Abstract
Aiming at springback errors, a closed-loop accuracy control system for complex 3D sheet metal stamping was constructed based on RP/RT/RE. The computational formula of DMA (dies-modification algorithm) was derived in the prerequisite of small springback deformation and steady-going stamping process parameters. The algorithm based on theory of linear closed-loop control system, space Fourier transform, transfer function in frequency domain and die experimental iteration. DMA is used for the first time in the fabricating of complex 3D sheet metal stamping dies.
| Original language | English |
|---|---|
| Pages (from-to) | 636-640 |
| Number of pages | 5 |
| Journal | Zhongguo Jixie Gongcheng/China Mechanical Engineering |
| Volume | 16 |
| Issue number | 7 |
| State | Published - 10 Apr 2005 |
Keywords
- Closed-loop precision control system
- Metal sheet stamping
- Springback error compensation
- Transfer function
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