CRWUG CRWU. Built-in rack & pinion type Solves cage creep issue!!

Transcription

1 Crossed Roller ay ni-creep Cae Crossed Roller ay ni-creep Cae Crossed Roller ay Crossed Roller ay ni-creep Cae Crossed Roller ay Uni Crossed Roller ay Uni 3 4

2 eaures of Crossed Roller ay Series wide variey of series producs includin cae misalinmen prevenion mecanism are available! eaures of Crossed Roller ay Crossed Roller ay is a linear moion rollin uide incorporain a roller cae beween wo ways wose wo V-saped surfaces are used as rack roove. rranemen of cylindrical rollers by oroonalizin em alernaely allows receivin of loads in any direcion and execues exremely i-accuracy and smoo linear moion. Crossed Roller ay CR CR ni-creep Cae Crossed Roller ay CRG ni-creep Cae Crossed Roller ay Uni CRUG ni-creep Cae Crossed Roller ay CRG ni-creep Cae Crossed Roller ay CRG is a produc wi a cae creep proof funcion usin a rack and pinion mecanism oriinaed from e Crossed Roller ay CR feaurin smoo linear moion wi super i accuracy. CRG is i load capaciy ype of CRG, wic as acieved realy increased by redesinin of raceway of CRG. Buil-in rack & pinion ype Solves cae creep issue!! ni-creep Cae Crossed Roller ay Uni CRUG is a produc wi a cae creep proof funcion-provided Crossed Roller ay CRG mouned ino a round-finised riid able and bed. CRUG srucure 5 Rack Crossed Roller ay Uni CRU Pinion ear Oriinal rack & pinion srucure Cylindrical rollers Cae Rack Cylindrical rollers Cae Rack Roller cae Rack Pinion ear Roller cae eaures of Buil-in Rack & Pinion Type Solves Cae Creep Issue Perfec soluion for cae creep issues by a buil-in rack and pinion mecanism as an oriinal desin. reedom in ounin Tis series is reliable for applicaions suc as verical axis were Crossed Roller ay may ave cances of cae creep. i-speed and i-tac Operaion ny correcive operaion for cae creep is no necessary even for i velociy operaion. Savin nery o remedy moion of cae is necessary even in lon erm operaion. asy Replacemen Since ey ave e same exernal dimensions o ose of e exisin Crossed Roller ay and Crossed Roller ay Uni, exisin Crossed Roller ay and Crossed Roller ay Uni can be replaced wiou any mounin dimensions modificaion. Durabiliy es Tes condiions odel number CRG3 Tes meod Vibraion es macine Resul Condiion Toal cycles Inercaneable in ounin Dimensions dopion of oriinal srucure of arranin a rack inside e way keeps e same mounin dimensions as convenional Crossed Roller ay CR. Improved Runnin ccuracy xremely i runnin accuracy can be acieved wiou run deflecion by recirculain ype linear moion rollin uide. CRG CRG Posure aximum velociy cceleraion umber of cycle Sroke len ass of movin par Verical 827 mm/s 15 G 31 z 8 mm ,000,000 cycles Smoo and xremely-i ccurae Operaion Combinaion of precisely finised raceways and non-recirculain ype linear moion rollin uide wi super i precision rollers provides superbly smoo moion wi very i accuracy. Rack o cae creep even under i-ac operaion in verical axis! Pinion ear o cae creep nor maerial damae in any componen is found. CRUG Rack Pinion ear Rack Pinion ear CR CRU CRG Suiable for icro-eedin Improvemen of precision posiionin accuracy and superior correspondin feaure o micro-feedin command can be expeced because of e linear moion wiou sick-slip by exremely small fricional resisance. 1=0.102kf=0.2248lbs. Vibraion macine 6

3 ni-creep Cae Crossed Roller ay CRG Idenificaion umber and Specificaion xample of an idenificaion number Te specificaions of CRG series, CRG series, and CR series are indicaed by e idenificaion number. Indicae e idenificaion number, consisin of a model code, a dimension, a par code, a maerial code, a classificaion symbol, and any supplemenal codes for eac specificaion o apply. Pinion ear CRG series CRG series CRG SP /B Rack CR series Sandard ype CR C20 S SP /U ni-creep Cae Crossed Roller ay CRG ay CR C36 S SP /U odule ype CR C20 SP /U CR C20 SP /U ay Cylindrical rollers cae Roller cae 1 odel odel code Pae 9 Rack Crossed Roller ay CR/CR nd screw Size ay len umber of cylindrical rollers Dimensions Pae 9 Par code Pae 10 Poins Superior load balance 1 Tis uni as a roller cae wi cylindrical rollers alernaely oroonalized beween wo ways wose wo V-saped surfaces are used as rack roove, wic allows receivin of loads in any direcion. 2 Solves cae creep problem CRG and CRG unis, wic ave oriinally-desined rack and pinion mecanism buil-in, solve e cae creep issue and suppor i-speed & i-ac operaion and verical axis applicaion. 4 Sandard ype and module ype Tere are wo ypes in e CR: one is sandard ype of usin four ways and wo roller caes in combinaion as a se and e oer is module ype of inerain wo inernal ways in a sinle srucure. 5 asy mounin Te mounin oles of e way are provided wi borin and female read, so a e mounin srucure is no resriced.te module ype wi wo inernal ways ineraed in a sinle srucure is simple in mounin srucure, us producin i accuracy linear moion. 5 aerial ype aerial code 6 ccuracy class Classificaion symbol 7 Special specificaion Supplemenal code Pae 10 Pae 11 Pae 11 3 i load capaciy ype CRG CRG as acieved realy increased by redesinin of raceway of CRG, ereby downsizin e macine and equipmen and prolonin eir lifeime. Sainless seels superior in corrosion resisance are lised on lineup. 6Producs made of sainless seel are ily resisance o corrosion, so a ey are suiable for applicaions were rus prevenion oil is no preferred, suc as in a cleanroom environmen. 7 1=0.102kf=0.2248lbs. 8

