The design stage of zinc alloy die-casting mold generally includes the following levels:

Obtaining the required materials and data information includes:

Parts drawings of castings, specifications, standard tolerances, dimensional tolerances, roughness, materials, quenching and tempering treatment regulations and other technical standards of the parts on the drawings; mass production and delivery time of castings; zinc alloy die castings The machinery and equipment status of the manufacturing enterprise (that is, the model specifications of the aluminum die-casting machine); the production capacity and machinery and equipment standards of the mold manufacturing enterprise; other regulations of the customer.

Analysis of the structure, raw materials and technical standards of zinc alloy die castings

• Analyze whether the structure of the casting can ensure the quality and beneficial forming of the casting. For example, whether the thickness of the casting is uniform and effective; whether there are arcs at the corners of the wall; whether the diameter of the hole and the proportion of the depth are suitable; whether the specified precision and roughness are appropriate; Degree; there are wood and inserts, etc.
• Analyze the requirements of casting alloy products for mold materials and available aluminum die-casting machines.
• If there are unscientific or inappropriate structures and regulations, clearly put forward revision suggestions and discuss with customers. Product design, stamping molds, mold processing and commodity manufacturing is very well integrated in order to obtain castings with the highest quality.

Determine the number of concave molds, select the clinical diagnosis surface, pouring system software, and overflow system software

• According to the production of aluminum die-casting machines and castings in large quantities, the number of die-casting molds is basically clear.
• It has more basic elements for clinical diagnosis surface selection, and effectively selects the parts of the clinical diagnosis surface.
• According to the structural characteristics of the castings, effectively select the type of pouring system software and the position of the glue inlet, so that the castings have the best forming standards.
• The method and location of the decision-making system software.

The selection of aluminum die-casting machine models and specifications is based on the quality of the castings and the expansion area of the castings on the clinical diagnosis surface. (After checking the main parameters related to the die-casting mold and the aluminum die-casting machine, the model and specifications of the aluminum die-casting machine will be finally clarified)

After clarifying the mold design composition in the clinical diagnosis surface and the pouring system software and the overflow system software, the following aspects should be considered:

• Define the structural form of the formed parts. If it is an inlay type, clarify the composition and fixation method of the mold guide column and core.
• According to the appearance characteristics of side holes and side concave, the structural form and structural composition of the core-pulling structure are clarified.
• Clarify the way and layout of oriented organization.
• Select the type of release organization according to the structural characteristics of the casting; clarify the release position of the casting and the calibration and orientation of the release organization.
• The way of deciding the temperature adjustment system software basically takes into account the layout of the cooling safety channel (the location and size of the cooling safety channel can only be finally determined after the parts and dimensions of each organization on the welding drawing of the abrasive tool are clarified)
• When considering the structure of the abrasive tool, it is necessary to take into account the production and processing characteristics of the parts.

Conclusion

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