The concept is different. The so-called national standard punches refer to their overall design, material selection and manufacturing are all punches produced in accordance with the unified national standards, while non-standard punches are punches customized by some punch manufacturers according to their own production standards or customer needs. .
The tonnage is different. The commonly used standard punches are 16 tons punches, 25 tons punches, 40 tons punches, etc. If it is a 23 tons model, it is non-standard. If you want to be standard, you can only choose the adjacent 25 tons. NS.
The punch processing technology is different. In the production process of the national standard punch press, each model has a standardized processing technology. For example, the JB21 series punch press has a steel plate welded body, while the JC23 non-standard series punch press has a cast body.
The specifications and parameters are different. The parameters of the national standard punch are uniformly regulated by the country. The parameters of the punches of the same model and different manufacturers are also the same. The parameters of non-standard punch presses have different degrees of difference.
Link to this article：The difference between national standard punches and non-standard punches
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