4 Idenificaion umber and Specificaion 1 2 odel Size ni-creep Cae Crossed Roller ay CRG series ni-creep Cae Crossed Roller ay CRG series Crossed Roller ay CR series or applicable models and sizes, see i. 1. Sandard ype odule ype odel Size CRG CRG CR CR 1, 2, 3, 4, 6, 9, 12, 15, 18, 24 or applicable models and sizes, see i. 1. Table 1 odels and Sizes of CRG series, CRG series, and CR series Series aerial odel Size ay len umber of Cylindrical Rollers aerial Type 3 ay len Specifyin e combinaion of differen way lens Combinaion of sandard ype Tis combinaion consiss of wo sor ways, wo lon ways, and wo roller caes, as a se. Te number of rollers incorporaed ino a roller cae sall be sandard number of sor ways (number described in e dimension able) bu e number of rollers may be specified. Combinaion of module ype Te way len is indicaed in mm. Te CR series can be combined wi a way of differen len. or deails of way len, see e dimension ables on paes -27 o -54. Tis combinaion consiss of one cener way, wo ways, and wo roller caes, as a se. Te number of rollers incorporaed ino a roller cae sall be sandard number of sor ways (number described in e dimension able) bu e number of rollers may be specified. CRG i carbon seel made CRG xample CR C24 xample CR C20 CRG i carbon seel made CRG Te number of cylindrical rollers o be incorporaed in a uni: 24 en of lon way: 400 mm en of sor way: 300 mm Te number of cylindrical rollers o be incorporaed in a uni: 20 en of ouside way: 150 mm en of cener way: 200 mm Sandard ype i carbon seel made CR CR Sainless seel made CRS odule ype i carbon seel made CR 4 umber of cylindrical rollers o symbol C Tis represens e number of cylindrical rollers incorporaed ino a CR series cae. If no direced, e number of cylindrical rollers indicaed in e dimension able sall be incorporaed in a roller cae. 5 aerial ype i carbon seel made Sainless seel made o symbol S or applicable models and sizes, see i =0.102kf=0.2248lbs. 10

5 ccuracy Class Special Specificaion Special Specificaion 6 ccuracy class Sandard Super precision o symbol SP or parallelism of e raceway o reference mounin surface and e olerance of e parallelism of wo raceways of CR, see i. 1. Special mounin screw /B Preload adjusin-side way can be moved by adjusin e preload. llowance for movemen is required beween a way fixin screw and mounin ole, bu special mounin screws are provided for e cases were enou allowance is no provided or a fixin screw sould be mouned from e way side as sown in i. 2. Tis special mounin screw can also be used for e case were e mounin ole for mounin e fixed-side way and posiionin accuracy of female read are no enou. Tis special mounin screw is i carbon seel-made only. B B Table 4 Dimensions of special mounin screw S CRG, CRG, CR CR D d 10 Parallelism μm SP ay len mm i. 1 ccuracy Bol size uni: mm Size Bol size d D S i. 2 ounin by special mounin screw 7 Special specificaion B,, S, SB, U or applicable special specificaions, see Table 2. or combinaion of muliple special specificaions, see Table 3. or deails of special specificaions, see paes -12 o -14. i riidiy roller cae / Table 2 pplicaion of special specificaions Special specificaion Supplemenal code Size Special mounin screw /B i riidiy roller cae 1 2 / nd sopper S 2 /S nd sopper SB 2 /SB iper seal 2 /U oes 1 o applicable o module ype. 2 o applicable o CRG series and CRG series. Te cae is caned ino a i riidiy copper alloy-made cae desined o sui verical axis applicaion. Tis cae as a srucure o preven a roller from droppin off in one-side direcion. or usin a i riidiy roller cae for verical axis applicaion, i is recommended o use e cae in combinaion wi end sopper SB. Table 3 Combinaion of special specificaions S SB U B S SB Remarks 1. Te combinaion of "-" sown in e able is no available. 2. en usin muliple ypes for combinaion, please indicae by arranin e symbols in alpabeical order. 11 1=0.102kf=0.2248lbs. 12

6 Special Specificaion Special Specificaion nd sopper S /S en e sroke frequency is i and cae creep may be caused by e vibraion and non-uniformly varyin load, e end screw is caned ino end sopper S. or e series of size 1, an end sopper S accordin o end sopper S is included as sandard. iper seal /U In order o preven forein subsances from enerin ino a raceway, e wiper seal is caned ino e one wi a funcion of end sopper SB. Te wiper seal canno be mouned on all way ends. Sandard mounin posiions are sown in i. 4. Te mounin posiions can be caned by loosenin e screw. Table 5 Dimensions of end sopper S 1 Table 7 Dimensions of wiper seal uni: mm Size 1 2 Size uni: mm Size 1 2 Size i. 4 rranemen of wiper seal nd sopper SB /SB en usin a i riidiy roller cae for verical axis applicaion, e end screw is caned ino end sopper SB o reulae e cae sroke a e end. Te end sopper SB canno be mouned on all way ends. Sandard mounin posiions are sown in i. 3. Te mounin posiions can be caned by loosenin e screw. Table 6 Dimensions of end sopper SB 1 2 uni: mm Size 1 2 Size i. 3 rranemen of end sopper SB 13 1=0.102kf=0.2248lbs. 14

