Product category:
Non-destructive testing equipment
News Release from: Bosch Rexroth | Subject: PSQ ultrasonics quality assurance system
Edited by the Manufacturingtalk Editorial
Team on 17 July 2001
Ultrasonics check welds in-process
With its PSQ ultrasonics quality assurance system, the Electric Drives and Controls Division of Bosch Rexroth has made a significant contribution to assure the quality of spot welds.
With its PSQ ultrasonics quality assurance system, the Electric Drives and Controls Division of Bosch Rexroth has made a significant contribution to assure the quality of spot welds The system is supplied as an option with the company1s PS 6000 resistance welding controls
This article was originally published on Manufacturingtalk on 25 Jul 2001 at 8.00am (UK)
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PSQ monitors electrical resistance spot welding quality in-process.
Ultrasonics pulsation is used to determine the size of the weld nugget and can signal changes in welding current to achieve a good welding nugget size according to given nominal values.
The control with PSQ compensates for various interference variables and so guarantees a constant weld quality, says Bosch Rexroth.
PSQ consists of five components.
A USR ultrasonics control board is integrated with the PS 6000 and the USP ultrasonics signal processor, which is mounted on a welding gun or pedestal or automatic welding machine.
The USE sensor system is made up of an ultrasonics transmitter and receiver.
The USW software package processes signals and manages the system.
It also provides statistical production and welding data.
The PS 6000 and PSQ products are intended particularly for the automotive industry, such as in automated car body fabrication and parts production.
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