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Machining method of tensile specimen

A technology for tensile samples and processing methods, which is applied in the field of mechanical processing, can solve problems such as the tensile properties of threads at both ends of the easily damaged thread, and achieve the effect of ensuring accuracy

Active Publication Date: 2016-01-20
GUANGXI YUCHAI MASCH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a kind of processing method of tensile sample, thus overcome the defect that existing sample processing method is easy to damage the thread at both ends and lead to the test result of tensile performance

Method used

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  • Machining method of tensile specimen
  • Machining method of tensile specimen

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Embodiment Construction

[0020] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0021] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0022] Such as figure 1 As shown, the processing method of the tensile sample according to the specific embodiment of the present invention comprises the following steps:

[0023] Cut the sample to be processed into a rectangular blank of a certain size.

[0024] Clamp the blank with the three-jaw clamp 5 of the processing equipment, and process the blank into a cylindrical tensile sample 1, such as figure 2 shown.

[...

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Abstract

The invention discloses a machining method of a tensile specimen. The machining method comprises steps as follows: a workblank of the tensile specimen is clamped by a clamping device and is machined into a cylindrical tensile specimen; a first end of the tensile specimen is clamped by the clamping device, and a section of external threads is machined at a second end of the tensile specimen; the middle of the tensile specimen is clamped by the clamping device, and a section of external threads is machined at the first end of the tensile specimen; a thread sleeve matched with the external threads of the tensile specimen is machined and divided into two half thread sleeves; one half thread sleeve is mounted on the external threads of the first end or the second end of the tensile specimen; the thread sleeves are clamped by the clamping device, and the middle is machined into a preset shape. According to the machining method, texture of the machined threads is effectively protected on the basis of no need of substantial change of the clamping device of machining equipment, the threads are not damaged, the machined tensile specimen meets the specification standard of a tensile test specimen, and the accuracy of a tensile test is guaranteed.

Description

technical field [0001] The invention relates to the field of mechanical processing, in particular to a processing method for tensile samples. Background technique [0002] Tensile test is a test to determine a series of properties of materials under tensile load, also known as tensile test. It is one of the basic methods of material mechanical performance testing, mainly used to check whether the material meets the specified standards and to study the performance of the material. [0003] In the tensile test, it is necessary to use a tensile fixture to fix the sample to be tested, and the tensile fixture is determined by the size of the sample and the magnitude of the test force. When the sample is cylindrical, it is necessary to use a double-sided structure fixture to fix the sample. Therefore, it is necessary to process threads at both ends of the sample to prevent the sample from slipping during the tensile test and ensure the accuracy of the test process and results. s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28
Inventor 王艺东庞建召秦宗力黄世林
Owner GUANGXI YUCHAI MASCH CO LTD
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