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Linear ball bearing, bearing race member, blank remodeling device for the same and manufacturing method thereof

A ball bearing and bearing roller technology, which is applied in the field of the invention, can solve the problem of high manufacturing cost of bearing raceway parts, and achieve the effect of uniform load distribution

Active Publication Date: 2010-06-09
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The manufacturing cost of the crown of the bearing raceway is relatively high

Method used

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  • Linear ball bearing, bearing race member, blank remodeling device for the same and manufacturing method thereof
  • Linear ball bearing, bearing race member, blank remodeling device for the same and manufacturing method thereof
  • Linear ball bearing, bearing race member, blank remodeling device for the same and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] figure 1 A linear ball bearing 1 according to the invention is shown. The linear ball bearing 1 is used to displaceably mount the shaft 2 in the housing bore 3 , the shaft 2 and the housing bore 3 being indicated only schematically by dashed lines. The linear ball bearing 1 has a sleeve-shaped retaining ring 4 which has recesses 5 on its circumference which are spaced apart by connecting webs 6 . The recess 5 has a rectangular shape in plan view and serves to releasably accommodate the ball swivel housing 7 . As shown, the retainer 4 is fitted with five ball swivel housings 7 in this embodiment, wherein each ball swivel housing 7 comprises two ball swivels 9 . Each ball turning part 9 has a bearing section, also has a return section and has two diverting sections (not visible) that connect the bearing section and the return section to each other, thereby forming a circular revolution, wherein the bearing section has a belt that can be rotated on the shaft 2 Carrying ...

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PUM

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Abstract

The invention relates to a linear ball bearing, which has a guard ring; a recessed part for holding the ball rotary part is formed on the circumference of the guard ring; each ball rotary part has at least one bearing segment with bearing balls; the bearing balls are additionally supported on the running race of the bearing race member; the bearing race member has at least one outer surface doming up on at least one direction; used for depending on the inner surfaces of the components around the guide rail; the at least one outer surface is formed by the lintel type convex part extended on the longitudinal direction of at least one bearing race member. By applying the structure, a drum type part or arched part needed by the outer surface of the bearing race member can be manufactured by a simple method without obvious loss to the bearing capacity of the bearing race member. In addition, the invention provides a bearing race member which can be manufactured by a low cost, a method for manufacturing the bearing race member and a blank remodeling device used for the bearing race member.

Description

technical field [0001] The invention relates to a linear ball bearing for longitudinally displaceable mounting of an axial guide rail in a component surrounding the guide rail, the linear ball bearing having a sleeve-shaped retaining ring with successively arranged retaining rings in the circumferential direction Recesses in which the ball swivels are held, wherein each ball swivel has at least one carrier section with carrier balls that are rotatably mounted on the guide rail, wherein the carrier balls of the ball swivels are additionally Rollably supported on the running raceway of a load-bearing raceway element inserted directly or indirectly into the retainer, the load-bearing raceway element has at least one radially outwardly arched outer surface at least in one direction for Rest against the inner surface of the component surrounding the guide rail. The invention also relates to a load-bearing race for linear ball bearings and to a method for producing such a load-bear...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C29/04F16C33/58
CPCF16C29/069B21K1/04F16C29/001F16C29/0604B21J9/02Y10T29/49689
Inventor 雷纳·克莱贝尔托马斯·温克勒迪特马尔·鲁迪洛塔尔·诺伊方彼得·卢茨安娜·卡尼亚马蒂亚斯·施米特
Owner SCHAEFFLER TECH AG & CO KG