Product category:
Vision and Colour Sensors
News Release from: Cognex UK | Subject: In-Sight 1000
Edited by the Engineeringtalk Editorial
Team on 16 July 2004
Nissan spots the difference with new
camera
When Nissan needed to replace two existing obsolete camera systems with one offering improved capability for precision work, it was clear that a little insight was required.
When Nissan needed to replace two existing obsolete camera systems with one offering improved capability for precision work, it was clear that a little insight was required Nissan then approached Capley-Marker, a Warrington-based systems integrator specialising in the automotive industry, which proposed the Cognex In-Sight 1000 colour cameras
This article was originally published on Engineeringtalk on 1 Nov 2001 at 8.00am (UK)
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At the DaimlerChrysler Stamping Plant in Twinsburg, Ohio, an automated process of handling stamped truck-bed parts was needed for the company's full-sized Dodge pickup truck production.
The cameras were required to locate the radial force variation (RFV) spots on the tyre and wheel and then transmit the angle between the two spots back to the machine's main control system.
The tyre spot would then be rotated to align with the wheel's spot.
The key benefit to the spots being aligned is that the RFV is reduced resulting in improved handling of the car.
There were many different variations that needed to be located by the vision system; for example, the spots the camera had to detect were of different colours; the wheels could be one of three sizes (14, 15, or 16in rims); and the tyres could be of any profile.
Despite all the different combinations, the In-Sight cameras are able to provide accurate information on each wheel and tyre.
For each camera system a PC was supplied and installed in the new control console that enabled the operator to view real-time inspection results.
The camera application was developed so that images of the inspected tyres can be saved as onto the PC and the operator is able to store any or all images for further analysis.
An additional key benefit is that the new camera system was developed around an upgrade to the old, meaning that no modifications were required to the machine's main control system.
Information from the cameras continues to be sent to the machine's main control system via its serial port, which is then converted into a 13bit digital BCD output.
Integrated machine vision from Cognex has provided Nissan with a bespoke system with advanced features.
The complete system ensures quality assurance while maintaining the required production levels. Request a free brochure from Cognex UK ...
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