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Gasket manufacturing method

A manufacturing method and technology for gaskets, which are applied in the directions of gaskets, bearings for rotary motion, rotating parts against centrifugal force, etc., can solve the problems of poor material utilization rate and material waste, and achieve the purpose of suppressing slump, easy manufacturing, and improving material utilization rate. Effect

Active Publication Date: 2020-04-14
TAIHO INDUSTRIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if Figure 12 As shown, since there is a gap between adjacent thrust washers 90, the material of this part (gap) will be wasted, and there is still room for improvement in terms of poor material utilization.

Method used

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  • Gasket manufacturing method
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Embodiment Construction

[0033] Hereinafter, the directions indicated by arrow U, arrow D, arrow L, and arrow R in the figure are respectively defined as an upward direction, a downward direction, a leftward direction, and a rightward direction for description. In addition, the direction perpendicular|vertical to the paper surface of a drawing is defined as a front-back direction, and is demonstrated.

[0034] Below, use figure 1 The thrust washer 10 of the first embodiment will be described.

[0035] The thrust washer 10 is a washer provided on a shaft member (for example, a crankshaft of an engine, etc.) to receive a load in a thrust direction applied to the shaft member. The thrust washer 10 is formed by punching a plate-shaped blank 1 described later into a substantially semicircular shape. Thus, the thrust washer 10 is formed in a plate shape having a substantially constant thickness in the front-rear direction. Hereinafter, the shape of the thrust washer 10 viewed from the front will be desc...

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Abstract

Provided is a method of manufacturing a gasket capable of improving material utilization. A preparation step (S1) for preparing a plate-shaped blank (1); a first cutting step (S12) for obtaining a substantially arc-shaped first thrust washer (10) by cutting the blank (1); The second cutting process (S13) is to cut the blank (1), thereby obtaining a second thrust washer (10) from the portion that is in contact with the portion where the first thrust washer (10) was cut. ).

Description

technical field [0001] The present invention relates to a technique of forming a gasket in an arc shape. Background technique [0002] Conventionally, a technique of forming a gasket in an arcuate shape is known. For example, as described in Patent Document 1. [0003] Patent Document 1 discloses a technique for assembling two arcuate (semicircular) gaskets (gasket members) in two pieces into a cylinder block. Such an arcuate gasket can be manufactured by punching (pressing) a plate-shaped material with a predetermined die. [0004] exist Figure 12 2 shows a case in which a plurality of arc-shaped gaskets (thrust washers 90 ) are produced by punching out a sheet-shaped blank 1 with a die. Such as Figure 12 As shown, the plurality of thrust washers 90 can be manufactured by punching the blank 1 a plurality of times while moving the blank 1 in a certain direction relative to the mold. However, if Figure 12 As shown, since there is a gap between adjacent thrust washers 9...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C33/14B21D53/20
CPCB21D28/06B21D53/20F16B43/005F16C17/04F16C33/14F16C2220/84
Inventor 落合洋一
Owner TAIHO INDUSTRIES CO LTD