1. Generally, (4-6) T V groove width is selected when bending die selection. When the size of the bend is smaller than the selected V-groove width
At half the time, slipping will occur.
2.The V slot selected is too large
Process solutions ﹔
1. Centerline deviation method (eccentric machining). If the size of the bent material is less than (4-6) T / 2, make up as much as possible.
2, litter processing.
3. Bend with small V-groove, press with large V-groove.
4. Use a smaller V-slot.