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INTEGRATED WASH AND BLAST SYSTEM
One of France's largest manufacturers of automotive components recently installed a totally integrated Wash and Blast
surface finishing system from Guyson International to deburr the holes and rims of two sizes of 90mm diameter spacers
at a target production rate of 300 components per hour.
The fully synchronised system combines the use of a Guyson Multiblast® RXS900, indexing rotary table, multiple gun,
beadblasting machine with a Guyson Marr-Line 400/3, indexing in-line conveyor, three-stage aqueous wash, rinse, dry
and cool machine. The process sequence starts by robotically loading newly pressed components, one at a time, on to
one side only, of a series of dedicated jigs fixed to the conveyor of the Marr-Line wash machine during a 4 second
dwell time which is then followed by a 2 second index. This is repeated throughout the synchronised system as the
conveyor moves at a fixed speed of 3 metres per minute.
Upon arrival on the extended out-feed section of the machine in a completely clean and dry condition each component
is transferred during the dwell time to one of six custom built rotary component carriers fixed to the rotating spindles
of the RXS900 Multiblast®.
All loading and processing operations are synchronised and linked to the precise movement of the RXS indexing turntable
to ensure that each component stops with clockwork accuracy in the same position, for the same timed period, every time.
As each pressing stops at the first of two blast finishing stations it is rotated on its own axis during which time it
receives simultaneously a measured bead blast burst from three strategically positioned blast guns. It then progresses
to the second blast finishing station where the process is repeated before being transferred to the air wash cleaning
chamber where surface dusts and fines are removed.
Emerging to a position outside the cabinet the component is robotically off-loaded and transferred for the second time
to the Marr-Line 400/3 except that on this occasion it is placed on the opposite side of the dedicated jig.
At this point, pressings begin to be carried through the system side by side, one lane consisting of components in a
post-pressed condition en-route to be deburred and surface finished, the other with components in a post-blasted
condition. With components on both sides needing to be simultaneously washed, rinsed, dried and cooled to a surface
temperature of less than 40 °C to allow the finished pressings to be packed immediately prior to dispatch.
With each side processing at the rate of 300 parts per hour a factory production rate of 600 parts per hour is achieved.
Free component trials
Whether your interest is in blast, wash or ultrasonic cleaning equipment, we offer FREE component trials, with no obligation to buy. To contact Guyson International, call on +44 (0)1756 799911, fax +44 (0)1756 790213, or email info@guyson.co.uk.
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