HSR-M1. LM Guide High Temperature Type Model HSR-M1. Point of Selection. Point of Design. Options. Model No. Precautions on Use
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1 LM Guide High Temperature Type Model Endplate SUS304 End seal (High temperature rubber material) LM THK-EX50 Ball SUS440C Side seal (High temperature rubber material) LM rail THK-EX50 Cross section Point of Selection A Point of Design Options Model No. Precautions on Use Accessories for Lubrication A Mounting Procedure and Maintenance B Equivalent moment factor A Rated Loads in All Directions A Equivalent factor in each direction A Radial Clearance A Accuracy Standards A Shoulder Height of the Mounting Base and the Corner Radius Permissible Error of the Mounting Surface Dimensions of Each Model with an Option Attached
2 Structure and Features Balls roll in four rows of raceways precision-ground on an LM rail and an LM, and endplates incorporated in the LM allow the balls to circulate. Each row of balls is placed at a contact angle of 45 so that the rated loads applied to the LM are uniform in the four directions (radial, reverse radial and lateral directions), enabling the LM Guide to be used in all orientations. The high temperature type LM Guide is capable of being used at service temperature up to 150 thanks to THK s unique technologies in material, heat treatment and lubrication. Maximum Service Temperature: 150 Use of stainless steel in the endplates and high temperature rubber in the end seals achieves the maximum service temperature of 150. LM Guide Dimensional Stability Since it is dimensionally stabilized, it demonstrates superb dimensional stability after being heated or cooled (note that it shows linear expansion at high temperature). Highly Corrosion Resistant Since the LM, LM rail and balls use stainless steel, which is highly corrosion resistant, this model is optimal for clean room applications. High Temperature Grease This model uses high temperature grease that shows little grease-based fl uctuation in rolling resistance even if temperature changes from low to high levels.
3 Dimensional Stability Data Since this model has been treated for dimensional stability, its dimensional change after being cooled or heated is only minimal. Dimensional change (mm) High Standard temperature type type Stainless steel type Dimensional change (mm) High temperature type Vertical Horizontal Standard type Stainless steel type Overall LM Rail Length Curvature of the LM Rail Note1) The above data on overall length and curvature indicate dimensional change when the LM rail is cooled to normal temperature after being heated at 150 for 100 hours. Note2) The samples consist of high temperature, standard and stainless steel types of model HSR L. Rolling Resistance Data in Relation to Grease Use a high temperature grease with which the rolling resistance of the LM system little fl uctuates even temperature changes from a normal to high range. Average value (N) Normal temperature THK s high temperature grease Competitor s high temperature grease Temperature measurement Average Value 150 Fluctuation value (N) Normal temperature THK s high temperature grease Competitor s high temperature grease Temperature measurement Fluctuation Value 150 For the measurements above, model HSR25M1R1C1 is used. Thermal Characteristics of LM Rail and LM Block Materials Specifi c heat capacity: J/(g K) Thermal conductivity: W/(m K) Average coefficient of linear expansion: /
4 Types and Features Model A The flange of its LM has tapped holes. Specification Table LM Guide Model LA The LM has the same cross-sectional shape as model A, but has a longer overall LM length (L) and a greater rated load. Specification Table Model B The fl ange of the LM has through holes. Used in places where the table cannot have through holes for mounting bolts. Specification Table Model LB The LM has the same sectional shape as model B, but has a longer overall LM length (L) and a greater rated load. Specification Table
5 Model R With this type, the LM has a smaller width (W) and tapped holes. Used in places where the space for table width is limited. Specification Table Model LR The LM has the same sectional shape as model R, but has a longer overall LM length (L) and a greater rated load. Specification Table Model YR When using two units of LM Guide facing each other, the previous model required much time in machining the table and had diffi culty achieving the desired accuracy and adjusting the clearance. Since model YR has tapped holes on the side of the LM, a simpler structure is gained and significant man-hour cutting and accuracy increase can be achieved. Specification Table Fig.1 Conventional Structure Fig.2 Mounting Structure for Model YR Service Life When using this product in temperatures higher than 100 C, always multiply the basic dynamic load rating by the temperature coefficient when calculating the rated service life. See A for details.
