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Processing apparatus and method for automatically correcting chamfer angle

A processing device and chamfering technology, applied in the field of machining, can solve problems such as uncontrollable tolerance changes, chamfering dimensions that do not meet accuracy requirements, etc.

Active Publication Date: 2018-11-30
BEIJING SHOUGANG COLD ROLLED SHEET
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a processing device and method for automatically correcting chamfering, which solves or partly solves the problem of uncontrollable presence of samples in the process of processing sample chamfering in the absence of high-precision numerical control machine tools in the prior art. Tolerance changes, resulting in the technical problem that the chamfer size of the sample does not meet the accuracy requirements

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  • Processing apparatus and method for automatically correcting chamfer angle
  • Processing apparatus and method for automatically correcting chamfer angle
  • Processing apparatus and method for automatically correcting chamfer angle

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Embodiment Construction

[0024] see Figure 2-5 , A processing device for automatically correcting chamfering provided by an embodiment of the present invention includes: a tool holder 1 , a shaft 2 , a preload adjusting mechanism 3 and a cutting mechanism 4 .

[0025] A channel is opened in the knife seat 1 .

[0026] The first end of the shaft 2 passing through the channel is movably arranged in the channel.

[0027] The pre-tightening force adjusting mechanism 3 is arranged at the second end of the channel, and the pre-tightening force adjusting mechanism 3 is in contact with the first end surface of the shaft 2 .

[0028] The cutting mechanism 4 is connected with the second end surface of the shaft 2 .

[0029] Wherein, the pretightening force adjusting mechanism 3 releases the pretightening force, drives the shaft 2 to move in the channel, and the action of the shaft 2 pushes the cutting mechanism 4 to perform cutting action.

[0030] Specific Embodiments of the Application Since there is a ch...

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Abstract

The invention discloses a processing apparatus and method for automatically correcting a chamfer angle, which belongs to the technical field of machining. The processing apparatus for automatically correcting the chamfer angle comprises a cutter holder, wherein a passage is arranged in the cutter holder; a first end, penetrating through the passage, of a shaft is movably arranged in the passage; apretightening force adjusting mechanism is arranged on the second end of the passage, and the pretightening force adjusting mechanism contacts a first end surface of the shaft; and a cutting mechanism is connected with a second end surface of the shaft. By adopting the processing apparatus and method for automatically correcting the chamfer angle, a machine tool bit can automatically follow one side of a processed surface of a test sample, so that the chamfering position can be precisely controlled, and the needed arc chamfer angle can be machined.

Description

technical field [0001] The invention relates to the technical field of machining, in particular to a processing device and method for automatically correcting chamfering. Background technique [0002] Mechanical performance testing is an essential part of the laboratory in the metallurgical industry. The data of the tensile test can be used to determine the elongation, tensile strength, yield point, and yield strength of the material. For rods with a diameter ≥ 4mm the type of test piece is usually a machined round bar-shaped test piece, see figure 1 , where d0 is the diameter, L0 is the original gauge length, Lc is the parallel length, Lt is the total length of the sample, and S0 is the original cross-sectional area. Due to the requirements of processing accuracy, certain dimensional errors are allowed in the processing of circular tensile samples, such as the size tolerance of 25mm samples is ±0.1mm, and the above-mentioned samples need to be headed through the props in t...

Claims

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Application Information

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IPC IPC(8): G01N1/28B23D79/00
CPCB23D79/00G01N1/28
Inventor 张有为陈海涛董连超任君茹
Owner BEIJING SHOUGANG COLD ROLLED SHEET