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Resin gear and gear mechanism

A technology of gear mechanism and gear, which is applied in the direction of gear transmission, belt/chain/gear, mechanical equipment, etc., to achieve sufficient durability, wear resistance, and good lubricity

Inactive Publication Date: 2019-11-05
NIDEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Conventionally, in the case of gears made of metal materials, vibration and noise due to backlash have become a problem

Method used

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  • Resin gear and gear mechanism
  • Resin gear and gear mechanism
  • Resin gear and gear mechanism

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Embodiment Construction

[0021] The resin gear of the present invention is composed of a mixed material of a resin material and a carbon material. As the carbon material, spherical amorphous carbon is used, and a large amount of spherical amorphous carbon is mixed into the resin material. Such resin gears, for example, can be preferably used as figure 1 The shown small reduction gear 100 is a gear that functions as a sliding bearing, such as the external gear 20 .

[0022] Hereinafter, the structure of the small speed reducer 100 provided with the external-toothed gear 20 which is one embodiment of the resin gear of this invention is demonstrated with reference to drawings. In addition, the scope of the present invention is not limited to the following embodiments, and can be changed arbitrarily within the scope of the technical idea of ​​the present invention. In addition, in the following drawings, in order to facilitate understanding of each structure, the actual structure may be different from t...

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Abstract

An embodiment of a resin gear according to the invention is made of a mixed material including a resin material and a carbon material, wherein the carbon material is a spherical amorphous carbon.

Description

technical field [0001] The present invention relates to resin gears and gear mechanisms. Background technique [0002] Conventionally, in the case of gears using metal materials, vibration and noise due to backlash have become a problem. Therefore, in order to reduce vibration and noise due to backlash, in recent years, the application of gears using resin materials has been proposed. [0003] In addition, in order to transmit large stress, it is required to improve the durability and wear resistance of resin gears. As one means for improving the durability and wear resistance of resin gears, for example, as in Patent Documents 1 and 2, methods of adding reinforcing fibers to resin materials to improve durability and wear resistance have been studied. [0004] prior art literature [0005] patent documents [0006] Patent Document 1: Japanese Patent Laid-Open No. 2014-77541 [0007] Patent Document 2: Japanese Republished Publication No. WO2004-015309 Contents of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/06F16H1/32
CPCF16H1/32F16H55/06
Inventor 清水猛小川隆雄
Owner NIDEC CORP