Welded cages for roller bearings
A technology of roller bearings and cages, applied in the direction of roller bearings, bearings, bearing components, etc., can solve problems such as cage disconnection, and achieve the effect of preventing disconnection
Active Publication Date: 2018-07-27
JTEKT CORP
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- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0006] Although in this type of welded cage, the weld seam 111 is not in contact with the rollers, on the other hand, the force that wants to divide the cage in the circumferential direction is concentrated on the grooves 120, 121, and there are cages in the welded parts 108, 109. possibility of disconnection
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[0019] refer to Figure 1 ~ Figure 3 One embodiment of the present invention will be described. figure 1 is a perspective view of a welded cage for a roller bearing, figure 2 It is an expanded top view of a welded cage for a roller bearing, image 3 yes figure 1 A view from direction A.
[0020] exist figure 1 as well as figure 2 In , 10 represents the whole welded cage for roller bearings. 11 is a strip-shaped steel plate, 20 is a pocket, 21 is a column portion on both sides of the pocket 20 in the circumferential direction, 22 and 23 are ears on both sides in the axial direction of the pocket 20, and 24 and 25 are welded portions.
[0021] The welded retainer 10 is formed by bending one strip-shaped steel plate 11 having a plurality of pockets 20 along the circumferential direction into a ring shape, and performing butt welding on both ends in the circumferential direction. The respective pockets 20 are partitioned in the circumferential direction by column porti...
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The invention relates to a welding keeper for a roller bearing, which can prevent a welding seam from housing a roller, and contacting with the rotating roller, and also prevent the keeper from being turned off. The welding keeper comprises an annular belt type steel plate with a pocket hole for housing the roller along the circumferential direction, and the pocket hole is formed by a space surrounded by one pair of adjacent poles on the two sides along the circumferential direction and one pair of lug parts opposite to each other along the two axial sides of the pocket hole, and two ends of the belt type steel plate along the circumferential direction are arranged in the lug parts, a bunt welding part is arranged on the lug part, and a concave part deeper than the depression of the pocket hole is formed in the two-side range of the circumferential direction including the bunt welding part, the welding seam is arranged on the concave part, thus the welding seam does not contact with a step part between the concave part and the pocket hole.
Description
technical field [0001] The present invention relates to a welded cage for roller bearings, such as a welded cage for needle roller bearings. Background technique [0002] Conventional welded holders such as Figure 4 The welded holder shown (Patent Document 1). 100 is a strip-shaped steel plate, 101 is a pocket, 102 is a column portion on both sides of the pocket 101 in the circumferential direction, 106, 107 are ears on both sides in the axial direction of the pocket 101, 108, 109 are welded parts, 110, 111 is a weld seam. [0003] This welding cage is manufactured by bending a strip-shaped steel plate 100 having a constant width and cut to a predetermined length into a ring shape. The welded cage has a plurality of pockets 101 for accommodating rolling elements along the circumferential direction. The central sides of the ear portions 106 and 107 constituting both axial sides of one pocket 101 among the plurality of pockets 101 are defined as both end portions of the ba...
Claims
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IPC IPC(8): F16C33/54
CPCF16C33/545F16C19/24F16C2226/36
Inventor 小谷一之
Owner JTEKT CORP