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10 points in sheet metal fabrication

Yummy Yao 2015-07-16 20:52:06
In sheet metal fabrication,what do we need to Pay attention to?
1. the expanded collection, economy and treatment from material
2. selection q gap and packing methods, T = 2.0 ask gap 0.2, T = 2-3ask gap below 0.5, hems uses long package short side (gateclass)
3. reasonable take into account tolerances dimensions:negative the end, poor half hole size: positive balance the end, negative in half.
4. the direction from Burr
5. tooth-shooting, Clinching, tear, red bump (package),direction, drawing cross-sectional view
6. check the equipment, thickness, thickness tolerance
7. a special angle, elbow RADIUS in the corner (R = 0.5) analysis
8. There is error-prone (similar asymmetry) areas should befocused on advice
9. More Places to add a a larger version
10. spray protection required.