Product category:
Materials testing equipment
News Release from: Zwick Testing Machines | Subject: Automatic feed system
Edited by the Engineeringtalk Editorial
Team on 24 May 2006
Speeding up tensile tests for metal
specimens
Small automatic feed system with a magazine for 20 samples especially for implementation in the metal industry for tensile testing.
Tensile tests for metal specimens such as wires are often performed in small series of five to 20 single specimens This provides a statistical value for the test results and can identify individual deviations
This article was originally published on Engineeringtalk on 17 Jan 2003 at 8.00am (UK)
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The time required for testing a series with 20 specimens is between 15 and 45min, depending on specimen strain and testing speed.
If multiple operators perform the tests, the results generally show greater variance.
Even different hand temperatures can be a contributing factor.
There is potential for improvement through the automation of these testing processes, and Zwick has developed a small automatic feed system with a magazine for 20 samples especially for implementation in the metal industry.
Specimens whose dimensions have previously been measured are placed in the specimen magazine and tested automatically.
In a statistical sense, the handling system functions as a single operator and places the specimens in the testing machine in exactly the same position every time.
This solves the problem of different hand temperatures and the reproducibility of test conditions is guaranteed.
The testing machine and robotic feeding system are controlled by Zwick's proprietary software, Testxpert II, and at the end of the test series the results can be printed on a test report, exported to a database or Microsoft Office program, or stored in a data file with all control parameters used for the test.
It avoids repetitive processes for operators enabling them to be deployed on more important tasks.
Because of improved testing efficiency, the system generates tests results faster, with significantly higher integrity, and is quickly amortised. Request a free brochure from Zwick Testing Machines ...
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