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Need quick drying paint suggestions
2

Need quick drying paint suggestions

Need quick drying paint suggestions

(OP)
Hi,

I have an industrial application where I need to occasionally spray paint on steel after a rolling mill.  The paint is needed to mark defect areas that were detected during the rolling process.  Much farther down the processing line (after going through other operations and accumulators) the paint is camera detected to reject the product.

The challenge is to find a quick drying paint so that the paint can tolerate handling by automatic equipment without transfer to the machinery or other product.  It would be ideal to dry within 2 or 3 seconds.

Any suggestions are appreciated.

ERT

RE: Need quick drying paint suggestions

How about a sticker?

RE: Need quick drying paint suggestions

I would take a look at inks rather than paints.

RE: Need quick drying paint suggestions

Dykem can be had in spray cans in a modest variety of colors, and dries pretty quick.

Mike Halloran
Pembroke Pines, FL, USA

RE: Need quick drying paint suggestions

I'm sure there are numerous paints available if the only requirement is to dry quickly.  

I know there are "pre-construction primers" which must provide limited corrosion protection AND be weldable, and these dry in a minute or less.  

The only problem may be from a VOC perspective, but I would imagine a case could be made that low volume and/or local ventilation control would allow use of a high VOC coating.

RE: Need quick drying paint suggestions

Contact one of the shipbuilding companies (shipbuilding, not boats) and ask to speak to their paint foreman.  Aker-Kvaerner, Northrop Grumman Ship Systems, Bath Iron Works, Electric Boat, Northrop Grumman Newport News...I would imagine they have something like this that they use.

Garland E. Borowski, PE
Borowski Engineering & Analytical Services, Inc.
Lower Alabama SolidWorks Users Group

RE: Need quick drying paint suggestions

(OP)
Hi all,

Thanks for your input.

Yes, ink is a viable alternative.  The people at www.efd-inc.com and Dykem have been helpful.

On the quick drying paint option, it appears that UV curing a UV sensitive paint is the way to go.

Regards,

ERT

RE: Need quick drying paint suggestions

While I haven't tried it on paints, we did use a high wattage radiant heat lamp to help dry magnesium hydroxide painted onto the top of parts on one of our part lines.  (Yes, we cover metal parts in laxative)  Sounds like you have a solution, but I figured I'd toss another one out.

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