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Bending test device and test method using bending test device

A technology of bending test and clamping device, which is applied in the direction of measuring device, using stable bending force to test material strength, and applying repeated force/pulsating force to test material strength, etc., which can solve the problem of single test variable

Pending Publication Date: 2022-01-11
SUZHOU SUSHI TESTING INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a kind of bending test device, to solve the problem that the test variable of existing bending test device is single

Method used

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  • Bending test device and test method using bending test device
  • Bending test device and test method using bending test device
  • Bending test device and test method using bending test device

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Embodiment Construction

[0024] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention provides a bending test device, which is used for carrying out a bending fatigue test on a plate type sample piece and comprises a vibration table body, a vibration coil arranged on the vibration table body, a follow-up connecting part arranged on the vibration coil and a static fixing part arranged on the vibration table body, one end of the plate type sample piece is fixed on the static fixing part, and the other end of the plate type sample piece is fixed on the follow-up connecting part. According to the bending test device and the test method using the bending test device, the vibration fatigue test can be carried out on the plate type sample pieces with different lengths, thicknesses and sizes; a vibration coil is used as an excitation source, parameters such as waveform, speed and displacement of a vibration test can be controlled, and real working conditions of a sample piece can be reproduced in a more diversified manner, so that more strict assessment can be carried out.

Description

technical field [0001] The invention relates to a bending test device and a test method using the bending test device. Background technique [0002] When performing fatigue tests, a common test piece is a thin metal plate, which requires a long-term bending fatigue test. At present, the commonly used test instrument in the market is the sheet metal bending test machine, which mainly uses mechanical transmission, applies test torque, makes the sample bend repeatedly, and uses a photoelectric switch to detect the number of bending tests. The bending test machine drives a crank-swing rod mechanism through a belt drive, and drives the swing rod to repeatedly swing clockwise 90° and then counterclockwise 90°, so that the swing rod drives the sample to bend repeatedly to achieve the purpose of the test. A counting device for counting is installed on the pendulum, and every time it swings back and forth, a signal is collected to achieve the purpose of counting. [0003] The exist...

Claims

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Application Information

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IPC IPC(8): G01N3/02G01N3/04G01N3/20G01N3/38
CPCG01N3/02G01N3/04G01N3/20G01N3/38
Inventor 葛鹏飞钟琼华
Owner SUZHOU SUSHI TESTING INSTR CO LTD