Element Of Dies

The different types of dies used in sheet metal operations are as follows:

1. Simple Die
2. Compound Die
3.  Progressive Die 
4. Transfer Die
5.  Combination Die 
6. Multiple Die

The Detailed Explanation of all the above mentioned dies are described below.

1. Simple Die:

If only one operation is performed inOne Stroke and at One Stage is called as Simple Die.

2. Compound Die:

If more than one cutting operation is performed in one stroke and at one stage called as Compound Die.

3. Progressive Die

In this,more than one cutting operation will be performed in one stroke but at different stages and punched out sheet is progressing from one stage to another stage for completing the punching operations so that Blanking will be the last operation.

•  In this also,one component is produced for stroke. Therefore production rate is same as that of compound die.
• In addition,either by providing the shear or by staggering the punches methadology,the force required will be reduced.
• In addition,because the operation is performed at different stages,the design and manufacturing of punch and die combination is easier withwhatever may be the no.of operations.
• But the only problem is balancing of forces on the punch head is difficult.

4. Transfer Die: 

It is same as that of Progressive die,but the blanking will be the 1st operationso that the blank produced in the 1st stage is travelling from one to another stage for completing punching operations.

5. Combination Die:

If more than one Cutting and Forming operations are combined together and performing one stroke at one stage is called Combination Die.

6. Multiple 

In all the above dies,only one component is produced per stroke,but if more than one component is required to be producedmore than one of the above dies will be kept in parallel called as multiple die.

Credit:- https://www.google.com/amp/s/mechanicalstudents.com/types-of-dies/