Hi,
I made a anti clastic stake like in the creative metal forming book by Longhi and Eid and have used it with great success in aluminum. A lot of great information in the book, including shrinking in a reverse which has been beneficial to metal shaping.
Good stuff,
B
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Bill Tromblay
"A sign of a good machinist, is one who can fix his F$@& Ups" My mentor and friend, Gil Zietz Micro Metric Machine.
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