Dongguan Fortuna Metals CO., Ltd
No. 226, Shida Road, Dalingshan Town, Dongguan 523810, Guangdong, China
Stamping and bending parts are very common metal stamping parts. In actual production, the appearance and size of stamping and bending products often do not meet the standards on the drawings. So, what is the reason if the shape and size of the processed stamping parts and bending parts do not meet the standard? Dongguan Fortuna Metals Committed to the processing and customization of precision stamping parts for more than 10 years, the products are widely used in various fields, including automotive, electronics, medical, and other industrial applications. In actual production, we have summed up the following questions, and hope to help you.
Stamping and bending parts
1. Stamping die problem
Stamping Bending dies are tools for bending stamped parts. Generally, the shape and size of the bent stamping part depend on the size of the working parts of the stamping die. The more precise the size of the stamping die is, the more precise the shape and size of the stamping and bending parts. In addition, the reliability of the pressing device and positioning device used in the stamping die structure will also have a greater impact on the shape and size of the bending part.
2. Raw material issues
Different raw materials will also affect the shape and size of stamping and bending parts. There are two main reasons: 1. The material's mechanical properties and composition distribution are not uniform. For stamping parts that are bent on the same plate, the shape and size of the stamping parts are different due to the different pressure and spring back values; 2. The uneven thickness of the material will also affect the size and shape of the stamping and bending parts.
3. Bending process issues
As the number of processing steps of stamping and bending parts increases, the errors caused by the accumulation of deviations caused by each step also increase. In addition, if the sequence of the process is different, the size will also be greatly affected. For example, for a bent part with holes, when bending first and then punching, the shape and position of the holes are much higher than when punching and then bending.
4. Punching machine problem
When bending, different punch models, different tonnages, and different operating speeds will affect the size of the stamping and bending parts. In addition, the size of the punch itself will also have a certain impact.
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