Impact testing machine for ceramic pendulum bob

A technology of impact testing and ceramics, applied in the direction of applying repeated force/pulsation force to test the strength of materials, etc., can solve the problems of impact height error, impact point error, etc., achieve high accuracy, small error, and improve work efficiency.

Inactive Publication Date: 2014-02-26
深圳天祥质量技术服务有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of impact height error and impact point error in the testing process of the above-mentioned prior art, the present invention provides a ceramic pendulum impact testing machine, which can effectively overcome the impact height error and impact point error in the testing process, and improve The accuracy of the test ensures the accuracy of the test results

Method used

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  • Impact testing machine for ceramic pendulum bob

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Embodiment Construction

[0014] A ceramic pendulum impact testing machine of the present invention will be further described in detail below in conjunction with specific embodiments.

[0015] Such as figure 1 As shown, the present invention proposes a ceramic pendulum impact testing machine, comprising a support frame 1, an arc-shaped dial 2, an electromagnet 3, a pendulum 4, a fixture 5 and a linear motor 6 for fixing a sample to be tested; the fixture 5 includes The base 50, two fixed fulcrums 51 and one movable fulcrum 52, the three fulcrums are symmetrically fixed on the base 50, the movable fulcrum 52 includes a hand wheel 521, a support seat 522, a screw 523, a baffle plate 524 and a guide rail 525, and the support seat 522 is fixed Connected to the base 50, the support seat 522 is provided with a threaded hole matching the screw 523, and one end of the screw 523 passes through the threaded hole and is fixedly connected to the hand wheel 521, and the other end is fixedly connected to the baffle ...

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Abstract

The invention discloses an impact testing machine for a ceramic pendulum bob. The impact testing machine comprises a supporting frame, a circular-arc-shaped dial, a fixed releasing device, a pendulum bob and a clamp for fixing a sample to be detected, wherein the circular-arc-shaped dial is fixedly connected to the supporting frame; the circular-arc-shaped dial is provided with a circular-arc-shaped rail on which the fixed releasing device moves; the circular-arc-shaped rail and the circular-arc-shaped dial are concentric circles; the pendulum bob comprises an oscillating arm and a bob body; one end of the oscillating arm is fixedly connected with the bob body and the other end of the oscillating arm is fixedly connected to the circle center position of the circular-arc-shaped dial; the length of the oscillating arm is adapted to the radius of the circular-arc-shaped rail. According to the device, the disadvantages in the prior art are overcome; the precision adjustable height is realized by the dial; the impact testing machine can electrically lift up and down to determine an impact point; an electromagnet is used for releasing the pendulum bob and the clamp is convenient and firm, so that a test with small errors and high accuracy is realized and the working efficiency is improved effectively.

Description

technical field [0001] The invention relates to an impact testing instrument, in particular to a ceramic pendulum impact testing machine. Background technique [0002] In the standard ASTM C368-88(2011) Standard test method for impact resistance of ceramic tableware and BS EN12980:2000Materials and articles in contact with foodstuffs-non-metallic articles for catering and industrial use Method of test for the determination of impact resistance, and CERAM PT32 Handle strength of ceramic holloware articles stipulates that a pendulum impact test with a simulated certain energy should be carried out on daily-use ceramic products (bowls, plates, cups, etc.) through a device similar to a pendulum, that is, by lifting the pendulum each time Then let go of the pendulum and let it hit the position of the sample to be tested freely until the sample is cracked or damaged. Calculate the impact energy of the product according to the formula E=mgh (m is the weight of the pendulum, g is th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/34
Inventor 王铁军韦聪徐洋
Owner 深圳天祥质量技术服务有限公司
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