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Do your DFM Concurrent Costing manufacturing models include either fine blanking or waterjet cutting? Fine blanking is a process which normally uses a hydraulic press to produce sheet metal parts with superior edge quality. This process is similar to a compound die - blank and pierce - stamping process with a slower cycle time and a larger tooling investment. Because of this, the fine blanking process can be modeled using the existing compound die stamping cost model if you increase the cycle time and the die design and manufacture time for the compound die process. For this, you would need a reasonable idea, from your own sources, of what values to enter for these times. Similarly, waterjet cutting is a process comparable to laser cutting. Select the laser cutting process and change the laser cutting speed and pierce time to values to those appropriate for waterjet cutting the analyzed part. Again you would need access to appropriate values for these inputs. |
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