Strengthen the understanding of mold precision concept
- Die is a kind of precision forming tool used for batch forming, stamping and other products. Mold accuracy includes the accuracy of parts obtained in processing and the quality awareness of ensuring the accuracy of products in production, but generally speaking, mold accuracy mainly refers to the accuracy of working parts of mold.
① The concept of precision in mold processing refers to the degree of conformity between the actual geometric parameters and the design geometric parameters after the mold parts are processed and assembled.
② The concept of precision in mold production refers to a thinking mode and a quality consciousness formed gradually by enterprise employees in production practice to guide their production behavior. That is to say, the quality consciousness of grasping product precision is always carried out in the behavior of enterprise employees.
- The mold precision includes four aspects: dimension precision, shape precision, position precision and surface precision. Because the mold is divided into two parts: upper mold and lower mold, the position accuracy between the upper mold and the lower mold is the most important among the four kinds of accuracy.
When the machining accuracy is very high, the mold often has more than enough force. Now the precision of a very good precision mold is about 0.1 ~ 0.01mm. Compared with the previous mold, the precision has been greatly improved. However, components such as engines require an accuracy of less than one thousandth of a millimeter, or even less. Therefore, it is impossible to completely replace cutting with mold now.
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