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1. Reasonable design

Optimize structural design: The design of mold accessory parts should be reasonable, and the best structural schemes should be selected as much as possible to ensure that the technical requirements of the parts and their structure are in line with the processability and feasibility of mold manufacturing. When designing, the selection of mold materials, the usability and safety of the mold structure, the machinability of mold parts and the convenience of mold maintenance should be taken into consideration.

Precise dimensions and tolerances: Reasonably determine the dimensions and tolerances of mold accessory parts, and take technical measures to prevent problems such as shrinkage rate errors, injection deformation, demolding deformation, and flash in injection molded products.

2. High-quality material selection

High-performance materials: Select high-quality alloy tool steel with high mechanical properties and low thermal creep as the manufacturing material for mold accessories. For key parts such as the cavity and runner, materials with high hardness, good wear resistance, strong corrosion resistance and resistance to thermal deformation that have undergone strict heat treatment should be selected.

Heat treatment optimization: To prevent the dimensional accuracy of the mold from changing due to aging, it is necessary to specify tempering treatment or low-temperature treatment to reduce the residual austenite structure of the mold material during heat treatment when designing the mold.

3. Good processing technology

High-precision processing: Utilizing advanced processing equipment and techniques, such as laser scanning and CNC machining, to enhance the processing accuracy of mold parts. During the processing, the processing parameters must be strictly controlled to ensure the processing quality.

Surface strengthening treatment: Surface strengthening treatment is carried out on the main forming components of mold accessory parts, such as carburizing and quenching, nitriding, and high-frequency induction heating quenching, to enhance the surface wear resistance of mold parts, thereby extending the service life of the mold and improving the quality of the products.

4. Precision assembly

Strict assembly standards: During the mold assembly process, assembly must be carried out strictly in accordance with assembly standards and process requirements to ensure the fit accuracy and positional accuracy between each component.

Positioning accuracy: To maintain the dimensional accuracy of the moving and fixed model cavities on the parting surface, in addition to setting the center of the guide pins and guide sleeves commonly used in conventional molds, it is also necessary to install positioning pairs such as conical positioning pins or wedge-shaped blocks to ensure accurate and reliable positioning accuracy.

5. Strict inspection and quality control

Three-coordinate measurement: High-precision measuring equipment such as three-coordinate measuring machines are used to inspect the dimensional accuracy of mold parts to ensure that the quality of mold parts meets the design requirements. During the detection process, attention should be paid to influencing factors such as temperature compensation to improve measurement accuracy.

Data comparison and analysis: Compare and analyze the measured data with the theoretical data to promptly identify and correct deviations. Non-conforming products need to be reworked or scrapped to ensure the overall quality of the mold parts.

6. Correct usage and maintenance

Standardized operation: During the use of mold accessory parts, standardized operation is required to avoid mold damage or precision reduction caused by improper operation.

Regular maintenance: Regularly maintain and service the mold accessory parts, such as adding lubricating oil and cleaning the mold surface. At the same time, planned protective maintenance should be carried out on the mold. Through data processing during the maintenance process, potential problems that may occur in the mold during production can be prevented.