Gaskets, Seals and Washers
Quality stamping processes are used to manufacture gaskets, seals and washers. Electrical insulators, special washers and custom gaskets can also be produced in this way. For clarification, the following distinctions are offered:
A gasket is generally regarded as a layer of material between surfaces or parts that are in contact and need to be sealed. It can be die cut or made by steel rule cutting from elastomers, rubbers, felt, paper, metals or plastics. Depending on the application, cotton products treated with graphite are used.
Seals render contacting or connecting joints airtight and fluid-tight to prevent the entry or escape of air, solids and liquids that could contaminate or damage the joint being protected. Processes conducted in the presence of a vacuum are also preserved by sealing.
Washers are defined as annular pieces that can be flat, "waved" or textured. They are usually used under a nut or between two mating surfaces to provide a tight joint.
These products come in sizes ranging from under 0.10" OD to 38" diameter. At special request, parts to over 40" diameters have been produced. Tolerances on rigid plastics are 0.001". Shim materials are also offered. On elastomers and gaskets (pliable materials) tolerances are within 0.010"
Industries served by these products include electrical insulator companies; the aircraft, utility and musical instrument manufacturers; appliance builders; and pump manufacturers.
High-speed processes permit lower pricing and other customer benefits. In some situations, quality measures integrated into the manufacturing process eliminate reinspection of delivered products. A product guarantee can eliminate or at the least minimize down-the-line part failures.
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