High-temparature LM Guide Series
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High-temperature LM Guide Series Maximum permissible temperature: 150°C TOKYO. JAPAN

THK High-temperature LM Guide ■ THK has developed its new line of High-temperature LM Guides for high-temperature applications. LM block (THK-EX50) End plate LM rail 304 (SUS304) (THK-EX50) End seal ° 45 (Rubber for hightemperature applications) Ball Side seal (Rubber for hightemperature applications) 45 ° 440C (SUS440C) Cross section Fig. 1 Construction and Material of High-temperature LM Guide (Type HSR) Construction and Features : ■ High maximum permissible temperature: 150: The stainless steel end plate and high-temperature rubber seals allow the Guide to be used under high...

Dimensional Stability Data A special treatment to maintain dimensional stability minimizes dimensional variations due to heating and cooling. LM rail overall leng High-temperature Standard Stainless steel product product product High-temperature Standard Stainless steel product product product • The overall length and bend data indicate changes that occurred when the samples were heated to 150°C for 100h, then cooled to normal temperature. • The samples were the high-temperature, standard, and stainless steel models of HSR25+580L. Greased Ball Rolling Resistance Data The grease chosen for...

Precautions on the Use of the THK High-temperature LM Guide [Operating Temperature of High-temperature LM Guide] [Choosing the Right Type of High-temperature LM Guide] To choose the right type of guide for your application, please refer to Chapter 4, Selecting the Correct Type of LM Guide, in the General Catalog. (The selection procedures are the same as used for the standard LM Guide.) For the temperature coefficient f-r, please refer to graphs presented in the same chapter of the General Catalog. Use 1.0 as the hardness coefficient k [Dimensional Accuracy of High-temperature LM Guide]...

[Grease Used in High-temperature LM Guide] Unless otherwise specified, fluorine-based grease is sealed into the High-temperature LM Guide as the standard lubricant. The physical properties of the High-temperature LM Guide grease are as shown (Mixing other greases and lubricating oils can degrade performance. If your application requires use of the Guide under a vacuum, please contact THK.) Grease name : Crytox GPL225 (DuPont) [Changes in Sliding Resistance Due to Grease and Seals] The LM Guide sliding resistance due to high-temperature grease and seals tends to increase in proportion to the...

LM Guide SR-M1 — High-rigidity Radial Type LM block (THK EX50) End plate 304 (SUS304) Grease nipple 304 (SUS304) End seal (Rubber for hightemperature applications) LM rail (THK EX50) Ball 440C (SUS440C) Retainer plate 304 (SUS304) Side seal (Rubber for hightemperature applications) Cross section Fig. 2 Construction of Type SR-M1 Types and Features Type SR-M1W Type SR-M1V Low-profile, compact, and radial-load durable. One of the representative models of LM Guides. Modified SR-M1W with shortened LM blocks for space savings. Type SR-M1TB Type SR-M1SB The height is the same as of type SR-M1W....

LM Guide HSR-M1 — Four-way Equal-Load Type LM block (THK-EX50) End plate 304 (SUS304) LM rail (THK-EX50) 45° End seal (Rubber for hightemperature applications) 45° Ball 440C (SUS440C) Side seal (Rubber for hightemperature applications) Fig. 3 Construction of Type MSR-M1 Cross section Types and Features Standard heavy duty types HSR-M1A HSR-M1B HSR-M1R The flange of the LM block is provided with tapped holes for simplified assembly; suitable for build-up systems. Four-bolt type. The LM blocks can be attached to a table from below. To be used for a table that does not permit drilling of...

Four-way Equal Load, Sideways Installation Type Retainer plate Retainer plate \ Side seal temperature applications) Simple installation in opposed position Low profile Installing two LM Guides opposing to one another used to pose a number of problems: e.g., it is time-consuming and difficult to attain the required accuracy and to adjust In the HSR-M1YR, however, tapped holes provided in the flange of the LM block to aid the mounting of a table has simplified assembly and construction. This contributes to substantial man-hour reduction and improved precision. Sideways installation reduces...

temperature applications) Grease nipple Standard types of Miniature LM Guide. Modified RSR-M1V with expanded LM block length and width for greater load ratings and permissible moments. Compared to type RSR-M1V, this type has larger load rating provided by the longer overall length of LM block and increased number of effective balls. Modified RSR-M1W with increased LM block length, number of effective balls, and load rating. Has the greatest load carrying capability of all Miniature LM Guide models. • Actual product color may differ from the photograph.

Model Number Coding I_Accuracy symbol I_Radial clearance Provision of end seal (end seals are attached to both end faces in this example; for end seal + side seal, this becomes "SS") No. of LM blocks combined on a single axis I_Accuracy symbol I_Radial clearance Provision of end seal (end seals are attached to both end faces in this example; for end seal + side seal, this becomes "SS") I_No. of LM blocks combined on a single axis Accuracy symbol Radial clearance Provision of end seal (end seals are attached to both end faces in this example; for an end seal on one side only, this becomes...

Contamination Protection For the High-Temperature LM Guide, side seals to prevent contaminants from entering the Guide are Side seal Prevents contaminants from entering an LM block from below. Contamination protection accessory symbol If a contamination protection accessory is required, please specify this using the symbols shown below. Some models do not accept a contamination protection accessory. Check which parts are applicable, referring to Table 2. Attaching a contamination protection accessory to an LM block changes the block overall length. Add the increment to dimension L provided...