Method for manufacturing linear bearing made from full stainless steel

A technology of linear bearings and manufacturing methods, applied in the direction of linear motion bearings, bearings, shafts and bearings, etc., can solve problems such as shortened service life, difficulty in ensuring stability of quality, and surface wear of raceways

Inactive Publication Date: 2007-12-26
宁波恒力汽配轴承有限公司
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Problems solved by technology

The linear bearing cage is the main part, and the plastic cage is an injection molding product of the plastic injection molding machine without other processing. The heating voltage and current are very strict during the injection molding process, and the injection molding products are in three shifts, so There are differences in current and voltage between day and night, and there are certain differences in the products produced, so it is difficult to ensure the stabilit

Method used

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  • Method for manufacturing linear bearing made from full stainless steel
  • Method for manufacturing linear bearing made from full stainless steel
  • Method for manufacturing linear bearing made from full stainless steel

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Embodiment Construction

[0016] Manufacturing method of stainless steel ferrule

[0017] The processing flow of the stainless steel bearing ring is shown in Figures 1 to 6. The stainless steel bearing ring is made of 9Gr18, which is a high-carbon and high-chromium martensitic stainless steel. Its performance is mainly due to its high mechanical strength, and its hardness can reach above HRC60°C through high-temperature heat treatment. At the same time, the stainless steel has the same acid resistance, alkali resistance and high humidity resistance as other stainless steels. It can work in high temperature and water environment, no rust, no corrosion, and the price is 40% cheaper than other stainless steel. However, it is very difficult to cut and process stainless steel. At present, only stainless steel rods or pipes are available in the market. The stainless steel pipe is taken as an example to illustrate the manufacturing method of stainless steel bearing rings. Cut the inner and outer diameter all...

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Abstract

This invention relates to a manufacturing method for stainless steel linear bearings including the following steps: first of all cutting a stainless steel tube to a tubular stock, then turning it to a tubular inside wall with interphase axial concave arc side and axial salient small concave arc side to prepare a bearing ferrule after heat process and rough grinding, in which a holder is made by punching a stainless steel cold-rolled plate on a punch with a die to a blank plate, then punching a middle groove, pulling a rolling runner, then punching a ball bearing groove, cutting outskirt and shaping it precisely.

Description

technical field [0001] The invention relates to a method for manufacturing a linear bearing, in particular to a production and processing method for a stainless steel linear bearing. Background technique [0002] The ferrule of the ordinary linear bearing is made of GGr15 bearing steel special-shaped tube. After blanking, the inner and outer diameters of the ferrule are firstly positioned and processed within the tolerance range, and then the entire ferrule is heat treated, and then the inner and outer diameters are rough and finely ground. Circle accuracy requirements. The bearing cage is made of engineering plastics and is injection molded into a round tube by an injection molding machine. The steel balls of various specifications and the rubber dust cover are made of bearing steel. Before assembly, classify the bearing rings, and then assemble the finished product according to the sorting level. Because ordinary linear bearings cannot be used in special and harsh enviro...

Claims

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Application Information

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IPC IPC(8): F16C29/06
Inventor 郑世良梅雪成
Owner 宁波恒力汽配轴承有限公司
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