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Constant flow static pressure working table for gear shaping machine or gear milling machine

A technology of gear milling machine and gear shaping machine, which is applied in the direction of gear cutting machine, gear tooth manufacturing device, gear teeth, etc. It can solve the problem that the workbench cannot maintain accuracy for a long time, the friction between the base and the main shaft increases, and the contact surface is prone to wear, etc. Problems, achieve good vibration absorption performance, reduce power consumption, and not easy to wear

Inactive Publication Date: 2012-06-06
WUHAN GEWEI MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the workbench used by the gear shaper or milling machine, whether it is working normally or frequently starts and stops, due to the long-term contact between the base and the main shaft, the contact surface is prone to wear, resulting in increased friction between the base and the main shaft, and the main shaft The running stability is not enough and the centering is not good, the workbench cannot maintain the accuracy for a long time, and the requirements for materials are relatively high.

Method used

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  • Constant flow static pressure working table for gear shaping machine or gear milling machine
  • Constant flow static pressure working table for gear shaping machine or gear milling machine
  • Constant flow static pressure working table for gear shaping machine or gear milling machine

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with accompanying drawing.

[0019] Such as figure 1 As shown, the constant-current hydrostatic workbench for a gear shaping machine or a gear milling machine includes at least a base 4, a shaft core 1 and a main shaft 3, the main shaft 3 is set outside the shaft core 1, and the main shaft 3 and the shaft core 1 are installed on a hollow base In 4, the shaft core 1 is cylindrical, and the gap between the shaft core 3 and the shaft core 1 is 0.02-0.15mm, that is, the gap between the inner cylindrical surface of the main shaft 3 and the outer cylindrical surface of the shaft core 1 is 0.02-0.15mm, and the shaft core 1 There are more than four rectangular static pressure chambers 2 on the outer surface, and the surroundings of the static pressure chambers 2 are oil-sealed edges, the width of which is 15-45 mm. The static pressure chambers 2 are equal in size and shape, and are evenly distributed on the sh...

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Abstract

The invention discloses a constant flow static pressure working table for a gear shaping machine or a gear milling machine. By constant flow static pressure technology, a static pressure cavity is formed on a central spindle, and lubricating oil is fed into the static pressure cavity by a constant pressure oil pump, so that an oil film is formed between the spindle of the working table and a pedestal to keep contact surfaces between the spindle and the pedestal in a constant pressure full-liquid lubricating state; therefore, the center of the working table is positioned well, a wear phenomenon is almost avoided during movement, and the rigidity and the accuracy of the working table are greatly improved and the life of the working table is greatly prolonged; and the pedestal is provided with a dual lead worm, and adjusting pads are arranged in both axial direction and radial direction of the worm, so the working table can work under a smaller backlash condition, and the dividing accuracy of a rotary working table can be improved.

Description

technical field [0001] The invention relates to a working table for a gear shaping machine or a gear milling machine, in particular to a constant current static pressure working table for a gear shaping machine or a gear milling machine. Background technique [0002] At present, the workbench used by the gear shaper or milling machine, whether it is working normally or frequently starts and stops, due to the long-term contact between the base and the main shaft, the contact surface is prone to wear, resulting in increased friction between the base and the main shaft, and the main shaft The running stability is not enough and the centering is not good, the workbench cannot maintain the accuracy for a long time, and the requirements for materials are relatively high. Contents of the invention [0003] In order to solve the above-mentioned problems in the prior art, the present invention proposes a constant-current static-pressure workbench of a gear shaping machine or a gear...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q1/25B23F23/00
Inventor 朱长淯罗小国叶德平
Owner WUHAN GEWEI MACHINERY
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