LM Guide THK - Industrial Technologies

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Индастриал Технолоджис www.industrial‐technologies.com.ua +38 044 498 21 94Models SNR-LRH/SNS-LRH (Build to Order) Specification TableB1-34/B1-36The LM block has the same cross-sectionalshape as models SNR-RH/SNS-RH, but has alonger overall LM block length (L) and a greaterrated load.Models SNR-LCH/SNS-LCH (Build to Order) Specification TableB1-38/B1-40The LM block has the same cross-sectionalshape as models SNR-CH/SNS-CH, but has alonger overall LM block length (L) and a greaterrated load.Industrial TechnologiesA1-128
Индастриал Технолоджис www.industrial‐technologies.com.ua +38 044 498 21 94Features of Each ModelUltra-heavy Load Type for Machine Tools Model SNR/SNSRated Loads in All DirectionsModel SNR/SNS is capable of receiving loads infour directions: radial, reverse radial and lateraldirections. Their basic dynamic load ratings arerepresented by the symbols in the radial directionindicated in Fig.1, and the actual values areprovided in the specification tables for SNR/SNS. The values in the reverse radial and lateraldirections are obtained from Table1 andTable2 below.Table1 Basic Load Ratings of Model SNR in All DirectionsSNRDirection Basic dynamic Basic staticload rating load ratingRadial direction C C0Reverse radial direction CL=0.64C C0L=0.64C0Lateral directions CT=0.47C C0T=0.38C0Equivalent LoadWhen the LM block of model SNR receives a reverse radial load and a lateral load simultaneously,the equivalent load is obtained from the equation below.PE X•PL Y•PTTable3 Equivalent Factor of Model SNRPE X YPE : Equivalent load (N) Equivalent load in reverse1 1.678: Reverse radial directionradial directionEquivalent load in lateral: Lateral direction0.596 1directionPL : Reverse radial load (N)PT : Lateral load (N)X, Y : Equivalent factor (see Table3)When the LM block of model SNS receives a radial load and a lateral load, or a reverse radial loadand a lateral load, simultaneously, the equivalent load is obtained from the equation below.PEX•PR (PL)Y•PTPE : Equivalent load (N): Radial direction: Reverse radial direction: Lateral directionPR : Radial load (N)PL : Reverse radial load (N)PT : Lateral load (N)X, Y : Equivalent factor(see Table4 and Table5)CTC0TPTPLCLC0LFig.1Table2 Basic Load Ratings of Model SNS in All DirectionsSNSDirection Basic dynamic Basic staticload rating load ratingRadial direction C C0Reverse radial direction CL=0.84C C0L=0.84C0Lateral directions CT=0.84C C0T=0.84C0Table4 Equivalent Factor of Model SNS(When radial and lateral loads are applied)PE X YEquivalent load in theradial direction1 0.935Equivalent load in lateraldirection1.07 1Table5 Equivalent Factor of Model SNS(When reverse radial load and lateral load are applied)PE X YEquivalent load in reverseradial direction1 1.02Equivalent load in lateraldirection0.986 1CC0PRCTC0TPTLM GuideIndustrial TechnologiesA1-129
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