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multilayer bearing

A technology of bearings and porous layers, applied in the direction of bearings, bearing components, shafts and bearings, etc., can solve problems such as insufficient wear resistance, achieve improved wear resistance characteristics, improve friction characteristics and wear resistance characteristics, and excellent The effect of sliding properties

Active Publication Date: 2015-09-09
SENJU METAL IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the multilayer bearing described in Patent Document 2 has a problem of insufficient wear resistance under the condition that the surface pressure exceeds 10 MPa.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～ Embodiment 6 and comparative example 1～ comparative example 4

[0071] Sprinkle bronze powder (pass #100 mesh, leave #200 mesh) on one surface of SPCC steel plate (manufactured by Nisshin Steel Co., Ltd.; カツパタイト) with copper plating on both sides, and form a uniform layer on the steel plate by heating and pressing Thick porous layer (sintered metal layer). On this porous layer, the dispersion of the PTFE resin composition adjusted in the compounding ratio shown in Table 1 was applied, the solvent was evaporated in a drying oven, and the solid component was impregnated and covered on the porous layer by heating and pressurizing. . The plate material of the multilayer bearing thus obtained was processed into a shape of width 25 mm x length 50 mm x thickness 1 mm to obtain a multilayer bearing test piece. The obtained multilayer bearing test piece was subjected to the reciprocating motion test shown below, and the coefficient of friction and the amount of wear were measured. For the results, respectively, in image 3 The amount of wear is ...

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Abstract

Provided is a multitiered bearing composed of a resin composition excluding lead compounds, wherein an excellent dynamic friction coefficient and an excellent antiwear property can be obtained at a surface pressure of more than 10 MPa, and a stable sliding property can be obtained.  A multitiered bearing (1) is comprised of a metal substrate (2); a porous layer (3) formed on one of the opposed surfaces of the metal substrate (2); and a resin composition (4) impregnated in and coated by the porous layer (3).  The resin composition (4) is obtained by combining a fluorine resin with at least a thermoplastic resin, a carbon fiber, and molybdenum disulfide.

Description

technical field [0001] The present invention relates to a multilayer bearing comprising a metal substrate, a porous layer and a resin layer, in particular to a multilayer bearing without containing lead. Background technique [0002] A multilayer bearing formed by impregnating a resin composition containing polytetrafluoroethylene (hereinafter referred to as PTFE) resin and lead such as lead or lead oxide to cover a porous layer lined with a metal plate such as a steel plate, as a high-surface bearing Bearings excellent in sliding properties under pressure are known. Lead has the effect of improving the wear resistance that is a disadvantage of PTFE resin, and promoting the transfer and adhesion of PTFE resin to the counterpart material during sliding. The sliding between them brings excellent results in terms of coefficient of friction and wear resistance. [0003] However, the RoHS Directive, ELV Directive, etc. for the purpose of environmental protection restrict the us...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C33/20F16C33/10F16C33/12
CPCF16C33/206F16C33/201F16C2208/02F16C17/02F16C2208/32
Inventor 林工福泽觉谷端秀晃田所健三
Owner SENJU METAL IND CO LTD