Processing method of tensile test 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: 2018-01-30
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

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  • Processing method of tensile test specimen
  • Processing method of tensile test specimen
  • Processing method of tensile test 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 processing method for a tensile sample, which comprises the following steps: clamping the blank of the tensile sample with a clamping device, and processing the blank into a cylindrical tensile sample; clamping the blank with the clamping device At the first end of the tensile sample, process a section of external thread at the second end of the tensile sample; clamp the middle of the tensile sample with a clamping device, and process a section of external thread at the first end of the tensile sample. Thread; process a threaded sleeve that matches the external thread of the tensile specimen, and separate the threaded sleeve into two identical half-screwed sleeves; install a half-screwed sleeve on the external thread of the first or second end of the tensile specimen On; use the clamping device to clamp the screw sleeve, and process the middle part into a predetermined shape. The processing method of the present invention effectively protects the texture of the processed thread from damage without substantially modifying the clamping device of the processing equipment, and ensures that the processed tensile sample meets the tensile test requirements. The specifications and standards of the samples ensure the accuracy of the tensile test.

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 Patents(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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