1. What kind of mold steel is better for the translucent cover of PC material?, the translucent cover of PC material is made of international grade 420 material, assab--s136--1kg165 yuan;lkm2083---1kg66yuan;Domestic 420--1kg40 yuan die steel. These kinds of die steels should be hardened and heat treated to HRC;50-54 is the best, not the hard mold PC material will punch the mold.
2. Pre-hardened die steel: mainly using medium carbon alloy steel with high hardenability, representing steel number P27123127342crmnmov, WSM30B, the steel plate is pre-hardened and delivered, which can be used directly without heat treatment, and is suitable for molds with large batches, large mold size, complex shape, and high precision requirements.
3. The injection mold design process requires the design of an advanced plastic mold, first of all, it is necessary to have a high-level design idea, and it is also necessary to study the manufacturability of the product, the characteristics and uses of plastic materials, the selection of mold steel, the processing method, the mold structure design, the molding scheme and the model of the injection machine.
4. In addition, GD steel is also a kind of hardened plastic mold steel that has been newly promoted in recent years. Due to the high strength and toughness, good hardenability and wear resistance of the steel, small quenching deformation and low quality, this steel is used to replace CR12MOV steel or matrix steel to manufacture large, high wear-resistant, high-precision plastic molds, which not only reduces the cost, but also improves the service life of the mold.
5. What kind of mold steel is better for the translucent cover of PC material 1, the translucent cover of PC material is made of international grade 420 material, assab--S136--1kg165 yuan;lkm2083---1kg66yuan;Domestic 420--1kg40 yuan die steel.
6. Strong detachment materials are generally soft or have a certain flexibility (PVC, TPR, TPU, TPE, EV, A, BS, etc.), and the design of strong detachment structure generally pays attention to the size of the product material. PP PE PVC silicone. It is necessary to pay attention to the fact that the product should give way when ejecting the mold. Some soft rubbers can be forcibly removed by hand.
2. What is the material of transparent plastic?
1. At present, the transparent plastics generally used in the market are: polymethyl methacrylate (PMMA, commonly known as acrylic or plexiglass), polycarbonate (PC), polyethylene terephthalate (PET), polypropylene (PP), polyvinyl chloride (PVC), ABS, thermoplastic polyurethane elastomer rubber (TPU), polystyrene (PS), polysulfone (PSF), transparent nylon, etc.
2. Transparent polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS), these materials are not high;There are also acrylonitrile styrene copolymer (SAN), transparent ABS, ethylene terephthalate (PET), polycarbonate (PC), plexiglass (PMMA), etc.
3. Made of plastic, the C-fiber material is composed of two layers of transparent materials: the core layer is a transparent plastic with a high refractive index, and the material is PMMA or PCThe cladding is a transparent plastic with a low refractive index, and the material is a fluoroolefin polymer and a fluoromethyl methacrylate.
4. Transparent plastic cups are containers formed by blow molding of transparent or translucent plastic materials such as GPPS, PET, PP, PVC, etc. Plastic cups will inevitably turn yellow due to water stains and scale after a long time, which will affect the appearance, at this time we can clean with vinegar or baking soda, or we can choose to use a toothbrush and toothpaste to scrub.
5. The commonly used transparent plastics are as follows: Polymethyl methacrylate (PMMA), commonly known as plexiglass, is the plastic with the best optical properties. The mechanical and electrical properties of PMMA are average, the coefficient of thermal expansion is 8-10 times that of inorganic glass, the long-term use temperature is only 80 degrees, and the hygroscopicity is high.