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How a progressive die works? What are the differences?
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This is the part that you want to produce
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But you need to make two holes on it for referencing.-even you do not need on part functionality-
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Let’s look at croos section
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This is the conventional way to produce:Put the blank onto the die using reference holes first;
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Upper part of the die approachs
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And cuts it
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We produced a part and a problem;How can we take out undesired pheripheral part?
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Because of this….
You can not cut out all pheripheral in one step
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First cut out some…
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OK. Half of the job has been completed
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Now the rest of the job has been completed.We got the part.
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See all three steps together:
A progressive die is an advanced way this sequence
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With two additional rule :
1) keep connected
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A step
2) step by step
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Coil comes and you make two reference holes first
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You add a small opening on step two…
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And make another cavity on step three…
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It goes like this…
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Again…
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And again
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You got the desired shape finally
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Cut-off the connecting bridges and get the part
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And Let’s have a look at how the punchs has been positionedAlong the die