Since 2017, China's precision mold and component industry has accelerated its technological advancement!
Although China’s precision mold component technology has made significant progress since 2017, the industry’s overall level still lags considerably behind the advanced international standards. Moreover, gaps remain in areas such as concepts, design, processes, technology, experience, and management. According to mold component experts, China is still primarily at the stage of learning from and catching up with advanced countries; innovation remains insufficient, and we have yet to reach the stage of information-based manufacturing, management, and innovative development. To provide a quantitative comparison, we have selected several representative indicators—those that are highly typical and best reflect the performance levels of precision mold components—for comparative analysis.
Although China’s precision mold component technology has made significant progress since 2017, the industry’s overall level still lags considerably behind the advanced international standards. Moreover, gaps remain in areas such as concepts, design, processes, technology, experience, and management. Mold component experts believe that China is still primarily at the stage of learning from and catching up with advanced countries, lacking sufficient innovation and having yet to reach the stage of information-based manufacturing, management, and innovative development. To provide a quantifiable comparison, we have selected several representative indicators—those that are highly typical and best reflect the performance levels of precision mold components—for comparative analysis.
To develop and expand the future market for precision mold components and ensure that our products meet market and user needs as much as possible, we must not only pay close attention to these gaps but also make every possible effort to narrow them.
Basic characteristics of mold processing:
(1) High machining accuracy requirements: A typical mold consists of a cavity, a core, and a mold base; some molds may even comprise multiple assembled modules. Consequently, the assembly of the upper and lower dies, the combination of inserts with cavities, and the joining of individual modules all demand extremely high machining accuracy. The dimensional accuracy of precision molds often reaches the micrometer level.
(2) Complex surface geometry: Some products—such as automotive body panels, aircraft parts, toys, and household appliances—have surfaces composed of a combination of various curved surfaces, making the mold cavity surfaces highly complex. Certain curved surfaces must be processed using mathematical computational methods.
(3) Small batch sizes: Mold production is not carried out in large, mass-produced batches; in many cases, only a single set of molds is produced.
(4) Many machining operations: Mold manufacturing invariably involves a variety of processes, including milling, boring, drilling, reaming, and tapping.
(5) Repetitive Production: Molds have a finite service life. When the number of cycles a mold has undergone exceeds its designed lifespan, it must be replaced with a new one; therefore, mold production often involves repetitive processes.
(6) Contour Machining: In mold manufacturing, there are times when neither drawings nor data are available, and the machining must be performed by replicating the actual physical object. This places high demands on replication accuracy and ensures that the workpiece does not deform.
(7) The mold materials are excellent and have high hardness: The primary materials used for molds are often high-quality alloy steels. In particular, for molds with long service lives, ledeburite steels such as Crl2 and CrWMn are frequently employed. These steels have stringent requirements throughout the entire process—from billet forging and machining to heat treatment. Consequently, the formulation of the machining process must be given even greater attention, and thermal treatment deformation is a critical issue that needs to be carefully addressed during machining.
Relevant Information
2025-09-23
2025-09-23
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