The requirements of the secondary mold are as follows

This is beneficial to ensure the quality of quenching and tempering and improve the life of the mold. Four-level quality mold * CYCLES: requires about 10,000 beer times. * The requirements for the four-level mold are as follows: (1) It is recommended to design the mold; (2)This is an important part of the manufacturing process of injection mold parts. For everyone to share: on the injection molding mold heating points, mainly divided into four parts, namely forging process, preparatory heat treatment, quenching and tempering, stress relief annealing. Second, the preparatory heat treatment. Here are the points of attention for each link. This is a low-production mold. * This mold also requires top quality * The requirements of the secondary mold are as follows: a. What: First-class quality molds* CYCLES: Must have a million or more beer times. The high-carbon alloy die steel can eliminate the reticulated secondary cementite or chain carbide after appropriate preliminary heat treatment, so that the carbide is spheroidized and refined, and the uniformity of carbide distribution is promoted. For injection molds of high-alloy tool steels, technical requirements are often imposed on metallographic structures such as material carbide distribution. Third, quenching and tempering. * The requirements for the third-level mold are as follows: (1) It is recommended to design the mold; (2) The hardness of the mold blank must be at least HB165; (3) The minimum meat and mold must be HB280; (4) In addition to the above 3 points In addition to the basic requirements, others are considered as additional requirements for selectivity. Heat treatment is a process that every injection mold must undergo before leaving the factory. Secondary quality mold * CYCLES: requires approximately 500,000 beer times. This is a Pet Preform Mold Factory general mold requirement, and the production is also in the production of molds. * This is a secondary and advanced quality mold(4) Management is more backward than technology. (1) Unbalanced development and low overall product level. Technical backwardness is often easy to see, and management is sometimes difficult to recognize. There is still a big gap. Compared with the advanced level in foreign countries, China's plastic mold industry has six problems. Looking into the future, due to the overall good international and domestic macro environment, the major user industries of domestic plastic molds will continue to develop at a relatively fast pace, and plastic molds will continue to develop at a high speed. Market. In the socialist market economy, in the process of economic globalization, competitive industries, especially those that rely on special users and require single-piece production, many companies still have difficulty adapting to the current system and operating mechanism.