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Hashimoto Precision Metal (Shenzhen) Ltd

Address: No. 25, Xinfa East Road, Xiangshan Community, Xinqiao street, Bao'an District, Shenzhen 518125, P.R.China

Tel: +86-755-27267875

Email: info@hskcoltd.com

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FAQ of stamping parts in production

Release time：2021-09-07Views：12152

1. Adhesion and scratch: defects on the surface of part or tooling due to the friction between material and punch or die.

2. Burr: it mainly occurs in the shear die and blanking die. Burr will occur when the gap between cutting edges is large or small.

3. Deflection: Due to uneven stress, poor matching of tensile reinforcement, or poor control of the press slide, resulting in assembly corners or embossing parts have twists and turns, strain.

4. Uneven: Foreign matters (iron scurf, rubber and dust) are mixed in the coil front line to cause uneven.
5. Offset: When the piece is shaped, the site first contact with the mold was squeezed and a line was formed.
6. The punching size is too large or too small: In case of large difference from the punch size, the factors such as design size, machining accuracy and cutting clearance shall be considered.

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