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Additives | Amapure

RAUCH Landmaschinenfabrik GmbH is an internationally renowned manufacturer of fertilizer spreaders, seed drills, and winter spreaders. Its products enable precise dosing and distribution for needs-based plant nutrition. The team at RAUCH work closely with abrasive experts at Ervin to continuously improve their shot blast process.

"Blasting with Ervin's medium-hard grit and keeping the abrasive clean with Amapure has taken our surface pretreatment to the next level."

Peter Huck, Technical Manager OFT / RAUCH

 

Challenge

Workpieces are shot-blasted before coating and must be completely free of oil and grease to ensure perfect coating adherence. During normal operation, RAUCH's operating mix showed high levels of oil and grease contamination – despite the use of an additive. The water droplet test resulted in flow times of approximately 4 minutes (normally < 20 seconds). The quantities of additive required were high and costly, which is why RAUCH decided to try Ervin's new product, AMAPURE.

 

Solution

In a shot blast machine with twelve blast wheels, daily tests were conducted over several weeks directly comparing Amapure and a competitor's product. Contamination levels were documented using a water droplet test.

Result

With the same dosage, Amapure achieved 50% better cleaning performance. This reduced operating costs and environmental impact (waste disposal).
"The switch to grit in combination with Amapure paid off double for RAUCH – better surfaces and a more economical process."

Robert Mult, Technical Consultant / Ervin

 

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