Linear guide rail pair and machining technology thereof

A linear guide rail pair, processing technology, applied in the direction of linear motion bearings, bearings, shafts and bearings, can solve the problems of difficult precise forming, high carbon content, poor plasticity, etc., to improve service life and bearing capacity Uniform, rigidity-enhancing effect

Inactive Publication Date: 2015-11-11
浙江建鑫型钢科技股份有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

From the perspective of profile manufacturing, it has high carbon content, high strength, poor plasticity, and it is difficult to form accurately

Method used

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  • Linear guide rail pair and machining technology thereof

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Embodiment Construction

[0033] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0034] Such as figure 1 As shown, the linear guide rail pair includes a slider body 1, which is characterized in that the body 1 is in a concave shape, the bottom of the body 1 has a guide rail groove 2, and the upper end of the body 1 has a mounting groove 3, and the inner walls on both sides of the guide rail groove 2 Two arc-shaped load grooves 4 for supporting the balls are provided respectively, and the load groove 4 is a semi-arc structure with a radius of 1 mm. The radius of the load groove 4 matches the radius of the ball, and the guide rail has a groove forming a circular channel with the load groove 4, and the ball is located in the circular channel. The contact angle between the load groove 4 and the ball is 45...

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Abstract

The invention provides a linear guide rail pair and a machining technology thereof, and belongs to the technical field of linear guide rail pairs. The linear guide rail pair comprises a sliding block body. The linear guide rail pair is characterized in that the body is in a U shape; a guide rail groove is formed in the bottom of the body, an installing groove is formed in the upper end face of the body, and two arc load grooves for supporting balls are formed in the inner walls of the two sides of the guide rail groove respectively; the two corners of the bottom of the guide rail groove are circular chamfers; and steps are arranged at the opening ends of the guide rail groove. The machining technology of the linear guide rail pair comprises the following steps of raw material preparing, head cutting, head rolling, head grinding, polishing, parkerising, saponifying and drawing. According to the linear guide rail pair, a unique double-arc structure is adopted in the load grooves, and when the impact load and the heavy load are borne, the bearing contact area is enlarged, and the rigidity of the system is improved. According to the machining technology of the linear guide rail pair, one-time joint forming is achieved during drawing, a plurality of later machining procedures are omitted, and cost, labor and the production time are saved.

Description

technical field [0001] The invention belongs to the technical field of linear guide rails, and relates to a linear guide rail pair and a processing technology thereof. Background technique [0002] With the continuous development of modern manufacturing technology, the traditional manufacturing industry has undergone tremendous changes, and numerical control technology, mechatronics and industrial robots have been more widely used in production. At the same time, the positioning accuracy, guiding accuracy and feed speed of the mechanical transmission mechanism are constantly improving, which has caused major changes in the traditional guiding mechanism. Since its commercialization in 1973, the rolling linear guide has gradually replaced the traditional sliding linear guide with its unique characteristics, and has been widely used in industrial production. It has been widely used in various heavy-duty combined processing machine tools, CNC machine tools, high-precision EDM c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C29/04B23P15/00
Inventor 郑建军
Owner 浙江建鑫型钢科技股份有限公司
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