Every day we come across tools, parts, and objects manufactured using overmolding. Manufacturers use over-molding to create tools, replace machine parts, and even manufacture toys. A toothbrush with a rubber grip, a screwdriver with a plastic handle, and a soft grip on a handheld drill are some examples of overmolded objects. It may simplify the […]
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The parting line in injection molding is also called the flashing line: the excess plastic flows out from the joint of the mold, leaving visible traces after cutting the overflowing edge, sometimes called the mold mark or the interface line, which also refers to the material flowing into the gap between the mold parts. A
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Due to the various advantages of injection molds, many manufacturers also like to use them, but different types of products use different molds, so each product needs to be specially opened, so what is the processing price of automotive molds ? What factors will it be affected by? Follow us to find out together. 1.
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Injection molding is the ideal method of processing. Why? We compared injection molding with several other molding methods, let’s take a look. Ⅰ. Comparison of precision plastic injection and extrusion molding Injection molding is one of the most popular methods for forming 3D shaped plastics. It is based on the method of molten die casting
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Ⅰ. Injection mold tooling processing notes 1. Precautions for die core threading holes (1) Try to drill straight holes on threading hole processing of injection mold tooling inserts and inclined tops to facilitate processing. (2) The diameter of the threading hole should be larger than Φ4, and the size of the threading hole is
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After years of experience in custom injection mold tooling service, we have summed up some mold processing tips, I hope it will be useful to everyone! 1. Allowance must be reserved when processing injection mold toolings The injection mould tool manufacture workpiece needs heat treatment processing. Before heat treatment, add 0.25mm of grinding machine
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Car lights are indispensable important safety protection devices and decorative parts in automobiles. Because it works in high-temperature environment and has the function of reflection and concentration, it needs to be injection molded with thermosetting plastics with almost zero shrinkage, heat resistance, flame retardancy and strong creep resistance. 1. Structural requirements of plastic parts
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1. Typical precision molding of plastic parts: 1) The high processing precision of the plastic parts itself; 2) Typical micro parts usually have high precision requirements, both micro-injection and micro-extrusion; 3) Molding of microstructure of larger size products, typical microstructure molding; 4) Large-size products have high requirements on machining accuracy and installation accuracy; 5) The
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There are many kinds of molded rubber products with different shapes and some complex structures. Air bubbles, lack of glue, clear scars, dents and other appearance quality defects will be generated during the molding and vulcanization process. The following is a strategic analysis of the causes of pocket gas in molded rubber products, and the
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Molded rubber products refer to rubber products produced by pressing with molds, which are a variety of products with wide application and high added value. Ⅰ. Introduction to molded rubber products Rubber molded products are also called molded rubber products. Almost all rubber products are processed by corresponding molds, but not all rubber products
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In this blog, we will explain the common defects of molded rubber products. You will understand the cause and solution for each defects. Ⅰ. Foaming of Molded Rubber Products 1. Causes: The molding material is not completely cured, the air is not cleared, and the mold temperature is too high, which vaporize or decompose a
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Molded rubber products refer to small and medium-sized rubber products that are molded and vulcanized on a flat vulcanizer. The same type of problems that occur in rubber molded products includes lack of glue, delamination and cracking, mold release cracks, etc. Due to the different types, batches, origins, machines, and operators of rubber materials, we
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