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Best Quality pipe fitting molds Manufacturers
Best Quality pipe fitting molds Manufacturers:The main purpose of copper inserts is to inject the product into some plastic parts, which can be installed to form an effective internal thread. The method of operation is to heat the product into a plastic piece or directly use the injection mold.
Best Quality pipe fitting molds Manufacturers
Because brass has good thermal conductivity, after heating the copper inserts into the plastic substrate can quickly heat the product, improve work efficiency. The heated copper sheet can also quickly transfer heat to plastic parts, softening the periphery of the plastic hole, thus quickly pressing the product into the hole.
If the use of injection molding, copper inserts are hot injection molding into plastic parts, due to the outer diameter of the embossing process, molding and copper inserts to form a certain amount of friction and bite force, so that it is fixed in the interior, will not fall off.
The advantages of screw pre-plasticizer are constant melt quality, high pressure and speed, accurate injection control (using mechanical thrust device at both ends of piston stroke). Transparent, thin-walled products and high productivity require these advantages. The disadvantage is uneven residence time (resulting in material degradation), high equipment costs, high maintenance costs.
