BTM Corp. Prepainted Metal Clinching
May 2008
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Using prepainted steel and aluminum for the manufacture of appliances and other consumer products has made a major contribution in the effort to reduce the cost of appliance manufacturing. However, the numerous benefits of using prepainted metals can only be realized when the fabrication of these parts is combined with an assembly method that is equally cost-effective. This process is Tog-L-Loc clinching. 

The Tog-L-Loc clinching method uses simple punch-and-die tooling, which draws the metals into a pocket then forms them into a round, leakproof interlock. The sides of the die expand as the metals are interlocked to form a kind of rivet head. The punch is then withdrawn and the joined parts are easily removed from the die. The process takes just a fraction of a second.

Tog-L-Loc punch-and-die tooling has the unique ability to cause the metals to flow into the interlocked shape with a relatively low amount of force being exerted on the metals and their paint. Tog-L-Loc creates virtually no heat, so it will not burn the paint from the metals being joined. This makes Tog-L-Loc well suited for joining prepainted metals with a reduced possibility of upsetting the paint. 

Prepainted metals are available with different paint formulas. Most products are designed placing Tog-L-Loc joints on nonview surfaces which permit more visual tolerance toward paint quality.

Contact BTM to discuss your next cost-saving, product-assembly requirement and to receive a sample of your metals and their paint coating joined with Tog-L-Loc. Web site:  BTM Corp.


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