LM Guide THK - Industrial Technologies

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Индастриал Технолоджис www.industrial‐technologies.com.ua +38 044 498 21 94Rated Loads in All DirectionsModel RSH is capable of receiving loads in fourdirections: radial, reverse radial and lateraldirections.The basic load ratings of models RSH7 and 9are uniform in the four directions (radial, reverseradial and lateral directions), and their actualvalues are provided in the specification table forRSH.The basic load ratings of model RSH12 indicatethe values in the radial direction in Fig.1, andtheir actual values are provided in the specificationtable for RSH. The values in the reverseradial and lateral directions are obtained fromTable1 below.Equivalent LoadWhen the LM block of models RSH7 and 9 receives loads in all four directions simultaneously, theequivalent load is obtained from the equation below.PEPRPLPTPE : Equivalent load (N): Radial direction: Reverse radial direction: Lateral directionPR : Radial load (N)PL : Reverse radial load (N)PT : Lateral load (N)When the LM block of model RSH12 receives loads in the radial and lateral directions, or the reverseradial and lateral directions, simultaneously, the equivalent load is obtained from the equation below.Table2 Equivalent Factor of Model RSH12PE X•PR PL Y•PT(when radial and lateral loads are applied)PE : Equivalent load (N)PE X Y: Radial directionEquivalent load1 0.83in the radial direction: Reverse radial directionEquivalent load: Lateral direction1.2 1in lateral directionPR : Radial load (N)PL : Reverse radial load (N)PT : Lateral load (N)X, Y : Equivalent factor(see Table2 and Table3)PTPLFig.1Table1 Basic Load Ratings of Model RSH12 in All DirectionsDirectionBasic dynamic Basic staticload rating load ratingRadial direction C C0Reverse radialdirectionCL=0.78C C0L=0.70C0Lateral directions CT=0.78C C0T=0.71C0PRPTTable3 Equivalent Factor of Model RSH12(when reverse radial and lateral loads are applied)PE X YEquivalent loadin reverse radial direction1 0.99Equivalent load in lateraldirection1.01 1Industrial TechnologiesA1-198
Индастриал Технолоджис www.industrial‐technologies.com.ua +38 044 498 21 94Features of Each ModelMiniature Type (with a Ball Retainer) Model RSHService LifeFor details,see A1-76.Radial Clearance StandardFor details,see A1-90.Accuracy StandardsFor details,see A1-101.Shoulder Height of the Mounting Base and the Corner RadiusFor details,see A1-314.Error Allowance in the Parallelism between Two RailsFor details,see A1-316.Error Allowance in Vertical Level between Two RailsFor details,see A1-319.Accuracy of the Mounting SurfaceModel RSH uses Gothic arch grooves in the ball raceways. When two rails are used in parallel, errorin accuracy of the mounting surface may increase rolling resistance and negatively affect the smoothmotion of the guide. For specific accuracy of the mounting surface, see Permissible Error of theMounting Surface on A1-315.Flatness of the Mounting SurfaceFor details,see A1-317.LM GuideIndustrial TechnologiesA1-199
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LM Guide THK - Industrial Technologies

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