7 oad Rain and llowable oad Basic dynamic C, basic saic C 0, and allowable load of e CRG series and CRG series sow values for downward loads in case of parallel arranemen of four ways and wo pairs of roller caes as one se. (Refer o i. 5) In addiion, e upward and laeral is e same as downward. or e CR series, since e number of cylindrical rollers a sare load of eac direcion varies, e for eac load direcion and allowable load mus be obained. In addiion, basic dynamic C U, basic saic C 0U, and allowable load U in e dimension able sow values per cylindrical roller. Basic dynamic C, basic saic C 0, and allowable load of e CR series are obained based on e equaion indicaed in Table 8.1 and Table 8.2. or more informaion on e definiion of and calculaed load, see pae -3. C, C0, i. 5 Direcion of of e CRG series and CRG series Table 8.2 Calculain formula of and allowable load of module ype CR series oad direcion Upward and downward load 1/2 of e loa/2 of e load oad aeral load Basic dynamic C C r {( Z 1/ ) 2p } ( Z 2 ) 3/4 2 7/9 C 7 U C a {( Z 2 1 ) 2p } 1/36( Z 2 ) 3/4 2 7/9 C 10 U Basic saic C 0 C 0r 2 ( Z 2 )C 0U 8 C 0a 2 ( Z 2 )C 0U 11 llowable load r 2 ( Z 2 ) U 9 a 2 ( Z 2 ) U 12 oad oad llowable load llowable load refers o load of smoo rollin moion on conac surface o wic maximum conac sress is applied and e sum of wose elasic deformaion of rollin elemens and raceway is small. Terefore, use applied load wiin e allowable load rane if very smoo rollin moion and i accuracy are required. Table 8.1 Calculain formula of and allowable load of sandard ype CR series Upward and downward load 1 oad aeral load Code descripion C r Basic dynamic in case upward and downward load is applied C a Basic dynamic in case laeral load is applied C 0r Basic saic in case upward and downward load is applied C 0a Basic saic in case laeral load is applied r llowable load in case upward and downward load is applied a llowable load in case laeral load is applied Te number of cylindrical rollers incorporaed in a roller cae Z (omi e fiures afer e decimal fracions for Z 2 ) p Iner-pic dimensions of cylindrical rollers mm C U Basic dynamic per cylindrical roller C 0U Basic saic per cylindrical roller U llowable load per cylindrical roller oad direcion oad oad oad Basic dynamic C C r {( Z 2 1 ) 2p } 1/36( Z 2 ) 3/4 C U 1 C a {( Z 2 1 ) 2p } 1/36( Z 2 ) 3/4 2 7/9 C U 4 Basic saic C 0 C 0r ( Z 2 )C 0U 2 C 0a 2 ( Z 2 )C 0U 5 llowable load r ( Z 2 ) U 3 a 2 ( Z 2 ) U 6 Code descripion C r Basic dynamic in case upward and downward load is applied C a Basic dynamic in case laeral load is applied C 0r Basic saic in case upward and downward load is applied C 0a Basic saic in case laeral load is applied r llowable load in case upward and downward load is applied a llowable load in case laeral load is applied Te number of cylindrical rollers incorporaed in a roller cae Z (omi e fiures afer e decimal fracions for Z 2 ) p Iner-pic dimensions of cylindrical rollers mm C U Basic dynamic per cylindrical roller C 0U Basic saic per cylindrical roller U llowable load per cylindrical roller oe 1 : In case of parallel arranemen in is load direcion, calculaion mus be performed based on e equaions 7, 8, and 9in Table =0.102kf=0.2248lbs. 16

