cords in outside idler dia in inside idler dia in no. teeth pulley polyester cords in outside idler dia in inside idler dia in no. teeth pulley stainless steel cords in outside idler dia in inside idler dia 13 35 35 13 35 35 65 65 65 65 80 90 65 80 65 70 70 70 70 70 70 25 65 1 50 19 1 1 Steel cords High Flexibility cords High Performance cords High Performance Flexibility Kevlar cords Fiberglass cords Polyester cords Stainless steel cords O R O R R O R O O O O O O O O O Pu yellow coating 50 ShA cover Porol mousse ShA cover Linatex 42 ShA cover Tenax / 45 ShA cover White alimentary rubber 70 ShA cover Neoprene rubber 70 ShA cover Gummy correx ShA cover NBR 70 ShA cover Hypalon ShA cover Honey comb 45 ShA cover O = Ex stock R = On request without minimum quantity = On request with minimum quantity = Not available 21
COATINGS AND COVER PROPERTIES egapower timing belts can be coated with several materials on the back side to obtain specific properties required (higher friction coefficient, higher abrasion reistance, higher oil resistance, etc.). Cover type open cell neoprene rubber natural rubber natural rubber natural rubber synthetic rubber synthetic rubber natural rubber nitrilic rubber rubber natural rubber foamed polyurethane 42 45 70 70 70 45 50 black red red red white gray/black light brown white white red yellow/gray by gluing by gluing by vulcanization by vulcanization by vulcanization by vulcanization by vulcanization by vulcanization by vulcanization by gluing by spray 2 till 0,8 till 0,8 till 0,8 till 0,8 till 0,8 till 0,8 till 0,8 till 0,8 till 4,5 0,5 till 8 +/ 0,3 +/ 0,3 +/ 0,3 +/ 0,3 +/ 0,3 +/ 0,3 +/ 0,3 +/ 0,3 +/ 0,3 +/ 0,5 +/ 0,3 / + / +50 / + / + 0 / +1 / +0 / + 0 / +1 0 / +1 / + / + 0,7 0,75 0,75 0,7 0,65 0,6 0,6 0,6 0,6 0,6 0,4 good very good very good very good good very good very good good good very good good intermediate very good very good very good intermediate good very good intermediate intermediate very good very good intermediate low low low good good low good good low very good no no no no no no no no no no no x 25 x x x x 35 x 35 x x 35 x 35 x x 25 (1) Static Average values for steel guides (2) Suggested diameter is bigger value between this calculated value and minimum pulley diameter on belt data page
SPECIAL EECUTIONS COLOUR On customer request and with a minimum quantity is possibile to produce egapower with several colours. Different colour doesn t influence belt technical properties so mechanical features are same as standard grey/green belt. ECHANICAL REWORK egadyne have been producing specialized belting for many years. Our inhouse facilities enable us to produce belts with special holes for vacuum applications, belts with special backings/grounds finishes for high tolerance applications. We can remove individual teeth and perforate the timing belt as required. BACK GRINDING A belt back can be ground to achieve a precise belt thickness as an adjunct to precision drives. When belt back grinding to a tolerance is required, the total thickness, including the tooth, must be specified. A grinding tolerance of +/ 0,2 mm is achievable with a level finish (i.e. thickness will not vary greatly around the belt). LONGITUDINAL REWORK Longitudinal rework along the belt back is possibile on covered and uncovered belts. The profile can be machined precisely for required function. The measurement is given as the depth on the belt back. ost widths and lengths are available. REWORK ON BELT TEETH The rework of the tooth profile can be very useful, i.e. improving the steering effect with guide rails. The rework dimension is given from the top of the tooth. HOLES IN TIING BELTS Holes in timing belts can be for vacuum or air film conveying or as clearance for assembly mechanisms. Stops and cams can be attached through the holes. Customized tooling may be required depending on the layout and dimensions of holes required. SINGLE TOOTH REOVAL Single and multiple tooth removal is available to your requirement, for applications in handling and conveying technology. 23
