Zip-Tech is a proprietary technology from Dufresne Manufacturing that replaces welding. The ‘zippered’ edges are punched into the part at the turret and are snapped together during the forming process. The process reduces the need for welding, grinding, and even outside finish in some applications by allowing for the joining of pre-plate materials which are otherwise considered hazardous in the welding process. The process can save customers up to 35 per cent on select parts. Zip-Tech is best suited for joining corners, but it can also join different metals. Customers include 3M, CNT and Ciprico.
Oak Ridge National Laboratory has developed a surface preparation method to improve joining carbon composites with aluminum, with potentially far-reaching ramifications for high-volume industrial applications.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies.
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