8 Selecion of CR Series or selecion of CR series specificaions, sroke len and e number of cylindrical rollers, as well as accuracy, and allowable load, mus be deermined. Sroke len and e number of cylindrical rollers Sroke len of e CR series affecs e way len and e number of cylindrical rollers. Terefore, selec specificaions by followin e procedure below akin ino accoun e sroke len used and applied load. Calculaion of cae len and e number of rollers i e way len and maximum sroke len deermined, e allowable len for cae can be calculaed. Calculaion meod of e cae len varies dependin on specificaions of end screws and end sopper fied o e way end. (1) i sandard end screws and end sopper S (excludin Size 1 series) Te dimensions beween rollers a bo ends is obained from e followin equaion by usin a value obained by subracin a alf of e maximum sroke len from e way len. (2) or Size 1 series Te sroke len is reulaed by cae and end sopper and e cae len is obained by e followin equaion. R S 1 2 ere R: llowable cae len mm : ay len mm S 1 : aximum sroke len mm S 1 (17) Calculaion examples orm of use CR 6 pplied load P 7000 Sroke len S 195 mm Selec specificaions for parallel use of Crossed Roller ay under e above condiions (refer o i. 26 in pae -23). Calculaion of way len Te way len is calculaed from e equaion (13). Calculaion of way len Te way len, wic sould be 1.5 imes loner an e sroke len used, is obained from e equaion below. 1.5S (13) ere : ay len mm S: Sroke len used mm S R S 1 2 (15) ere R : llowable dimensions beween rollers a bo ends mm : ay len mm S 1 : aximum sroke len mm S 1 /2 S 1 S 1 /2 R Te number of rollers o be incorporaed in a roller cae is obained by e followin equaion. S 1 /2 1.5S Terefore, selec = 300 mm based on e sandard len in e dimension able. Calculaion of maximum sroke len Te maximum sroke len S 1 is calculaed from e equaion 14. S 1 1 S S Calculaion of maximum sroke len Ideally e sroke len used sould be less an 80% of e maximum sroke len, wic is obained from e equaion below. S S (14) ere S 1 : aximum sroke len mm S : Sroke len used mm Te number of rollers o be incorporaed in a roller cae is obained by e followin equaion. Z RD p R 1 (16) ere Z : umber of cylindrical rollers (fiures afer e decimal fracions are omied) R : llowed dimensions beween rollers a bo ends mm D : Diameer of cylindrical rollers (refer o e dimension able) mm p : Iner-pic dimensions of cylindrical rollers (refer o e dimension able) mm S 1 /2 Z R2e 1 p (18) ere Z : umber of cylindrical rollers (fiures afer e decimal fracions are omied) R: llowable cae len mm e : nd dimension of cae (refer o e dimension able) mm p : Iner-pic dimensions of cylindrical rollers (refer o e dimension able) mm (3) or end sopper SB and wiper seal Te sroke len is reulaed by cae and end sopper or wiper seal and e cae len is obained by e followin equaion. R= 2 S 1 (19) ere R : llowable cae len mm : ay len mm S 1 : aximum sroke len mm 2 : Tickness of end sopper SB or wiper seal mm (See Table 6 in pae -13, and Table 7 in pae -14) llowable dimensions beween rollers a bo ends R is calculaed from e equaion (15). R S Calculaion of e number of rollers Te number of cylindrical rollers Z is calculaed from e equaion (16). owever, D and p in is form are D = 6 mmp = 9 mm accordin o e dimension able. Z RD p 9 Terefore, i sould be Z = 20 by omiin fiures afer e decimal fracions. Calculaion of allowable load llowable load in parallel arranemen is calculaed from equaion (9) described in Table 8.2 in pae -16. owever, allowable load per cylindrical roller U is U = 769 accordin o e dimension able. 2( Z 2 ) U 2( 20 2 ) Terefore, allowable load is larer an applied load P = en allowable load becomes smaller an applied load, i is necessary o increase e number of cylindrical rollers by exendin way len, or increase e cylindrical roller diameer. R S 1 2 Deerminaion of specificaions Specificaions obained in accordance wi e above is CR6-300 and e number of cylindrical rollers is 20. Te number of rollers o be incorporaed in a roller cae is obained by e equaion (18) as wi e Size 1 series. 17 1=0.102kf=0.2248lbs. 18

9 ubricaion Precauion for Use Grease is no pre-packed in e CRG series, CRG series and CR series, so please perform adequae lubricaion as needed. Bo of oil lubricaion and rease lubricaion are available in e CRG series, CRG series and CR series. Generally, oil lubricaion sould be seleced for i speed or low fricional resisance, and rease lubricaion for low speed. or rease lubricaion, use of i-qualiy liium-soap base rease is recommended. or li load and low speed, apply rease or oil o raceway, rack and pinion ear firs and en reapply accordinly. owever, e srucure as indicaed in e i. 6 allows for easy reapplicaion. In addiion, since e clearance beween ways is small for CRG series, apply rease or oil direcly o raceway for re-reasin. i. 6 xample of lubricaion sysem Dus Proecion Since e CRG series, CRG series and CR series are finised wi i accuracy, armful forein subsances suc as dus and paricles enerin ino e bearin will cause low life or impaired accuracy. To preven armful forein subsances suc as dus, paricles and waer from ouside from enerin, i is recommended o aac non-conac ype labyrin seal as indicaed in i. 7, or conac ype wiper seal as indicaed in e i. 8 o bo sides. andlin s e CRG series, CRG series and CR series are desined ily precisely, ake exra care for andlin. pinion ear and cylindrical roller are incorporaed wi e cae for e CRG series and CRG series. en e cae is dropped or andled rouly, e pinion ear and cylindrical roller may come off. specially for CRG, rabbin e cylindrical roller may ake i off, so be sure o old e cae body for andlin. In addiion, do no cu off e cae as doin so may cause pinion ear comin off and breakae of ear join secion. rack is incorporaed wi e way for e CRG series and CRG series. In operaion, ake noe a e rack may come off wen e end screw is removed. Tou e cae for e CR series may cu off o necessary len, andle i wi care no o deform i wen cuin. ccuracy of mounin par xamples of ypical mounin surface processin are sown in i. 9.1 and i General processin accuracy of mounin surface is accordin o Table 9. owever, care sould be exercised as mounin surface accuracy direcly affecs runnin accuracy. specially wen i runnin accuracy is required, e processin accuracy ier an a indicaed in Table 9 is required. B C i. 9.1 xample of processin of CRG, CRG and CR mounin surface C B Table 9 ccuracy of mounin par ccuracy of surface ccuracy of B and C surfaces Direcly affecs runnin accuracy. or e flaness of wo mounin surfaces on able and bed sides, allowable value approximae o e parallelism indicaed in i. 1 in pae -11 is recommended. laness ffecs preload (refer o Preload adjusmen mecanism). 11llowable value approximae o e parallelism indicaed in i. 1 in pae -11 is recommended. Squareness ffecs riidiy in preload direcion of e mounin par of e CRG series, CRG series and CR series. Process o sufficienly i accuracy. of mounin par or e opposie corner of e main reference mounin, i is recommended o ave relieved fille as indicaed in i. 10. In addiion, a clearance of 0.5 mm or ier sould be made beween e way and e main member maerial. 0.5or ier i. 10 of mounin par Preload adjusmen mecanism or use wi preload, use e preload adjusin screw as indicaed in i. 11 as a eneral way. Preload adjusin screw nominal dimensions and mounin posiion sould be in accordance wi e way fixin bol dimensions and posiion. Press e cener of e way dimensions. Preload amoun varies dependin on operaional condiions of your macine and device. owever, as excessive preload may lead o sor life and damae on e raceway, i is ypically ideal o adjus o zero clearance or sli preload sae. en accuracy and riidiy are required, use a pus plae or apered jib as indicaed in i. 12 and i. 13, respecively. 0.5or ier i. 12 xample of pus plae i. 13 xample of apered jib Operain emperaure s syneic resin componens are used for e CRG series and CRG series, e maximum operain emperaure is 120 C, wile i sould be lower an 100 C for coninuous use. en i exceeds 100 C, conac. s syneic resin componens are no used for e CR series, i may be used a i emperaure. owever, wen i exceeds 100 C, conac. aximum velociy Operain velociy sould be lower an 50 m/min for e CRG series and CRG series, and lower an 30 m/ min for e CR series. Tienin orque for fixin screw Typical ienin orque for mounin of e CRG series, CRG series and CR series is indicaed in Table 10. en vibraion and sock are lare or momen load is applied, i is recommended o fix by usin e orque 1.3 imes larer an a indicaed in e able. In addiion, wen i runnin accuracy is required wi no vibraion and sock, i may be fixed by usin orque smaller an a indicaed in e able, owever, i is recommended o use adesive aen o fasen e screw, or o use sop bols. i. 7 xample of labyrin seal i. 8 xample of wiper seal i. 9.2 xample of processin of CR mounin surface i. 11 xample of ypical preload adjusmen Table 10 Tienin orque for fixin screw Tienin orque Remark Bol size m en fixin screws used on e able side and bed side are no idenical, fasen em all o e smaller ienin orque =0.102kf=0.2248lbs. 20

