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Gear processing machine

A technology for processing machinery and gears, used in gear cutting machines, mechanical equipment, metal processing equipment, etc., and can solve problems such as difficult positioning and reduced processing accuracy.

Inactive Publication Date: 2012-11-21
MITSUBISHI HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, also in this structure, the motor that rotates the rotating plate inevitably becomes a high-precision and large motor
Also, since it is difficult to position the heavy rotary plate with high precision, it may cause a decrease in processing accuracy

Method used

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Examples

Experimental program
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Effect test

Embodiment

[0029] Such as figure 1 and figure 2 As shown, a gear grinder (gear processing machine) 1 is provided with a bed 11 , and a column 12 movable in the horizontal X-axis direction is supported on the bed 11 . A saddle 13 that can be raised and lowered in the vertical Z-axis direction is supported on the column 12, and a grinding wheel head that can move in the Y-axis direction perpendicular to the X-axis direction and the Z-axis direction is supported on the saddle 13. 14. And, on the grinding wheel head 14, a grinding wheel spindle 15 capable of rotating around a grinding wheel rotation axis B parallel to the Y-axis direction is supported, and a screw with helical thread teeth formed on the outer peripheral surface is mounted on the front end of the grinding wheel spindle 15. Disassembled threaded grinding wheel (tool for gear processing) 16.

[0030] Therefore, the threaded grinding wheel 16 can be moved in the X-axis direction, the Y-axis direction, and the Z-axis directio...

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PUM

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Abstract

Provided is a gear processing machine which has a simple configuration, and is capable of processing a gear with high accuracy. For this purpose, a gear grinding machine wherein a tooth alignment operation is performed prior to grinding, is equipped with a workpiece processing rotation shaft (22) which rotates a workpiece (W1) located at a workpiece processing position (P2); a workpiece swing device (30) whereby a tailstock (50) that holds the workpiece (W1) is swung between a workpiece replacement position (P1) and a workpiece processing position (P2); a workpiece alignment rotation shaft (52) which rotates the workpiece (W1) held by the tailstock (50); and a tooth alignment sensor (43) that detects the rotation phase of the workpiece (W1), which was rotated by the workpiece alignment rotation shaft (52). Before the workpiece (W1) held by the tailstock (50) is placed at the workpiece processing position (P2), the rotation of the workpiece alignment rotation shaft (52) is controlled on the basis of the rotation phase detected, so that the workpiece (W1) will engage with a threaded grinding stone (16).

Description

technical field [0001] The present invention relates to a gear machining machine that performs a tooth alignment operation such that a threaded grinding wheel and a gear to be machined are engaged in a rotational phase relationship before grinding the gear to be machined with the grinding wheel. Background technique [0002] Conventionally, a gear grinding machine has been provided as an apparatus for grinding a heat-treated gear with a threaded grindstone or the like and efficiently finishing the tooth surface of the gear. In this gear grinding machine, the gear is ground by relatively rotating the threaded grinding wheel and the gear in a state where the threaded grinding wheel and the gear are meshed. Therefore, the cutting edge (valley) of the threaded grinding wheel is performed before the threaded grinding wheel meshes with the gear. Tooth-to-tooth operation such that the rotational phase relationship can be meshed with the teeth (valleys) of the gear. [0003] In add...

Claims

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Application Information

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IPC IPC(8): B23F23/00B23F5/04
CPCB23F23/006B23F5/04
Inventor 胜间俊文增尾光一桥谷道明芦泽祐二
Owner MITSUBISHI HEAVY IND LTD