Today's topic is the standard tolerance of stamping parts of precision high-speed punch press. According to the information obtained from professionals, the fitting dimension tolerance of parts of precision high-speed punch is generally selected according to the following standards:

1. For the guide sleeve, positioning pin and other standard push parts, it is required to have tolerance fit, and generally all of them are produced in large quantities, and the fitting dimension tolerance is selected according to the fixed regulations.

2. For the standard parts in the process of "matching", the fitting dimension tolerance is generally selected according to the specification parameters.

3. The tolerance should be consistent with the mold processing standard and technical level.

The high and low of the surface grain roughness inverse value of precision high-speed punch die parts has great harm to the matching precision of the die parts, the wear resistance and fatigue strength of the die parts. We should select the economical, available and excellent mould materials according to the working standard, manufacturing standard and basic performance of the die materials.

The basic properties of die materials, from the perspective of die working standards of precision high-speed punch, it is generally stipulated that die materials must have good basic properties such as wear resistance, ductility, strength and compressive strength.

The stamping parts of precision high-speed punch press should be based on the specific working standards of different dies, and their specific performance should be considered respectively. For example, for the mold working under high load, its compressive strength, tensile strength, bending strength, fatigue strength and cracking toughness should be considered. The technological performance of the die material and the technological performance of the die material is one of the very important factors that harm the cost of the die. The die with good technological performance can not only make the production process of the die simple and easy to manufacture, but also can reduce the manufacturing cost of the precision high-speed punch die.