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Successful Springback Compensation Retooled

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Eric Kam
Eric Kam

Sheet metal forming simulation to identify not only feasibility, but process capability. Springback compensation without a repeatable process is folly.

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SUCCESSFUL Springback Compensation Eric Kam AutoForm Engineering
SUCCESSFUL springback compensation is more than just… ,[object Object],[object Object],[object Object],Version 1.1
SUCCESSFUL springback compensation IS: ,[object Object],[object Object],Version 1.1
Compensation is easy… Version 1.1 ,[object Object],[object Object]
Compensation is easy… Version 1.1 ,[object Object],[object Object]
But what if conditions don’t repeat… Version 1.1 ,[object Object],[object Object],[object Object]
Springback reliability ,[object Object],[object Object],[object Object],Version 1.1
Unfortunately the world does not “hold all things equal” Version 1.1
Everything changes ,[object Object],[object Object],[object Object],[object Object],[object Object],Version 1.1 Material Range good bad X X X
120, 200, 300 simulations ???? ,[object Object],[object Object],[object Object],[object Object],[object Object],Version 1.1
The result ,[object Object],[object Object],[object Object],[object Object],[object Object],Version 1.1 Input B Response 1 Input A Response 1
Springback responses “in control” ,[object Object],[object Object],[object Object],[object Object],[object Object],Version 1.1 Distance from net Noise Variable
Pre-compensation robustness with AutoForm ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Version 1.1

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Successful Springback Compensation Retooled

Notas do Editor

  1. During simulation traditionally we run like tryout—tuning the die we design and subsequently build to run on a discrete set of inputs which are in themselves not repeatable. We need to treat simulation and tryout with a production mindset. Ensuring that the tools we design are capable of absorbing the variation that life will throw at it.