10 ounin ounin of CRG series and CRG series Typical mounin srucure is sown in i. 14. or mounin a is poin, enerally follow e procedure below. ixin-side way Bed-side way Bed-side way Preload-adjusmenside way ounin of bed-side way Properly alin e way wi mounin surface and emporarily ien fixin screws evenly o e ienin orque. ile makin e way sickin o B surface (refer o i. 15) i, fully ien e screws o e specified orque. en i runnin accuracy is required, fully and evenly ien em o e specified orque wile ceckin e parallelism of e raceway alon e full len of e way. Typical ienin orque for fixin screw is accordin o Table 10 in pae -20. Posiion e able-side way in e sroke end posiion. (Refer o i. 19) ae e pinion ear a e cener of e cae and e rack of e able-side way. Temporarily ien e able fixin screws. (Refer o i. 22) Preload adjusin screw i. 14 ounin example of CRG and CRG Preparaion for mounin Producs are packed by se (4 ways an pairs of roller caes). Be careful no o mix wi oer ses. Remove end screws and end sopper, clean up eac par wi clean was fluid and en apply rus prevenion and lubricaion oil. Cleanup of mounin surface Remove burrs and blemises on e macine mounin surface wi an oil-sone, ec. Be careful abou corner roove on e mounin surface, oo. ipe off dus and dir wi clean clo and apply rus prevenion and lubricaion oil lily. i. 16 ccuracy of way mounin i. 19 Posiion e able-side way approximaely in e sroke cener posiion. (Refer o i. 20) i. 22 ully sroke e able sofly and ceck a i is wiin e sroke rane used and cylindrical rollers on bo ends of e cae do no conac wi end screws of e way. If ey make conac, ake e procedure aain. (Refer o i. 23) Corner roove Corner roove ounin surface C ounin surface ounin surface i. 17 i. 20 ounin surface B ounin surface B ounin surface ounin surface Corner roove Operaion of able and bed Posiion e roller caes a e sroke end posiions of e bed-side way. (Refer o i. 18) ae e pinion ear a e cener of e cae and e rack of e way. is poin, be careful no o deform e cae. Posiion e able wile oldin e way o preven i from movin. (Refer o i. 21) i. 23 i. 15 ounin surface i. 21 i =0.102kf=0.2248lbs. 22

