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Product category: Washing and pretreatment
News Release from: Guyson International | Subject: Integrated wash and blast surface finishing system
Edited by the Manufacturingtalk Editorial Team on 01 October 2002

Wash and blast system cleans at 300
parts/h

One of France's largest automotive parts makers has recently installed a totally integrated wash and blast surface finishing system to deburr the holes and rims of 90mm spacers at 300 pieces/h.

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 comple tely 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 withclockwork 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 øC 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. Request a free brochure from Guyson International ...

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