What are the basic processes of injection mold design?

What are the basic processes of injection mold design?

The basic process of injection mold design mainly includes the following five aspects:

1. Task reception and clarification

(1) Receive design tasks: Obtain mold design requirements from customers or production departments, and clarify design objectives and requirements.

(2) Determine the scope of the design task: Conduct a detailed analysis of the design task to clarify the design content, technical requirements and time nodes.

2. Injection mold scheme design

(1) Determine the mold structure form: according to the structure and production requirements of plastic parts, choose the appropriate mold structure form, such as single parting surface, double parting surface, side parting and core withdrawal.

(2) Determine the mold material: according to the use conditions of the mold, the nature of the plastic material and the molding process requirements, choose the appropriate mold material, such as steel, aluminum alloy, etc.

(3) Design parting surface: according to the structure and size requirements of plastic parts, design a suitable parting surface, and take into account the location, size, shape and other factors of the parting surface, while avoiding problems such as trapped gas and overflow.

(4) Design the pouring system: The pouring system is a key part of the mold, which determines the flow mode and filling degree of the plastic in the mold. When designing the pouring system, factors such as the nature of the plastic material, the injection molding process conditions, the shape and size of the plastic parts should be taken into account, and problems such as short injection, injection, and poor exhaust should be avoided.

(5) Design cooling system: The cooling system is an important part of the mold, which determines the temperature control mode of the mold. When designing the cooling system, the structural form of the mold, the material properties, the injection molding process conditions and other factors should be taken into account, and the problems such as uneven cooling and too long cooling time should be avoided.

(6) Design ejector system: ejector system is used to ejector plastic from the mold. When designing the ejection system, factors such as the shape, size and use requirements of the plastic parts should be taken into account, and problems such as poor ejection and damage to the plastic parts should be avoided.

(7) Design exhaust system: according to the structural form of the mold and the nature of the plastic material, design a suitable exhaust system to avoid problems such as pores and bulges.

3, injection mold detailed design

(1) Design standard mold and parts: according to the structural form and size requirements of the mold, choose the appropriate standard mold and parts, such as moving templates, fixed templates, cavity plates, etc., and take into account their matching gaps and installation and fixing methods and other factors.

(2) Draw mold assembly drawing: according to the designed mold structure scheme, draw the mold assembly drawing, and mark the necessary size, serial number, detail list, title bar and technical requirements.

(3) Audit mold design: audit the designed mold, including structural audit and technical requirements audit, etc., to ensure the rationality and feasibility of mold design.

4, injection mold manufacturing and inspection

(1) Mold manufacturing: Mold manufacturing according to the design drawings to ensure that the manufacturing process meets the design requirements and quality standards.

(2) Mold inspection: to inspect the completed mold to ensure that the quality and accuracy of the mold meet the design requirements.

5. Delivery and summary

(1) Delivery mold: The completed mold is delivered to the customer or production department.

(2) Design summary and experience summary: Summarize the mold design process, record experience and lessons, and provide reference and reference for future mold design.

The above is the basic process of injection mold design, the specific process of different companies may be different, but the above steps should be followed as a whole. In the design process, it is also necessary to comply with relevant industry standards and norms to ensure the rationality and feasibility of the design.