11 ounin Preload adjusmen Preload adjusmen is performed wi fixin screws of e able-side way iened emporarily. Preload adjusmen is sared from e preload adjusin screw a e cener of way len and en bo ends in urn. ile measurin e clearance on e able sides, ien e preload adjusin screws subsequenly unil deflecion of e dial aue sops. easure e ienin orque for preload adjusin screws a is poin. en adjusin preload adjusin screw near eier end, sroke e able sofly and ceck a e cylindrical roller is on e preload adjusin screw secion. fer e above procedure, e clearance becomes zero or in sli preload sae, bu preload is sill no adjused evenly. i e same procedure aain, re-adjus all e preload adjusin screws evenly o e orque previously measured. i. 24 xample of preload adjusmen meod ull ienin of preload-adjusmen-side way ixin screws are lily iened o even orque. s wi preload adjusin screws, emporarily fix em o orque similar o e specified orque in urn from e way cener o bo ends. en ienin fixin screws near eier end, sroke e able sofly and ceck a e cylindrical roller is on fixin screw secion. inally wi e same procedure, fully ien all e fixin screws evenly o e specified orque. Ceck afer assembly ully sroke e able sofly and ceck a runnin is smoo wiou abnormal noise. easure e able upper and side surfaces wi dial aue or e like and ceck e runnin accuracy. ounin of sandard ype CR series Typical mounin srucure is sown in i. 26. or mounin a is poin, enerally follow e procedure below. ixin-side way Bed-side way Bed-side way i. 26 ounin example of sandard ype CR series Preparaion for mounin Producs are packed by se (4 ways an pairs of roller caes). Be careful no o mix wi oer ses. Remove end screws and end sopper, clean up eac par wi clean was fluid and en apply rus prevenion and lubricaion oil. Cleanup of mounin surface Remove burrs and blemises on e macine mounin surface wi an oil-sone, ec. Be careful abou corner roove on e mounin surface, oo. ipe off dus and dir wi clean clo and apply rus prevenion and lubricaion oil lily. Corner roove Corner roove i. 27 ounin surface Preload-adjusmenside way ounin surface C ounin surface ounin surface ounin surface B ounin surface Corner roove ounin surface B ounin surface Preload adjusin screw ounin of bed-side way Properly alin e way wi mounin surface and emporarily ien fixin screws evenly o e ienin orque. ile makin e way sickin o B surface (refer o i. 27) i, fully ien e screws o e specified orque. en i runnin accuracy is required, fully and evenly ien em o e specified orque wile ceckin e parallelism of e raceway alon e full len of e way. Typical ienin orque for fixin screw is accordin o Table 10 in pae -20. i. 28 ccuracy of way mounin ounin of able-side way Properly alin e fixin-side way wi mounin surface and emporarily ien fixin screws evenly o e ienin orque. ile makin e fixin-side way sickin o C surface i, fully ien e screws o e specified orque. Se back e preload adjusin screws in advance, make e preload-adjusin-side way sickin o e mounin surface, and en emporarily ien fixin screws lily o e even orque. C surface ixin-side way i. 29 ounin of able-side way Preload-adjusmen-side way Preload adjusin screw Operaion of able and bed ake alinmen of e posiion in ei and cross direcion so a e roller cae can be insered beween e able-side way and bed-side way. Carefully inser e roller cae and assembly i a approximae cener of e way len. is poin, be careful no o deform e cae. oun end screws and end sopper of eac way. Pus e enire able aains e preload adjusin screws and ien e preload adjusin screws o make emporary adjusmen unil e clearance beween ways becomes zero. ully sroke e able sofly and correc e roller cae posiion o e cener. i. 30 Posiion alinmen before operaion Preload adjusmen Preload adjusmen is performed wi fixin screws of e preload-adjusin-side way iened emporarily. Preload adjusmen is sared from e preload adjusin screw a e cener of way len and en bo ends in urn. ile measurin e clearance on e able sides, ien e preload adjusin screws subsequenly unil deflecion of e dial aue sops. easure e ienin orque for preload adjusin screws a is poin. en adjusin preload adjusin screw near eier end, sroke e able sofly and ceck a e cylindrical roller is on e preload adjusin screw secion. fer e above procedure, e clearance becomes zero or in sli preload sae, bu preload is sill no adjused evenly. i e same procedure aain, re-adjus all e preload adjusin screws evenly o e orque previously measured. i. 31 xample of preload adjusmen meod i. 25 ccuracy ceck afer assembly 23 1=0.102kf=0.2248lbs. 24

12 ounin ull ienin of preload-adjusmen-side way ixin screws are lily iened o even orque. s wi preload adjusin screws, emporarily fix em o orque similar o e specified orque in urn from e way cener o bo ends. en ienin fixin screws near eier end, sroke e able sofly and ceck a e cylindrical roller is on fixin screw secion. inally wi e same procedure, fully ien all e fixin screws evenly o e specified orque. Ceck afer assembly ully sroke e able sofly and ceck a runnin is smoo wiou abnormal noise. easure e able upper and side surfaces wi dial aue or e like and ceck e runnin accuracy. ounin of module ype CR series Typical mounin srucure of CR is sown in i. 33. or mounin a is poin, enerally follow e procedure below. ixin-side way Cener way Preload-adjusmenside way Preload adjusin screw Processin of dowel pin ole en dowel pins are used, macine oles on e bed in alinmen wi dowel pin oles near eier end of e cener way. Dowel pin ole of e cener way is finised for 7. inis bed oles in e same way. Diameer and is allowance of dowel pin ole of e cener way vary dependin on e dimension able. liminae cuin cips and clean up aain as necessary. en macines for mounin of e cener way are lare, clean em up wi e cener way removed and en reassemble. oad e dowel pins and ceck e parallelism of e reference surface of e runnin parallelism and e raceway of e cener way aain. ain marks module ype CR series CR as main marks o ensure e bes runnin accuracy afer mounin based on e parallelism measuremen resul of reference mounin surface and raceway. en assemblin e ways, alin e main marks of ways wi e same end side as indicaed in i. 36. ain mark Cener way i. 33 xample of mounin of CR ain mark i. 32 ccuracy ceck afer assembly Preparaion for mounin Crossed Roller ay is packed by se (1 cener way, 2 ways an pairs of roller caes). Be careful no o mix wi oer ses. Remove end screws and end sopper, clean up eac par wi clean was fluid and en apply rus prevenion and lubricaion oil. i. 36 ain marks of CR Cleanup of mounin surface Remove burrs and blemises on e macine mounin surface wi an oil-sone, ec. Be careful abou corner roove on e mounin surface, oo. ipe off dus and dir wi clean clo and apply rus prevenion and lubricaion oil lily. i. 35 acinin of dowel pin ole ounin of able-side way ollow e mounin of sandard ype CR series. ounin of cener way Rouly alin e cener way o e mounin surface and lily fix i wi fixin screws. ile measurin mounin parallelism of e cener way and raceway o e reference surface of runnin parallelism for posiion correcion, emporarily ien e fixin screws o e even ienin orque. venly ien all e fixin screws o e specified ienin orque. Operaion of able and bed ollow e mounin of sandard ype CR series. Preload adjusmen ollow e mounin of sandard ype CR series. ull ienin of preload-adjusmen-side way ollow e mounin of sandard ype CR series. Ceck afer assembly ollow e mounin of sandard ype CR series. Runnin parallelism reference surface i. 34 ounin accuracy ceck for cener way 25 1=0.102kf=0.2248lbs. 26

