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Device and method for detecting bimetallic thermo-sensitive property

A detection device and detection method technology, which is applied in the direction of measuring device, material thermal analysis, mechanical solid deformation measurement, etc., can solve the problems of instruments without bimetallic thermal performance, and meet the requirements of specific bending performance detection and high measurement accuracy , Measuring the effect of good repeatability

Inactive Publication Date: 2010-09-22
宝钢特钢有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] At present, there is no ready-made complete set of instruments for testing the thermal performance of bimetals on the market

Method used

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  • Device and method for detecting bimetallic thermo-sensitive property
  • Device and method for detecting bimetallic thermo-sensitive property
  • Device and method for detecting bimetallic thermo-sensitive property

Examples

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Embodiment 1-48

[0055] A bimetal thermal performance detection device includes a flexometer 1, a temperature control oil tank 2 placed under the flexometer, and an electronic contact indicator 3 connected with the flexometer. The flexometer includes: a support platform 4, a sample holding rod (rack) 5 arranged on the support platform and submerged in the temperature control oil tank 2, and a measuring pen 6 that can move on the support platform. The measuring pen It includes a micrometer head 7 and a measuring rod 8 connected to the micrometer head 7 via a connecting block 12, submerged in the temperature control oil tank 2 and in contact with the sample.

[0056] The measuring pen can be moved on the support platform through the moving slide on the top of the support platform. A handle 16 is designed on the flat plate on the top of the support platform and fixed on the moving slide, so that the above-mentioned flexometer can be moved conveniently.

[0057] The measuring rod has the same cross-sec...

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Abstract

The invention discloses a device and a method for detecting bimetallic thermo-sensitive property. The device comprises a torsion measuring device, a temperature control oil tank arranged below the torsion measuring device and an electronic contact indicator connected with the torsion measuring device, wherein the torsion measuring device comprises a bracket platform, a sample holding rod (bracket) arranged on the bracket platform and submerged in the temperature control oil tank and a measuring pen capable of moving on the bracket platform; and the measuring pen comprises a micrometer head and a measuring rod which is connected with the micrometer head by a connecting block and submerged in the temperature control oil tank and contacts a sample. According to the device and the method for detecting the bimetallic thermo-sensitive property, the 'specific thermal deflection value' of a thermal bimetallic sample at the temperature of between 20 and 300 DEG C can be measured, and the maximal measurement deviation does not exceed + / - 1.0 percent, which meets precision requirements of national standard GB / T8364-1987 'Test Method for Specific Thermal Deflection of thermostat Metals'.

Description

[0001] The invention relates to a detection device and a detection method for the physical properties of metal materials, in particular, the invention relates to a detection device and a detection method for measuring the thermal sensitivity ratio bending of bimetals. Background technique [0002] Thermal bimetal is a composite material formed by metal (or alloy) of component layers (two layers, or more than two layers) with different expansion coefficients, which are firmly combined with each other along the entire contact surface. [0003] Due to the different thermal expansion coefficients of the component layers and the uneven internal stress distribution of the thermal bimetal section, when the temperature of the thermal bimetal changes (such as when heated), the curvature of the composite material will change and deform. When the deformation is restricted, energy exchange is carried out to convert thermal energy into mechanical energy, generating displacement and thrust, so th...

Claims

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Application Information

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IPC IPC(8): G01N25/00G01B5/30
Inventor 华瑛蔡士达孙时秋
Owner 宝钢特钢有限公司
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