6 LM Guide
7 Models A and LA W 4-S B M T1 T K H3 W2 W1 Outer dimensions LM dimensions Model No. Height Width Length Grease nipple Model number coding M W L B C S L 1 T T 1 K N E H 3 HSR 15M1A M PB1021B 4.7 HSR 20M1A HSR 20M1LA HSR 25M1A HSR 25M1LA HSR 30M1A HSR 30M1LA HSR 35M1A HSR 35M1LA M M M M B-M6F B-M6F B-M6F B-M6F 7.5 Note) The length L of the high temperature type LM Guide model HSR is longer than normal type of model HSR. (Dimension L 1 is the same.) HSR25 M1 A 2 UU C L P T - Model number Symbol for high temperature type LM Guide Type of LM Contamination protection accessory symbol (*1) No. of LM s used on the same rail LM rail length (in mm) Radial clearance symbol (*2) Normal (No symbol) Light preload (C1) Medium preload (C0) Symbol for LM rail jointed use Symbol for No. of rails used on the same plane (*4) Accuracy symbol (*3) Normal grade (No Symbol)/High accuracy grade (H) Precision grade (P)/Super precision grade (SP) Ultra precision grade (UP) (*1) See contamination protection accessory on. (*2) See A. (*3) See A. (*4) See A. Note) This model number indicates that a single-rail unit constitutes one set. (i.e., required number of sets when 2 rails are used in parallel is 2 at a minimum.)
8 E L L1 C M1 h φ d2 N LM Guide φ d1 F LM rail dimensions Basic load rating Static permissible moment kn-m Mass Unit: mm Width Height Pitch Length C C 0 M A M B M C LM LM rail W W 2 M 1 F d 1 d 2 h Max kn kn 1 Double s 1 Double s Note) The maximum length under Length indicates the standard maximum length of an LM rail. (See.) Static permissible moment : 1 : static permissible moment value with 1 LM Double s: static permissible moment value with 2 s closely contacting with each other kg kg/m Options
9 Models B and LB 4-φ H W B 4-φ H W B M t T T1 K M T1 T K H3 H3 W2 W1 W2 W1 Models HSR15, 25 to 35M1B/M1LB Models HSR20M1B/M1LB Outer dimensions LM dimensions Model No. Height Width Length Grease nipple Model number coding M W L B C H L 1 t T T 1 K N E H 3 HSR 15M1B PB1021B 4.7 HSR 20M1B HSR 20M1LB HSR 25M1B HSR 25M1LB HSR 30M1B HSR 30M1LB HSR 35M1B HSR 35M1LB B-M6F B-M6F B-M6F B-M6F 7.5 Note) The length L of the high temperature type LM Guide model HSR is longer than normal type of model HSR. (Dimension L 1 is the same.) HSR20 M1 LB 2 UU C L P T - Model number Symbol for high temperature type LM Guide Type of LM Contamination protection accessory symbol (*1) No. of LM s used on the same rail LM rail length (in mm) Radial clearance symbol (*2) Normal (No symbol) Light preload (C1) Medium preload (C0) Symbol for LM rail jointed use Symbol for No. of rails used on the same plane (*4) Accuracy symbol (*3) Normal grade (No Symbol)/High accuracy grade (H) Precision grade (P)/Super precision grade (SP) Ultra precision grade (UP) (*1) See contamination protection accessory on. (*2) See A. (*3) See A. (*4) See A. Note) This model number indicates that a single-rail unit constitutes one set. (i.e., required number of sets when 2 rails are used in parallel is 2 at a minimum.)
