Multi-layer grinding stone for gear grinding
A grinding stone and grinding technology, which is applied to gear tooth manufacturing devices, parts of grinding machine tools, grinding/polishing equipment, etc. It can solve the problems of complex depth of cut control and achieve the effect of stable roughness.
Pending Publication Date: 2022-04-15
NORITAKE CO LTD +1
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Problems solved by technology
In addition, in order to solve this disadvantage, there is a problem that complex depth-of-cut control needs to be corrected for the radial displacement accompanying the rotation.
Method used
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[0031]figure 1 It is a perspective view explaining the main part of the structure of the continuous generating type gear grinding apparatus 10 which concerns on one Example of this Example. figure 2 It is a perspective view explaining the continuous generation type gear grinding performed in the continuous generation type gear grinding apparatus 10 using the gear grinding multilayer grindstone 12 and the gear blank BL. With the continuous generation type gear grinding apparatus 10, the continuous generation type gear grinding called displacement grinding is given to the outer peripheral surface of the gear blank BL using the threaded gear grinding multilayer grindstone 12. The continuous generation gear grinding device 10 enables the gear grinding multilayer grindstone 12 to rotate, for example, around a rotation axis Cy parallel to the Y-axis in the horizontal direction, and to rotate in the direction of the rotation axis Cy parallel to the Y-axis, that is, the displacement d...
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Abstract
Provided is a multi-layer grindstone for gear grinding, which is stable in grinding precision and gear tooth surface roughness during grinding of a finishing grindstone part even in a high-speed rotation region. A multi-layer grindstone for gear grinding has a roughing grindstone part (52) and a finishing grindstone part (54), the roughing grindstone part (52) and the finishing grindstone part (54) are fixed to each other in a state of having a common rotation axis (Cy), and a continuous threaded groove (56) from an outer peripheral surface (52a) to an outer peripheral surface (54a) is formed on the outer peripheral surface (52a) of the roughing grindstone part (52) and the outer peripheral surface (54a) of the finishing grindstone part (54). The finishing grindstone part (54) is formed by laminating grinding cloth (54b), and the elasticity of the finishing grindstone part (54) is higher than that of the roughing grindstone part (52). Thus, even in a high-speed rotation region, it is possible to absorb the displacement influence caused by rotation on the finish-machining grindstone part (54) side without causing the influence to act on the gear tooth surface, and therefore, the grinding accuracy and the gear tooth surface roughness during grinding of the finish-machining grindstone part (54) of the multi-layer grindstone (12) for gear grinding are stable.
Description
technical field [0001] The present invention relates to a multilayer grindstone (grinding tool) for gear grinding capable of grinding gears at high speed. Background technique [0002] For example, many gears are used in transmissions for automobiles and reducers for industrial robots. For example, with the quietness of automobiles and the improvement of fuel efficiency in recent years, these gears, especially helical gears, are required to reduce vibration and noise, improve transmission efficiency, and improve performance such as longevity. In addition, in actual gear machining, machining in a shorter time is required together with the above-mentioned improvement in performance. [0003] In response to this, a gear grinding system in which a first threaded grindstone functioning as a rough grinding stone portion and a second threaded grindstone functioning as a finishing grindstone portion, which are fixed to each other on the axis of rotation, are integrally constituted ...
Claims
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IPC IPC(8): B23F21/02B23F5/02
CPCB23F21/02B23F5/02B24D3/28B24D7/18B24D3/14B24D5/14B24B53/075B23F21/026B23F21/005B23F5/04B23F1/023B24D7/04
Inventor 石泽孝政大浦雄介服部真之神谷泰弘桥本光史
Owner NORITAKE CO LTD