Computer controlled metal material indentation load-displacement data measurement system

A metal material, press-in load technology, applied in the direction of measuring device, analyzing material, testing material hardness, etc., to achieve the effect of easy installation, reliable installation, reliability and anti-interference.

Inactive Publication Date: 2016-08-10
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are certain problems with the above indentation testing system

Method used

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  • Computer controlled metal material indentation load-displacement data measurement system
  • Computer controlled metal material indentation load-displacement data measurement system
  • Computer controlled metal material indentation load-displacement data measurement system

Examples

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Embodiment Construction

[0031] The present invention is described in detail below in conjunction with accompanying drawing:

[0032] The present invention is to use computer-controlled metal material indentation load-displacement curve indentation test system, such as Figure 1-2 shown. The test system includes mechanical part and electrical part. The computer communicates with the servo linear motor through RS485 serial communication and with the load / displacement sensor through a protocol converter (gateway) for TCP / IP communication.

[0033] The mechanical part includes a servo linear motor (1), a spherical indenter (6), an indenter handle (7), a load sensor (5) and a displacement sensor (11).

[0034]The servo linear motor (1) is the TritexII AC T2M075 integrated roller screw linear electric servo actuator of the American EXLAR company. This servo linear motor combines the AC-powered servo driver, digital positioning controller, brushless servo Units are integrated in a fully sealed unit. The ...

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Abstract

Belonging to the technical field of material mechanical performance testing, the invention discloses a computer controlled metal material indentation load-displacement data measurement system. The measurement system comprises a mechanical part and an electric control part, the mechanical part is in charge of providing pressure for manufacturing indentations, and the electric control part is responsible for controlling linear motor motion and collecting and processing data. Linear motor motion drives a pressure head to manufacture indentations, a load sensor and a displacement sensor are respectively used for measuring the load applied to the pressure head and the pressure head displacement, and the load and the displacement data are respectively input into a gateway through a two-channel analog input electronic module and an SSI electronic module respectively. By means of an "IBIS2015 load-displacement data acquisition program" developed by programming software Delphi 7, a computer can realize serial communication with the servo linear motor, the displacement sensor and the load sensor through the gateway, thus finishing control of motor motion and acquisition of relevant data.

Description

technical field [0001] The invention relates to the technical field of testing the mechanical properties of metal materials, in particular to a computer-controlled metal material press-in load-displacement data measurement system. Background technique [0002] At present, the determination of conventional mechanical properties of metal materials (such as elastic modulus, work hardening index, yield strength, tensile strength, hardness, etc.) includes two categories: direct method and indirect method, and many different methods are involved in these two categories. Methods of testing or estimating material properties. There are two types of direct methods, destructive and nondestructive. The destructive type includes the measurement of standard tensile specimens, the measurement of micro-tensile specimens, the measurement of micro-shear (single-hole or double-hole type), and the measurement of micro-punching; the non-destructive type mainly uses the indication indentation te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/40G01N3/02
CPCG01N3/40G01N3/02G01N2203/005G01N2203/0082
Inventor 陈怀宁赵帅捷李东旭阚盈陈静
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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