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Processing center spindle inner bore checking fixture

A machining center and spindle technology, applied in measuring devices, instruments, and mechanical devices, etc., can solve problems such as inability to measure, achieve the effect of reliable broach, solve the problems of broach stroke and reliability, and improve processing accuracy

Inactive Publication Date: 2012-07-18
SHANDONG BEST PRECISION
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, when the taper hole of the main shaft of the machining center (that is, the key part where the broach claw and the main shaft cooperate) is BT30, JT30; BT40, CAT40; BT50, CAT50, BT60, the tolerance level of the size here is generally G7, and its diameter is greater than 7: The diameter of the small end of the 24 taper hole cannot be measured with an inner diameter gauge or a vernier caliper

Method used

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  • Processing center spindle inner bore checking fixture
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Embodiment Construction

[0013] In order to clearly illustrate the technical features of the solution, the solution will be described below through specific implementation modes.

[0014] see figure 1 , the present invention is a tool for checking the inner hole of the main shaft of a machining center, which includes an inspection sleeve 4 and a go-no-go gauge 1 used in conjunction with the inspection sleeve 4. The front end of the inspection sleeve 4 extends into the inner hole of the main shaft 3, and the inspection sleeve The rear end of 4 is provided with outer edge 6, and the side wall of inspection sleeve 4 is provided with through hole, and ball 2 is installed in the through hole; , The go-no-go gauge 1 extends into the test sleeve 4.

[0015] When measuring, extend the inspection sleeve 4 loaded with balls 2 into the inner hole of the main shaft 3, then extend the through end of the go-no-go gauge 1 into the inspection sleeve 4, and the through end can pass through; then insert the stop end i...

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Abstract

The invention provides a processing center spindle inner bore checking fixture. The checking fixture comprises a checking sleeve and a go / no-go gauge matched with the checking sleeve, wherein the front end of the checking sleeve extends into the spindle inner bore; an outer edge is arranged at the rear end of the checking sleeve; a through hole is arranged on the side wall of the checking sleeve; and a ball is mounted in the through hole. The checking fixture provided by the invention has a simple structure, can accurately and quickly check whether the processed center spindle inner bore is qualified, and improve the processing precision of the center spindle inner bore.

Description

technical field [0001] The invention relates to a tool for checking the internal structure size of a main shaft, in particular to a tool for checking the inner hole of the main shaft of a machining center. Background technique [0002] The spindle unit of the machining center is a key functional component to realize high-speed machining. The spindle of the machining center is one of the most critical factors affecting the rotation accuracy of the spindle unit, the accuracy of the machined parts, the safety and the service life of the spindle. Its internal structure size is to ensure the above conditions. The premise is that whether the size processing is qualified or not seriously affects the stroke and reliability of the broach mechanism. [0003] The internal structural dimensions of the main shaft of the machining center, such as 7:24 taper holes, disc spring matching holes, etc., have corresponding inspection tools, such as inner diameter gauges or vernier calipers. How...

Claims

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Application Information

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IPC IPC(8): G01B5/00G01B5/12
Inventor 秦鹏朱继生季红丽程慧杰
Owner SHANDONG BEST PRECISION
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