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What are the quality requirements for flanging dies?

Update:29-10-2020
Abst:

The quality requirements of the flanging die are quite […]

The quality requirements of the flanging die are quite similar to those of the trimming die. Generally, the working surface should be in good fit with the workpiece, the flanging line should be accurate and proper, the bending state should be good, and the workpiece should not be deformed, wrinkled or leave surface marks, the mold mechanism should be coordinated and reliable, and the operation is convenient.

Technical requirements for manufacturing insert flanging punches:

After the insert is contracted, the shape and size of the working part are consistent with the main model; after the insert is opened, it does not touch the outer wall of the punched part, and the punched part can be taken out smoothly conduit clamp.

Technical requirements for manufacturing insert flanging die:

After the insert is opened, the shape and size of the die contour meet the flanging requirements of the punched part; and the shrinkage of the insert does not affect the entry of the previous process parts into the working position.

The sliding key and the keyway ensure the sliding fit, so as to achieve the purpose of flexible opening and contraction.

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