neesta
Industrial
- Aug 31, 2010
- 4
Hi,
I work as a die designer for stamping/drawing lower - mid size stainless steel parts (AISI 304 - AISI 316). Usual blank dimensions could be 500 mm x 500 mm.
The punch, the die support or base and the blankholder support, are fabricated from iron casting parts plus machining. We also use BRONZE ALUMINIUM castings for such die and blankholder components (see image 1 attached) which are in contact with the stainless steel blank.
I'm trying to get the best, in terms of performance, surface quality for those BRONZE-ALUMINIUM die blankholder components (see image 2).
The target for those BR-AL components are:
1. Regular and uniform wearing
2. Good lubricant distribution
3. To permit a robust final result on stamped/drawn parts
The surface quality is defined by its section that could be mesured in terms of rugosity - which R is the best paramter? Ra? Rz? Rm? to handle this issue - and it will depend on the machining parameters and tools used.
Any recommendations?
Thanks a lot in advance...
I work as a die designer for stamping/drawing lower - mid size stainless steel parts (AISI 304 - AISI 316). Usual blank dimensions could be 500 mm x 500 mm.
The punch, the die support or base and the blankholder support, are fabricated from iron casting parts plus machining. We also use BRONZE ALUMINIUM castings for such die and blankholder components (see image 1 attached) which are in contact with the stainless steel blank.
I'm trying to get the best, in terms of performance, surface quality for those BRONZE-ALUMINIUM die blankholder components (see image 2).
The target for those BR-AL components are:
1. Regular and uniform wearing
2. Good lubricant distribution
3. To permit a robust final result on stamped/drawn parts
The surface quality is defined by its section that could be mesured in terms of rugosity - which R is the best paramter? Ra? Rz? Rm? to handle this issue - and it will depend on the machining parameters and tools used.
Any recommendations?
Thanks a lot in advance...
