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Product category: Measurement systems
News Release from: RDP Electronics | Subject: D5/100AG gauging LVDT transducers
Edited by the Manufacturingtalk Editorial Team on 05 September 2003

LVDTs prove vital for 'poke-yoke'
assembly quality

Oil pipe assembly machine uses gauging LVDT transducers to measure bolt positions and assembly dimensions, ensuring, for example, that only one washer has been assembled in place, not two.

RDP Electronics has recently assisted Southampton-based B.K Automation in the design of a two-station assembly and proofing machine for a client in the automotive industry

The machine produces five versions of high-pressure oil pipe assembly used in turbochargers and relies on highly accurate measurements to achieve what the Japanese refer to as 'Poke-Yoke' or to 'avoid inadvertent mistakes'.

The oil pipes pass through various stages of assembly and proofing, and RDP's D5/100AG gauging LVDT transducers measure bolt positions and assembly dimensions, ensuring, for example, that only one washer has been assembled in place, not two.

Outputs from the LVDTS are amplified by RDP's S7AC, which send a 0-10V analogue signal to a PLC preset with pass/fail limits.

'Pick and place' robots transfer the assembly between stations of the machine, rejecting any that do not reach the required standard.

Details of RDP's D5G range are available on its website where a copy of the latest newsletter 'Transducer Action' can be requested, free of charge. Request a free brochure from RDP Electronics ...

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