Metal wire material stretching mechanical property testing device

A test device and metal wire technology, applied in the direction of testing the ductility of materials, etc., can solve the problems of high manufacturing cost, complicated operation, complex structure, etc., and achieve the effect of low cost, simple operation, and small volume

Active Publication Date: 2008-06-11
GRIMAT ENG INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Ordinary metal material testing machines have complex structures, large volumes, and high manufacturing costs, and the operation is more complicated when testing the tensile mechanical properties of metal wires.

Method used

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  • Metal wire material stretching mechanical property testing device

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Embodiment Construction

[0011] The present invention provides a testing device for tensile mechanical properties of metal wires, which is used for testing the tensile mechanical properties of metal wires. The present invention will be further described below in conjunction with the accompanying drawings.

[0012] As shown in Figure 1, it is the schematic diagram of the testing device for the tensile mechanical properties of the metal wire of the present invention, which consists of: the servo motor 2 and the reducer 3 are connected and fixed on the workbench 1, and the reducer 3 is used to reduce the rotating speed of the servo motor 2 . The ball screw 5 is connected with the speed reducer 3 through the coupling 4, and the coupling 4 plays the role of connecting the speed reducer 3 and the ball screw 5. The slide table 6 is connected with the ball screw 5 through a ball screw pair, and when the ball screw 5 rotates, the slide table 6 moves along the axial direction of the ball screw 5 . The displace...

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Abstract

The invention relates to a metal wire material drawing force performance testing device for testing the drawing force performance of metal wire material, which utilizes measuring the drawing deformation displacement of the metal wire material and the drawing force loaded on the metal wire material, according to the length and diameter of the metal wire material, counts the strain and stress of engineering, and obtains the drawing force performance of the metal wire material according to the gotten engineering stress-strain curve under different temperature. The invention also provides a device used for testing the drawing force of the metal wire material. The device has simple structure, small volume, light weight and low cost, which makes the combining testing accuracy of the method and the device in the invention high. The measured data is reliable and the operation is simple.

Description

technical field [0001] The invention relates to a testing device for mechanical properties of materials, in particular to a testing device for tensile mechanical properties of metal wires, specifically a device for accurately measuring the tensile deformation displacement of metal wires by using a displacement sensor and accurately measuring the loading by using a force sensor. Based on the tensile force of the metal wire, the engineering stress-strain curve is calculated according to the length and diameter of the metal wire to obtain the tensile mechanical properties of the metal wire. At the same time, the environmental temperature control box can adjust different ambient temperatures to obtain the Test setup for tensile mechanical properties at different temperatures. Background technique [0002] Metal materials usually bear loads during their service, and their mechanical performance testing is particularly important. At present, the tensile mechanical properties of m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/28
Inventor 米绪军高宝东李艳锋谭冀尹向前
Owner GRIMAT ENG INST CO LTD
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