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Precision sheet metal, processing flanging technology.
- Apr 26, 2018 -

Precision sheet metal flanging: also called pumping hole, hole, precision sheet metal is in a small hole on the smoke into a larger hole, tapping again, mainly with the thickness of thin sheet metal processing, increase the strength and the screw thread turns, avoid sliding tooth, commonly used in thickness is thin, its around the normal shallow flanging, thickness of the sheet metal manufacturer basic did not change, allow the thickness of the thin 30-40%, sheet metal factory is bigger than normal flanging height can be obtained high height of 40-60%, with crowded thin 50% when, can get the biggest flanging height, when the thickness is bigger, such as the thickness of above the 2.0, 2.5, etc, can be directly tapping.