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The production, processing, and design of injection molds are very important and crucial processes. I have been working as a mold processing manufacturer in Zhuhai Hongfei Mold Co., Ltd for many years, and I have compiled the following common knowledge of injection mold design for you. I hope it can be helpful to you:

How to determine the quality of injection mold design?

Firstly, when designing injection molds, have the process characteristics of plastic raw materials, molding performance, and the possible impact of injection molding machine types been properly considered, and corresponding prevention and treatment measures have been prepared for any problems that may arise during the mold processing and molding process.

Secondly, have you considered the requirements of plastic parts for the guidance accuracy of injection molds, and whether the design of the guidance structure is reasonable; Whether the calculation of the working dimensions of the formed components is correct, whether the accuracy of the product can be guaranteed, and whether it has sufficient strength and stiffness; Can the supporting components ensure that the injection mold has sufficient overall strength and stiffness.

Finally, have the requirements for mold testing and repair been considered. Mold design and manufacturing are closely related to mold processing. The success or failure of raw material processing largely depends on the effectiveness of mold design and the quality of mold manufacturing, and plastic mold design is based on the correct design of plastic products.

What are the structural elements that need to be considered in injection mold design?

1. The parting surface of injection mold design refers to the contact surface between the concave and convex molds when the mold is closed. The selection of its position and form is influenced by factors such as product shape and appearance, wall thickness, forming method, post mold processing technology, mold type and structure, demolding method, and forming machine structure.

2. Structural components, such as sliding blocks, inclined roofs, straight top blocks, etc. of complex molds. The design of structural components is crucial, as it relates to the lifespan, processing cycle, cost, product quality, etc. of injection molds. Therefore, designing complex mold core structures requires a high level of comprehensive ability from designers, striving for simpler, more durable, and more economical design solutions as much as possible.

3. Precision of injection mold design, including card avoidance, precise positioning, guide pillars, positioning pins, etc. The positioning system is related to the appearance quality of the product, the quality and service life of the mold. Different positioning methods are selected according to the different mold structures. The positioning accuracy control mainly relies on mold processing, and the internal mold positioning is mainly considered by the designer to design a more reasonable and easy to adjust positioning method.