10 E L L1 C M1 h φ d2 N LM Guide φ d1 F LM rail dimensions Basic load rating Static permissible moment kn-m Mass Width Height Pitch Length C C 0 W W 2 M 1 F d 1 d 2 h Max kn kn M A M B M C LM 1 Double s 1 Double s 1 Unit: mm Note) The maximum length under Length indicates the standard maximum length of an LM rail. (See.) Static permissible moment : 1 : static permissible moment value with 1 LM Double s: static permissible moment value with 2 s closely contacting with each other kg LM rail kg/m Options
11 Models R and LR 4-S l W B T M K H3 W2 W1 Outer dimensions LM dimensions Model No. Height Width Length Grease nipple M W L B C S l L 1 T K N E H 3 HSR 15M1R M PB1021B 4.7 HSR 20M1R HSR 20M1LR M B-M6F 4 HSR 25M1R HSR 25M1LR M B-M6F 5.5 HSR 30M1R HSR 30M1LR M B-M6F 7 HSR 35M1R HSR 35M1LR M B-M6F 7.5 Note) The length L of the high temperature type LM Guide model HSR is longer than normal type of model HSR. (Dimension L 1 is the same.) Model number coding HSR35 M1 R 2 UU C L P T - Model number Symbol for high temperature type LM Guide Type of LM Contamination protection accessory symbol (*1) No. of LM s used on the same rail LM rail length (in mm) Radial clearance symbol (*2) Normal (No symbol) Light preload (C1) Medium preload (C0) Symbol for LM rail jointed use Symbol for No. of rails used on the same plane (*4) Accuracy symbol (*3) Normal grade (No Symbol)/High accuracy grade (H) Precision grade (P)/Super precision grade (SP) Ultra precision grade (UP) (*1) See contamination protection accessory on. (*2) See A. (*3) See A. (*4) See A. Note) This model number indicates that a single-rail unit constitutes one set. (i.e., required number of sets when 2 rails are used in parallel is 2 at a minimum.)
12 E L L1 C M1 h φ d2 N LM Guide φ d1 F Unit: mm LM rail dimensions Basic load rating Static permissible moment kn-m Mass Width Height Pitch Length C C 0 M A M B M C LM LM rail W W 2 M 1 F d 1 d 2 h Max kn kn 1 Double s 1 Double s Note) The maximum length under Length indicates the standard maximum length of an LM rail. (See.) Static permissible moment : 1 : static permissible moment value with 1 LM Double s: static permissible moment value with 2 s closely contacting with each other kg kg/m Options
13 Model YR 4-S l B1 M B K H3 W1 W2 Outer dimensions LM dimensions Model No. Height Width Length Grease nipple Model number coding M W L B 1 B C S l L 1 K N E H 3 HSR 15M1YR M PB1021B 4.7 HSR 20M1YR M B-M6F 4 HSR 25M1YR M B-M6F 5.5 HSR 30M1YR M B-M6F 7 HSR 35M1YR M B-M6F 7.5 Note) The length L of the high temperature type LM Guide model HSR-YR is longer than normal type of model HSR-YR. (Dimension L 1 is the same.) HSR25 M1 YR 2 UU C L P T - Model number Symbol for high temperature type LM Guide Type of LM Contamination protection accessory symbol (*1) No. of LM s used on the same rail LM rail length (in mm) Radial clearance symbol (*2) Normal (No symbol) Light preload (C1) Medium preload (C0) Symbol for LM rail jointed use Symbol for No. of rails used on the same plane (*4) Accuracy symbol (*3) Normal grade (No Symbol)/High accuracy grade (H) Precision grade (P)/Super precision grade (SP) Ultra precision grade (UP) (*1) See contamination protection accessory on. (*2) See A. (*3) See A. (*4) See A. Note) This model number indicates that a single-rail unit constitutes one set. (i.e., required number of sets when 2 rails are used in parallel is 2 at a minimum.)
14 E L L1 C M1 h φ d2 N LM Guide φ d1 F LM rail dimensions Basic load rating Static permissible moment kn-m Mass Width Height Pitch Length C C 0 W W 2 M 1 F d 1 d 2 h Max kn kn M A M B M C LM 1 Double s 1 Double s kg Unit: mm Note) The maximum length under Length indicates the standard maximum length of an LM rail. (See.) Static permissible moment : 1 : static permissible moment value with 1 LM Double s: static permissible moment value with 2 s closely contacting with each other LM rail kg/m Options
15 Standard Length and Maximum Length of the LM Rail Table1 shows the standard lengths and the maximum lengths of model variations. If the maximum length of the desired LM rail exceeds them, jointed rails will be used. Contact THK for details. For the G dimension when a special length is required, we recommend selecting the corresponding G value from the table. The longer the G dimension is, the less stable the G area may become after installation, thus causing an adverse impact to accuracy. Table1 Standard Length and Maximum Length of the LM Rail for Model Model No. HSR 15M1 HSR 20M1 HSR 25M1 HSR 30M1 HSR 35M1 LM rail standard length (L O ) Standard pitch F G Max length Note1) The maximum length varies with accuracy grades. Contact THK for details. Note2) If jointed rails are not allowed and a greater length than the maximum values above is required, contact THK. Note3) The values for also apply to YR. Unit: mm
16 LM Guide
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