In all kinds of mechanical and electronic and electrical appliances product structure parts, most use material thickness t> 0.
5 ~ 16 mm plate workpiece of various kinds of metal materials, complicated shape.
Due to the size and shape accuracy is higher, especially along the thickness direction for smooth, flat, etc.
Conventional traditional processing method is by stamping for billet, car, milling, planing, grinding, cutting processing and meet the technical requirements, not only are there more complicated technological process, process, consumption of labor,
When many, the production efficiency is low, and the workpiece compatibility is bad, the intensity of labor is big, cost is high, can't adapt itself to the requirements of mass production.
The plate workpiece with other processing method is difficult to complete.
The machining, using a combination of various type of work is not only low efficiency, difficult to guarantee the quality, and high cost.
And precision stamping workpiece feature is as follows: 1.
Complex shape, size and shape of a high precision and general material thickness for t> 3 mm ~ 12.
5 mm, for medium thickness plate and thick plate fine blanking parts, blunt cut flat, bright and clean, quality equivalent to that of machining.
Sharp, flat Angle is small, the hole spacing and hole spacing (
T and pressure convex, sink holes, blind holes and wheel flange forming fine blanking, especially small modulus involute and cycloid, triangle, rectangle, trapezoid shape and high precision gear precision stamping parts, are made of other processing technology.
Mass production and achieve a moderate economic scale of production of parts of mechanical and electronic products, including: car hand brake, fine blanking parts, cars, motorcycles and other products are exactly rushed out of the finished products from raw materials, no longer cutting processing.
Fine blanking punching section because of cold work hardening effect, the surface hardness, strength greatly increased, the friction resistance and weather resistance, used as a movement on the surface of the friction gear tooth profile, collar and other precision metal stamping parts, will improve the service life.
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