SPECIAL EECUTIONS PHOTOS Belts and sleeves Customer can choose the right egapower depending on his business features: belts are finished and ready to use, while sleeves can be stored and cut at requested width by endusers Special profiles egapower belts can be manufactured on customer request also with pitch T2, RPP3, RPP8, STD3, TD5 AT for high power egapower belts are available also in AT pitch, with standard or special cords, to work in very high power transmission applications Directly moulded special cleats Special cleats and flat profiles can be directly moulded with the belt, being a part of it and giving higher mechanical characteristics Tracking belts for lifts Custom design moulded belt, with high strength capacity and helical special teeth, high coefficient of friction and very low noise level, used as tracking belts in lift applications
SPECIAL EECUTIONS PHOTOS Vacuum applications egapower belts for vacuum applications, coated with Tenax or other coatings, with ground teeth, holes and slots (perpendicular or sloping) for vacuum transmission Packing industry Particular egapower with directly moulded carriers and pushers, engineered to meet very special customer requests Special carriers egapower customised belt with directly moulded carriors, developed following customer design Office automation egapower belt with special moulded cleats, typically used used in office automation and printing machines Carding machines Special moulded belt with cylindrical cleats, used in textile industry Textile industry Special moulded belt used in textile industry, manufactured in red or in blue polyurethane 25
PULLEYS AND TIING BARS
PULLEYS AND TIING BARS Pulleys can be provided both in standard design, according to ISO specifications, and engineered on customer requests. anufactured in aluminium, steel and cast iron, egadyne pulleys are available with or without steel flanges and surface treatment. Imperial HTD ETRIC RPP L L L H H H HG 3 5 8 T2,5 T5 T T AT3 AT5 AT AT TG5 TG TG ATG RPP5 RPP8 RPP 27
USEFUL FORULAS AND CONVERSION TABLE SPEED V= d 1 n 1 190 n 1 = V 190 d 1 FORCES AND TORQUE d 1 = V 190 n 1 V: peripheral speed [m/s] n 1 : rotation speed [RP] d 1 : pulley diameter [mm] F u = 19,1 6 P d 1 n 1 t = P 9550 n 1 POWER P= Fu d1 n 1 P= t n 1 19,1 6 9550 F u = 00 t d 1 F u = P 3 d 1 t = F u d 1 00 t = P d 1 2 V P= F u V 00 F u : peripheral force [N] t : drive torque [Nm] P: power [kw] n 1 : rotation speed [RP] d 1 : pulley diameter [mm] V: peripheral speed [m/s] P: power [kw] F u : peripheral force [N] t : drive torque [Nm] n 1 : rotation speed [RP] d 1 : pulley diameter [mm] To convert from to multiply by CV HP 0,98631 CV kcal/h 63,1 CV W 735,4988 CV kw 0,7354988 CV kgf m/s 75 CV lbf ft/s 542,476 HP CV 1,01387 HP kcal/h 645 HP W 745,6999 HP kw 0,7456999 HP kgf m/s 76,0 HP lbf ft/s 550 in m 0,0254 in cm 2,54 in mm 25,4 in ft 0,083 in 2 m 2 0,000645 in 2 cm 2 6,45 in 2 mm 2 645, in 2 ft 2 0,006944444 in 3 m 3 3871 5 in 3 cm 3,38706 in 3 mm 3 387,06 in 3 ft 3 0,000578704 To convert from to multiply by J CV h 3,77673 7 J HP h 3,72506 7 J kwh 2,77778 7 kg lb 2,4623 kgf N 9,80665 kgf lbf 2,4623 kgf m/s CV 0,01333333 kgf m/s W 9,80665 kgf m/s kw 0,00980665 kw CV 1,3596 kw kcal/h 859,8452 kw W 00 kw kgf m/s 1,97 kw lbf ft/s 737,5621 lb kg 0,45359 lb kgf 0,45359 lb N 4,42 N kgf 0,197 N lbf 0,089 W CV 0,0013596 W HP 0,00134 W kcal/h 0,8598452 W kw 0,001 W kgf m/s 0,197 W lbf ft/s 0,7375621
The data and information contained in the present catalogue are uptodated to the date of the catalogue's printing. egadyne Spa reserves the right to modify the specifications, performances and other information relating to the belts described in the present catalogue, at any time at its own discretion, without any prior notice. For updating refer to our web site www.megadynegroup.com. Technical specifications, performances and other information provided in the present catalogue are indicative and do not bound egadyne unless such specifications, performances or other information are expressly agreed in the agreement with the customer. We also recommend to read carefully the following documents in our web site www.megadynegroup.com: egadyne General Conditions of Sale (comprising the warranty) Theoretical Belt Life Drive Components: Storage, Installation, aintenance and Troubleshooting Handbook Belts standard use condition and temperature. Copyright Notice: egadyne Spa copyright. All rights reserved. egadyne is and shall remain the owner of all rights on drawings, technical specifications and any other information contained in the present catalogue or otherwise communicated by egadyne Spa to the customer. The customer shall not disclose such information to third parties or use such information for purposes different from the definition of the order to egadyne Spa, unless upon prior written authorization of egadyne. EGADYNE S.p.A. ITALY ATHI