Letter 8054

Protective shielding for powder coat system paint hooks

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We have an electrostatic powder coat finishing system on which we use steel paint hooks to hang our product on as it passes through the system. The problem being that we experience massive paint build-up on these hooks over time. We currently are having these hooks burned off on a monthly basis. I am looking for a way to eliminate this build-up in an attempt to cut the cost of burning and also reclaim a portion of this powder build-up. Please send ideas on product, cost, and availability.

Thanks,

John McNabb
Shelby-Williams - Greeneville,TN,USA

Unfortunately there is very little, that I know of, that you can do. Your hooks must ensure a good earth reaches your work piece, in doing this they themselves have a good earth which powder is attracted to. One suggestion is to blow the powder off of the hooks before they reach your oven, however beware not to blow the powder off of your work piece.

Good Luck

Drew Devlin
- North Lincolnshire

I have worked on this problem before. The easiest way to fix this is to place some hi-temp cured silicone tubing over your hooks. They will build up eventually but the paint breaks off. This is also a cheap item & can be cut off & replaced.

Sincerely,

Cliff Shephard
Charlotte, NC

Dry Ice blasting will clean off any product and recapture whatever residue was on the product.

Paint residue is easily removed by dry ice blasting.

Dry ice blasting will replace most solvents.

Ken Doenges
Consultant to Manufacturing - Warrenville, IL

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