Industry information

What is the basic construction of plastic mold?


Plastic mold manufacturing mainly consists of a concave mold combination substrate, concave module assembly and die combination card plate composed of a variable cavity mold, by the convex mold combination substrate, convex mold assembly, convex mold combination card plate, cavity truncation assembly and side cut combination plate composed of a variable core convex mold. Coordinated changes in mold convex, concave and auxiliary molding systems. Plastic mold manufacturing can be processed in different shapes, different sizes of a series of plastic parts.

Dongguan Fuya Hardware Plastic Products Co. , Ltd. was established in 2008, is a research and development, design, production, sales as one of the enterprises. Fuya has nearly 100 CNC computer high-end milling machines, precision automatic crimtros and auxiliary equipment. In order to pursue high-precision CNC processing, the company is equipped with contour measuring instrument, 3D, 2D, hardness tester, infrared automatic tester, roundness, roughness and other advanced test equipment. In the continuous improvement of engineering and technical service capabilities at the same time, Fuya company relying on a wealth of production and management experience, and then take you to understand the basic structure of plastic mold is what!


In order to improve the performance of plastics, a variety of auxiliary materials, such as fillers, plasticizers, lubricants, stabilizers, colorants, etc., must be added to the polymer in order to become a good performance of plastic.

1, synthetic resin is the most important component of plastic, its content in plastic is generally 40% to 100%. Resin is often regarded as synonym for plastic because of its high content and the nature of the resin, which often determines the nature of the plastic. For example, PVC resins are mixed with PVC plastics, phenolic resins and phenolic plastics. In fact, resin and plastic are two different concepts. Resin is an unprocessed raw polymer that is used not only to make plastics, but also as raw materials for coatings, adhesives and synthetic fibers. In addition to a very small part of plastic containing 100% resin, the vast majority of plastics, in addition to the main component resin, but also need to add other substances.

2, filler filler is also called filler, it can improve the strength of plastic and heat resistance, and reduce costs. For example, the addition of wood powder to phenolic resins can significantly reduce costs, making phenolic plastics one of the cheapest plastics, while also significantly increasing mechanical strength. Fillers can be divided into organic fillers and inorganic fillers, the former such as wood powder, broken cloth, paper and a variety of fabric fibers, the latter such as fiberglass, diatom soil, asbestos, carbon black and so on. 3, plasticizer plasticizer can increase the plasticity and softness of plastic, reduce brittleness, so that plastic easy to process molding. Plasticizer is generally able to mix with resin, non-toxic, odorless, light, thermal stability of high boiling point organic compounds, the most commonly used phthalates. For example, when producing PVC plastics, soft PVC plastics can be obtained by adding more plasticizers, and hard PVC plastics can be obtained without or with less plasticizers (dosage of 10%). 4, stabilizer in order to prevent synthetic resins in the process of processing and use by the role of light and heat decomposition and destruction, extend the service life, to add stabilizers to the plastic. Commonly used are stingric acid, epoxy resin and so on.