Pressed cage, self-aligning roller bearing, and method of manufacturing pressed cage

A manufacturing method and cage technology, applied in the direction of roller bearings, rolling contact bearings, rotating bearings, etc., can solve problems such as the deviation of the bending degree of the connection part, and achieve the effect of excellent precision
CN102099591AInactive Publication Date: 2011-06-15NTN CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NTN CORP
Publication Date
2011-06-15
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a pressed cage for a self-aligning roller bearing, wherein a flange and roller guiding surfaces are simply and accurately formed on the cage. A pressed cage has formed thereon pillars (3, 3) extending between a large-diameter ring section (1) and a small-diameter ring section (2), pockets (4, 4) circumferentially separated from each other by the pillars (3), roller guiding surfaces (1a) capable of making sliding contact with end surfaces of revolving convex rollers (5), and a flange (6) formed by raising the large-diameter ring section (1) in the diameter direction. Each roller guiding surface (1a) is a cross-sectional surface of the inner periphery of a pocket (4) which cross-sectional surface is formed in the large-diameter ring section (1) by punching, and flange bend sections (r) of the flange (6) are formed on the entire circumferential periphery of the large-diameter ring section (1). The roller guiding surfaces (1a) can be obtained only by punching, which is an essential step, and this allows the flatness and bending angles of both front and rear surfaces of the flange (6) to be easily and uniformly obtained along the entire circumferential periphery of the flange (6).
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Description

technical field

[0001] The present invention relates to a stamped cage in which flanges and pockets are manufactured by stamping, a self-aligning roller bearing using the stamped cage, and a method for manufacturing the stamped cage. Background technique

[0002] The self-aligning roller bearing is a double-row roller bearing having a spherical raceway on an outer ring, and convex rollers are used as rolling elements of each row. It is necessary to suppress the deflection behavior of the revolving convex rollers, and a roller guide member that appropriately utilizes guide rings, intermediate ribs, cages, etc. is provided. Conventionally, as a roller guide member using a cage, a roller guide surface capable of slidingly contacting an end surface of a revolving convex roller is formed in a press cage (Patent Document 1).

[0003] Such as Figure 21 As shown in (a) and (b), the stamped cage disclosed in Patent Document 1 is formed with a plurality of columns 103, 103... .. ; ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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