13 ni-creep Cae Crossed Roller ay CRG Size n R e p Z umber of rollers D Idenificaion number CRG ass (Ref.) ominal dimensions mm aximum sroke len ay 1 Roller cae 2 Boundary dimensions Dimension of roller cae ounin dimensions n D R Z p e mm CRG Basic dynamic C Basic saic C 0 llowable load CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG oes 1 Te value sows e mass of a piece of way. 2 Te value sows e mass of a roller cae. Tis is e value wen a combinaion of four ways and wo roller caes is used in parallel arranemen. 27 1=0.102kf=0.2248lbs. 28

14 ni-creep Cae Crossed Roller ay CRG Size n R e p Z umber of rollers D Idenificaion number CRG ass (Ref.) ominal dimensions mm aximum sroke len ay 1 Roller cae 2 Boundary dimensions Dimension of roller cae ounin dimensions n D R Z p e mm CRG Basic dynamic C Basic saic C 0 llowable load CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG oes 1 Te value sows e mass of a piece of way. 2 Te value sows e mass of a roller cae. Tis is e value wen a combinaion of four ways and wo roller caes is used in parallel arranemen. 29 1=0.102kf=0.2248lbs. 30

15 ni-creep Cae Crossed Roller ay CRG Size n R e p Z umber of rollers D Idenificaion number CRG ass (Ref.) ominal dimensions mm aximum sroke len ay 1 Roller cae 2 Boundary dimensions Dimension of roller cae ounin dimensions n D R Z p e mm CRG Basic dynamic C Basic saic C 0 llowable load CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG CRG oes 1 Te value sows e mass of a piece of way. 2 Te value sows e mass of a roller cae. Tis is e value wen a combinaion of four ways and wo roller caes is used in parallel arranemen. 31 1=0.102kf=0.2248lbs. 32

16 Crossed Roller ay Sandard ype Size CR CRS n e p R Z umber of rollers D Idenificaion number CR 1-20 ay 1 k/m ass (Ref.) ominal dimensions mm Basic dynamic Boundary dimensions Dimension of roller cae ounin dimensions Roller cae 2 CR 1-20 S CR 1-30 CR 1-30 S CR 1-40 CR 1-40 S CR 1-50 CR 1-50 S CR 1-60 CR 1-60 S CR 1-70 CR 1-70 S CR 1-80 CR 1-80 S oes 1 Te value sows e mass per meer of a way. 2 Te value sows e mass of a roller cae wi en cylindrical rollers. Te value sows e load of a cylindrical roller. n D R Z p e C U Basic saic C 0U llowable load U 33 1=0.102kf=0.2248lbs. 34

17 Crossed Roller ay Sandard ype Size CR CRS n e p R Z umber of rollers D Idenificaion number CR 2-30 ass (Ref.) ominal dimensions mm Basic dynamic Boundary dimensions Dimension of roller cae ounin dimensions ay 1 Roller cae 2 C 3 U n D R Z p e k/m CR 2-30 S CR 2-45 CR 2-45 S CR 2-60 CR 2-60 S CR 2-75 CR 2-75 S CR 2-90 CR 2-90 S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S oes 1 Te value sows e mass per meer of a way. 2 Te value sows e mass of a roller cae wi en cylindrical rollers. Te value sows e load of a cylindrical roller Basic saic C 0U llowable load U 35 1=0.102kf=0.2248lbs. 36

18 Crossed Roller ay Sandard ype Size CR CRS n e p R Z umber of rollers D Idenificaion number CR 3-50 ay 1 k/m ass (Ref.) ominal dimensions mm Basic dynamic Boundary dimensions Dimension of roller cae ounin dimensions Roller cae 2 CR 3-50 S CR 3-75 CR 3-75 S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S oes 1 Te value sows e mass per meer of a way. 2 Te value sows e mass of a roller cae wi en cylindrical rollers. Te value sows e load of a cylindrical roller. n D R Z p e C U Basic saic C 0U llowable load U 37 1=0.102kf=0.2248lbs. 38

19 Crossed Roller ay Sandard ype Size CR CRS n e p R Z umber of rollers D Idenificaion number CR 4-80 ay 1 k/m ass (Ref.) ominal dimensions mm Basic dynamic Boundary dimensions Dimension of roller cae ounin dimensions Roller cae 2 CR 4-80 S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S oes 1 Te value sows e mass per meer of a way. 2 Te value sows e mass of a roller cae wi en cylindrical rollers. Te value sows e load of a cylindrical roller. n D R Z p e C U Basic saic C 0U llowable load U 39 1=0.102kf=0.2248lbs. 40

20 Crossed Roller ay Sandard ype Size CR CRS n e p R Z umber of rollers D Idenificaion number CR ay 1 k/m ass (Ref.) ominal dimensions mm Basic dynamic Boundary dimensions Dimension of roller cae ounin dimensions Roller cae 2 CR S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S CR CR S oes 1 Te value sows e mass per meer of a way. 2 Te value sows e mass of a roller cae wi en cylindrical rollers. Te value sows e load of a cylindrical roller. n D R Z p e C U Basic saic C 0U llowable load U 41 1=0.102kf=0.2248lbs. 42

