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Pinion internal hole honing tool

A technology of pinion honing and honing, which is applied in the field of honing tools and pinion inner hole honing tools, can solve the problems of small modulus, unstable product quality, and failure to meet the use requirements, etc., and achieves simple operation, improved convenience and Accuracy and stability, the effect of simple structure

Active Publication Date: 2014-03-19
WUXI WEIFU CHINA ITAL GEAR
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

In the process of processing, due to the small modulus of the gear and the helical teeth, the product quality is unstable and cannot meet the requirements of use. In order to ensure the processing accuracy of the product and improve the production efficiency

Method used

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  • Pinion internal hole honing tool
  • Pinion internal hole honing tool

Examples

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0023] As shown in the figure: the pinion inner hole honing tool in the embodiment mainly includes a cutter body part 1 and a tool handle part 2, and several parallel spiral chip removal grooves 1e and 2 are milled on the outer surface of the cutter body part 1. Two mutually parallel annular grooves 1c, the cutter body 1 is divided into the cutter body front end 1b, the cutter body main body 1d and the cutter body rear end 1f by the two annular grooves 1c; There are pin holes 2a.

[0024] In the present invention, the material of the honing cutter is No. 45 steel, which is readily available and cheap.

[0025] like figure 1 As shown, in the present invention, the front end portion 1b of the cutter body plays a stabilizing role during reaming, making the reaming process more stable. The front end of the front end portion 1b of the cutter body is provided with...

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PUM

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Abstract

The invention relates to a pinion internal hole honing tool. The pinion internal hole honing tool comprises a tool body and a tool handle and is characterized in that the external circumference of the tool body is provided with a plurality of parallel spiral chip grooves and two parallel ring-shaped grooves through milling, and the tool body is divided into a tool body front end portion, a tool body main body portion and a tool body rear end portion through the two ring-shaped grooves; the tool handle is provided with pin holes. The pinion internal hole honing tool is simple in structure, can help machine internal holes conveniently, rapidly and efficiently, achieves good reliability and can meet the requirements of batch production.

Description

technical field [0001] The invention relates to a honing tool for precision machining inner holes of pinion gears after heat treatment and nitriding, in particular to a honing tool for inner holes of pinion gears, which belongs to the technical field of mechanical component processing. Background technique [0002] A kind of gear heat treatment adopts nitriding treatment, nitriding hardness ≥ 600HV1, nitriding depth ≥ 0.25mm, the precision grade of the gear requires DIN3962-8, the difficulty of processing this part lies in the size of the inner hole End runout <0.03. Due to the high precision required, the process is arranged on the internal grinding after heating, and the pitch circle positioning method is used when grinding the inner hole, which can better ensure the concentricity of the hole to the pitch circle. During the grinding process of the inner hole of the gear, a four-jaw chuck and a Φ3 measuring rod are used for positioning and clamping, and the beating of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D77/00
Inventor 许智慧林天琪
Owner WUXI WEIFU CHINA ITAL GEAR
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