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Coating Pressed Iron Cylinders

We want to produce pressed-iron right circular cylinders and want to paint them using a polyurethane enamel in several colors. How do you suggest we go about this?

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Q. We are setting up a production line for a new product. We want to produce pressed-iron right circular cylinders. They will range in length from 0.2–0.5 inches and in diameter from 1.0–4.0 inches. The diameter to length ratios range from 1:1 to 8:1. We want to paint them using a polyurethane enamel in several colors. The coatings must applied at a three mil dry film thickness on one style product and six mils on the other style product. Oven curing is a possibility. How do you suggest we go about this? B. R.

 

A. The right circular cylinders can be coated by spray application. Multiple passes will be necessary. They can be hung on a chain on edge conveyor having magnets to hold the products upright. The products can pass though a spray booth having automatic electrostatic spray guns. To get a second opinion, I suggest you contact a painting equipment expert at the conveyor suppliers listed on pages 253–257 of the PRODUCTS FINISHING 2007 DIRECTORY AND TECHNOLOGY GUIDE.

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