21 Crossed Roller ay Sandard ype CR Size n e p R Z umber of rollers D Idenificaion number CR ay 1 k/m ass (Ref.) ominal dimensions mm Basic dynamic Boundary dimensions Dimension of roller cae ounin dimensions Roller cae 2 n D R Z p e CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR oes 1 Te value sows e mass per meer of a way. 2 Te value sows e mass of a roller cae wi en cylindrical rollers. Te value sows e load of a cylindrical roller. C U Basic saic C 0U llowable load U 43 1=0.102kf=0.2248lbs. 44

22 Crossed Roller ay Sandard ype CR Size n e p R Z umber of rollers D Idenificaion number CR * ay 1 k/m ass (Ref.) ominal dimensions mm Basic dynamic Boundary dimensions Dimension of roller cae ounin dimensions Roller cae 2 n D R Z p e CR * CR * CR * CR * CR * CR * CR * CR * CR * CR * CR * CR * CR * CR * CR * CR * CR * CR * CR * oes 1 Te value sows e mass per meer of a way. 2 Te value sows e mass of a roller cae wi en cylindrical rollers. Te value sows e load of a cylindrical roller. Remark: Te idenificaion numbers wi * are our semi-sandard iems. C U Basic saic C 0U llowable load U 45 1=0.102kf=0.2248lbs. 46

23 Crossed Roller ay Sandard ype CR Size n e p R Z umber of rollers D Idenificaion number CR * ay 1 k/m ass (Ref.) ominal dimensions mm Basic dynamic Boundary dimensions Dimension of roller cae ounin dimensions Roller cae 2 n D R Z p e CR * CR * CR * CR * CR * CR * CR * CR * oes 1 Te value sows e mass per meer of a way. 2 Te value sows e mass of a roller cae wi en cylindrical rollers. Te value sows e load of a cylindrical roller. Remark: Te idenificaion numbers wi * are our semi-sandard iems. C U Basic saic C 0U llowable load U 47 1=0.102kf=0.2248lbs. 48

24 Crossed Roller ay odule ype Size CR n 1 D Dowel pin ole i i e p R Z umber of rollers D Idenificaion number CR 1-20 ay 1 k/m ass (Ref.) ominal dimensions and olerances mm Basic dynamic Boundary dimensions Dimension of roller cae ounin dimensions Roller cae 2 n i D R Z p e D Dim. D olerance CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR oes 1 Te value sows e oal mass per meer of a se of ree ways. 2 Te value sows e mass of a roller cae wi en cylindrical rollers. Te value sows e load of a cylindrical roller C U Basic saic C 0U llowable load U =0.102kf=0.2248lbs. 50

25 Crossed Roller ay odule ype Size CR n 1 D Dowel pin ole i i e p R Z umber of rollers D Idenificaion number CR 3-50 ay 1 k/m ass (Ref.) ominal dimensions and olerances mm Basic dynamic Boundary dimensions Dimension of roller cae ounin dimensions Roller cae 2 n i D R Z p e D Dim. D olerance CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR CR oes 1 Te value sows e oal mass per meer of a se of ree ways. 2 Te value sows e mass of a roller cae wi en cylindrical rollers. Te value sows e load of a cylindrical roller C U Basic saic C 0U llowable load U =0.102kf=0.2248lbs. 52

26 Crossed Roller ay odule ype Size CR 4 1 n 1 D Dowel pin ole i i e p R Z umber of rollers D Idenificaion number CR 4-80* ay 1 k/m ass (Ref.) ominal dimensions and olerances mm Basic dynamic Boundary dimensions Dimension of roller cae ounin dimensions Roller cae 2 n i D R Z p e D Dim. D olerance CR 4-120* CR 4-160* CR 4-200* CR 4-240* CR 4-280* CR 4-320* CR 4-360* CR 4-400* CR 4-440* CR 4-480* oes 1 Te value sows e oal mass per meer of a se of ree ways. 2 Te value sows e mass of a roller cae wi en cylindrical rollers. Te value sows e load of a cylindrical roller. Remark: Te idenificaion numbers wi * are our semi-sandard iems C U Basic saic C 0U llowable load U =0.102kf=0.2248lbs. 54

27 ni-creep Cae Crossed Roller ay Uni CRUG Idenificaion umber and Specificaion xample of an idenificaion number Te specificaion of CRUG and CRU series is indicaed by e idenificaion number. Indicae e idenificaion number, consisin of a model code, dimensions for eac specificaion o apply CRUG series CRUG Rack Roller cae Cylindrical rollers Cae CRU series CRU R Cener way nd sopper Sopper Table Preload adjusin screw 1 odel odel code 2 id Pae 57 Pinion ear Rack 3 en Dimensions Pae 57 ay for able nd screw Bed Crossed Roller ay Uni CRU Poins i riidiy and i accuracy 1 Since CRG or CR wi excellen load balance is incorporaed wi rounded i riidiy able and bed, elasic deformaion is small for load in every direcion, leadin o ily accurae and sable linear moion. 3 ide variaion Tree ypes of CRU wi differen secional sapes are available wi many size variaions. You can selec an opimal linear busin for e specificaions of your macine and device. Solves 2 cae creep issue s CRG wi cae creep proof funcion is incorporaed wi CRUG, ere is no risk of cae creep and i works reliable in i-speed and i-ac operaion, or in verical axis. 4 asy mounin ounin surface is precisely rounded. In addiion, female screws and borin are used for able and bed, respecively o ensure appropriae preload sae. Terefore, ily reliable linear moion can be acieved jus by fiin em o e macine and device. 55 1=0.102kf=0.2248lbs. 56