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What are the requirements for bending parts in stamping process of automobile hardware?
2019-05-31 17:08:21

Whether the die used for metal stamping parts is elastic pressure unloading plate or fixed unloading plate depends on the unloading force, and material thickness is the main factor to be considered. With the increase of elastic force of elastic components used in die (e.g. rectangular spring), the unloading force of elastic discharging plate is greatly enhanced. Hardware stamping is a method of forming and processing parts (stamping parts) with required shape and size by applying external force to sheets, strips, pipes and profiles by press and die to produce plastic deformation or separation.

If we want to extend the service life of stamping parts, we need to maintain them regularly. Before installing stamping parts, we should check strictly, remove dirt, check its lubrication performance, and check the turntable of stamping parts regularly. If there is wear at the edge of punch and die, we should stop using this product immediately, otherwise it will protect the wear of large edge and reduce the service life of stamping parts. When installing stamping parts, we should use softer metal tools to operate them, so as to avoid damaging stamping parts in the process of installation, if necessary. To ensure the service life of stamping parts, we also need to periodically replace the spring of the die to prevent free-form damage to the life of stamping parts!

Hardware automobile stamping parts processing is the requirement of bending parts:

The shape of the bending part should be symmetrical as far as possible, and the bending radius should not be less than the allowable small bending radius of the material.

The curved edge is too short to form easily, so the straight part of the curved edge should be H > 2delta. If H is required to be very short, a suitable margin should be set aside to increase H, bend well and then cut off the added metal.

When bending parts with holes, in order to avoid the deformation of holes, metal stamping parts processing plant is the second requirement for deep drawing parts.

The shape of metal stamping parts should be simple and symmetrical, and the depth should not be too large. In order to reduce the number of deep drawing, easy to shape.

The fillet radius of metal stamping parts does not increase the process procedure. Otherwise, it will increase the number of drawing and shaping work, increase the number of moulds, and easily produce waste products and increase costs.


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