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Spiral bevel gear broaching method and gear broaching machine tool

A technology for processing spiral bevel gears and teeth, which is applied in the field of tooth broaching processing methods for spiral bevel gears and gear broaching machine tools, can solve problems such as slow speed of broaching cutterheads, large cutting impact, and reduced machining efficiency of machine tools, and achieves improved Processing efficiency, high-efficiency processing, and the effect of ensuring processing safety

Active Publication Date: 2014-03-12
洛阳越格数控设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The broaching cutter head of the existing machine tools rotates at a constant speed under the drive of the driving device during processing. In order to avoid the cutter teeth hitting the gear blank during indexing, and also to avoid the initial cutter teeth entering the processing part due to the large machining allowance When the cutting impact is too large, the speed of the broaching cutter head must be very slow, thereby reducing the processing efficiency of the machine tool

Method used

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  • Spiral bevel gear broaching method and gear broaching machine tool

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Embodiment Construction

[0019] An embodiment of a method for processing spiral bevel gears according to the present invention: the method for processing teeth includes the following steps: 1) The gear to be processed is clamped on the indexing device and remains stationary, and the tooth-drawing cutterhead is placed on the variable speed drive device Driven by the driving force, it enters the processing part of the gear to be processed at the initial speed, and the initial tooth starts to broach the gear to be processed; 2) After the initial tooth turns out of the processing part of the processed gear, the subsequent teeth are sequentially Enter the processing part of the gear to be processed at the processing speed for tooth broaching; 3) When the tooth is terminated and rotated out of the processing part of the processed gear, the speed of the broaching cutterhead is reduced to the indexing speed, and the indexing sector of the broaching cutterhead Corresponding to the processing part of the gear to...

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Abstract

The invention relates to a spiral bevel gear broaching method. The spiral bevel gear broaching method includes the following steps that firstly, a gear to be machined is clamped on an indexing device and kept still, an initial cutter tooth of a gear broaching cutter rotates at the initial speed to enter a machining portion to conduct gear broaching; secondly, subsequent cutter teeth sequentially rotate at a machining speed to enter the machining portion to conduct machining till the final cutter tooth rotates out of the machining portion; thirdly, indexing fan sections of the gear broaching cutter rotate corresponding to the machining portion at an indexing speed, the indexing device drives the gear to be machined to rotate so that indexing can be completed, wherein the rotating speed of the initial cutter tooth of the gear broaching cutter in the machining portion and the rotating speed of the indexing fan sections of the gear broaching cutter in the machining portion are lower than the rotating speed of other cutter teeth in the machining portion; fourthly, executing the first step, the second step and the third step to machine a next gear. The invention further relates to a gear broaching machine tool special for implementing the spiral bevel gear broaching method. The rotating speed of the initial cutter tooth of the gear broaching cutter in the machining portion and the rotating speed of the indexing fan sections of the gear broaching cutter in the machining portion are lower than the rotating speed of other cutter teeth in the machining portion, and therefore machining safety is ensured, and machining efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of gear broaching machine tools, in particular to a gear broaching processing method for a spiral bevel gear and a gear broaching machine tool. Background technique [0002] A gear broaching machine tool for broaching spiral bevel gears generally includes a machine frame on which a workpiece box for clamping the spiral bevel gear to be processed and a cutter head box for clamping the broaching cutterhead are arranged. , the workpiece box is provided with an indexing device for indexing the gear to be processed to realize tooth-by-tooth processing. The cutter head box drives the broaching cutter head to rotate continuously, and the indexing device drives the gear to be processed to rotate intermittently. The disc has an indexing sector without broaching teeth and start and end teeth on both sides of the indexing sector. When the indexing sector of the broaching cutter is located at the processing part of the ...

Claims

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Application Information

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IPC IPC(8): B23F9/00B23F23/00B23Q5/02
Inventor 邓效忠邓静聂少武
Owner 洛阳越格数控设备有限公司
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