The molding process refers to a process in which a certain amount of SMC sheet/BMC pellets is put into the preheated mold cavity, and after the mold is closed, the molding material melts and flows under the action of high temperature and high pressure, fills the cavity, and solidifies and sets the shape. method. Mainly used for the molding and...
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The final product molding factors include prepreg, hot press, working mold, working environment, on-site temperature, relative humidity, etc. The most important thing is the process of curing the prepreg into a product in the cavity after it is molded. It is The result of the combined effect of pressure, temperature and holding time. This article...
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1. Introduction to LFT. LFT, long fibre reinforced thermoplastic material, English is Long Fiber reinforced Thermoplastics, is compared with ordinary fibre reinforced thermoplastic material, usually, the fibre length in fibre-reinforced thermoplastic material is less than 1 mm, while in LFT, The length of the fibre is generally greater than 2 mm....
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During the SMC / BMC compression molding process, it is important to pay attention to controlling the "3 points", which are also the most important three elements. That is the control of molding temperature, molding pressure and molding time.
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Composite materials are high-performance materials which can combine the advantages of several materials. They are widely used in different areas and becoming very popular. There are various ways to form the composites, including compression molding, filament winding, injection molding and so on. Then how many compression molding processes are...
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Compression molding, also called pressing formation, is an operation of firstly putting plastics in granular or fibrous form into the die cavity under forming temperature and then closing the mold and pressing to make the form and cure of the plastic. Compression molding can be applicable for thermosets, thermoplastics and rubber materials.
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The basic process of SMC molding procedure is to put a certain amount of preprocessed molding compound to the die, put high pressure on the compound and make it fill in the die cavity. Under predetermined temperature, molding compound will solidify in the die cavity, and the SMC product can be taken out from the die, and one can get the final...
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Compression molding process is one of the most ancient and vigorous forming methods in the production of composite materials. The main process is to add a certain amount of premix or prepreg into metal molds and then form the desired shape with heating and pressing.
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