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A counter-grinding device and a counter-grinding method for improving gear machining accuracy

A technology for processing precision and gears, applied to components with teeth, belts/chains/gears, gear teeth, etc., can solve problems affecting the performance of standard gears, increase the measurement uncertainty of standard gears, etc., and achieve good market application Prospect and promotion value, the effect of increasing the tooth pitch and improving the accuracy of radial runout

Active Publication Date: 2019-05-14
金齿传动科技(大连)有限公司
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Problems solved by technology

Larger tooth surface roughness will also increase the measurement uncertainty of the standard gear and affect the performance of the standard gear

Method used

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  • A counter-grinding device and a counter-grinding method for improving gear machining accuracy

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Embodiment Construction

[0025] Taking the disclosed self-reference standard gear (CN107063678A) as the grinding gear, the specific implementation of the grinding device and the grinding method for improving the machining accuracy of the gear proposed by the invention is described.

[0026] (1) The structure of the research device.

[0027] A grinding device for improving the machining accuracy of gears, comprising a driving friction wheel 1, a driving pulley 2, a transmission belt A3, a connecting rod A4, a rotary shaft section A5, a dense bead bushing 6, a grinding gear A7, a swing rod tension spring 8, Driven friction wheel 9, driven wheel fork 10, driven pulley 11, transmission belt B12, connecting rod B13, tensioner stage clip 14, tensioner mechanism 15, rotary shaft section B16, pair of grinding gears B17.

[0028] The index circle diameter of grinding gear (A 7, B17) is 120mm, and the diameter of two friction wheels (1, 9) is 36mm, and the diameter of two pulleys is 30mm, and the length of conn...

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Abstract

The invention belongs to the technical field of precision machining and provides an opposite grinding device and an opposite grinding method for improving gear machining precision based on the meshinggear tooth face deviation error homogenization effect to further improve the ultra-precision gear machining precision. The device comprises a driving friction wheel, a driving belt wheel, a transmission belt A, a connecting rod A, a rotation shaft section A, dense ball shaft sleeves, an opposite grinding gear A, an oscillating bar tension spring, a driven friction wheel, a driven friction wheel oscillating bar, a driven belt wheel, a transmission belt B, a connecting rod B, a tensioning wheel compression spring, a tensioning mechanism, a rotation shaft section B and an opposite grinding gearB. According to the device, the gear tooth pitch, the tooth profile, the spiral line and the radial jump deviation can be synchronously reduced through opposite grinding, the machining cost is low, the effects of improving the gear tooth pitch, the tooth profile, the spiral line and the radial jump precision are obvious, and the roughness error of the tooth face can be reduced. The provided gear opposite grinding method can be popularized to opposite grinding of high-end transmission device gear pairs, and good market application prospects and popularization value are achieved.

Description

technical field [0001] The invention belongs to the technical field of precision machining, and relates to a grinding device and a grinding method for improving gear machining precision. Background technique [0002] With the advancement of science and technology and the development of technology, people have higher and higher requirements for machining accuracy of ultra-precision gears, especially for standard gears used as benchmarks for transmission of gear values, which have higher requirements for machining accuracy. At present, the high-precision gear research laboratory of Dalian University of Technology has developed a scientific gear grinding process through the transformation of the gear grinding machine, and has achieved the first-grade precision in the gear international standard ISO1328-1:2013 (E) and the gear national standard GB / T 10095.1-2008. Processing of standard gears, and won the first prize of China Machinery Industry Science and Technology Award in 201...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23F19/00
CPCB23F19/00
Inventor 凌四营汪训练凌明陈义磊张慧阳王晓东王立鼎
Owner 金齿传动科技(大连)有限公司
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