LM Guide Model HR

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www.thk.ru thk-mail@ya.ru Тел. (495) 727-22-72Dust Prevention AccessoriesWhen foreign matter enters an LM system, it will cause abnormal wear or shorten the service life. Itis necessary to prevent foreign matter from entering the system. Therefore, when possible entranceof foreign matter is predicted, it is important to select an effective sealing device or dust-preventiondevice that meets the working conditions.12End sealUsed in locations exposed todust.End sealDust Prevention MethodDedicated C-capIt prevents cutting chips fromentering the LM rail mountingholes.DHz SealsHighly wear-resistant end seals made of special syntheticrubber are available.If desiring a dust-prevention accessory, specify it with thecorresponding symbol indicated in table 2.For the supported model numbers for dust-prevention accessoriesand the overall LM block length with a dust-prevention accessoryattached (dimension L), see table 3.Seal resistance valueFor the maximum seal resistancevalue per LM block when a lubricantis applied on seals HR … UU, referto the corresponding value providedin table 1.Table 2 Symbol of Dust PreventionAccessory for Model HRSymbolUUDust prevention accessoryWith end sealTable 3 Overall LM Block Length (Dimension L) of Model HR with aDust Prevention Accessory AttachedUnit: mmModel No.9181123153020422042T25552555T30653065Tx Dedicated C-cap for LM Rail Mounting HolesIf any of the LM rail mounting holes of an LM Guide isfilled with cutting chips or foreign matter, they may enterthe LM block structure. Entrance of such foreign mattercan be prevented by covering each LM rail mounting holewith the dedicated cap so that the top of the mountingholes is on the same level as the LM rail top face.The dedicated C-cap for LMrail mounting holes is highlydurable since it uses aspecial synthetic resin withhigh oil resistance and highwear resistance.When placing an order,specify the desired cap typewith the corresponding capnumber indicated in thetable on the right.UU45.052.069.091.6110.7121.0146.4145.0173.5Model No.112315302042255530653575408550105Table 1 Maximum Seal Resistance Valueof Seals HR … UU Unit: NC-capmodel No.Model No.91811231530204225553065357540855010560125Model No.35753575T40854085T5010550105T60125Bolt usedSeal resistance value0.50.71.02.02.93.43.94.45.99.8UU154.8182.5177.8215.9227.0274.5329.0Major dimensions mmD HC 3 M 3 6.3 1.2C 3 M 3 6.3 1.2C 5 M 5 9.8 2.4C 8 M 8 14.4 3.7C 8 M 8 14.4 3.7C10 M10 18.0 3.7C12 M12 20.5 4.7C16 M16 26.5 5.7
www.thk.ru thk-mail@ya.ru Тел. (495) 727-22-72LubricationThe LM block has a greasing hole in the center of its top face.To provide lubrication through this hole, the table must bemachined to also have a greasing hole as shown in thefigure on the right and attach a grease nipple or the like.When using oil lubrication, it is necessary to identify thelubrication route. Contact THK for details.TableExample of Machining a Greasing HoleDedicated Mounting BoltNormally, when mounting the LM block with which toadjust a clearance, use the tapped hole provided on theLM block to secure it as shown in Fig. 1.In this case, the hole must be machined so that itsdiameters d1 and D1 are larger by the adjustmentallowance.If it is inevitable to use the mounting method as indicated byFig. 2 for a structural reason. The dedicated mounting bolt asshown in Fig. 3 is required for securing the LM block. Besure to specify that the dedicated mounting bolt isrequired when ordering the LM Guide.Dedicated Mounting BoltFig. 1Dedicated Mounting BoltModel No.B 3B 5B 6B 8B10B12B14B16SM3M5M6M8M10M12M14M16d2.44.14.96.68.310.111.813.8D5.58.510.013.016.018.021.024.0H356810121416L1722283439455566R5791215182124Unit: mmSupported modelHR 1530HR 2042HR 2555HR 3065HR 3575HR 4085HR 50105HR 60125Fig. 2RFig. 3
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LM Guide Model HR

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