Tool Design
4
Fig. 1
Tool geometry for ① recoil draw ② flangeless draw
rb bottom radius rST punch radius rM die radius pN blankholder pressur uZ clearance
The workpiece geometry during deep drawing is determined by the geometric information stored in the tool. The most important tool parameters are:
- Clearance etc
- Die radius rM
- Bottom radius rB
- Punch radius rSt
- Friction coefficients
- Entry angle
- Elastic tool and press behavior
- blankholder pressur pN