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CONTENTS 1. Injection Molding Machine
The screw that its surface is covered with thick film hard Cr coating is good. When the glass fiber reinforced material is used, there is a problem of abrasion, but constantly preparing spare screw and regularly exchanging after recoating are recommended. The screw that processed nitriding treatment is hard to be worn due to its high hardness.
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1. Injection Molding
www.m-ep.co.jp1. Injection Molding 1.1 Injection machine The injection machine is a machine that melt plasticize the molding material inside the heating cylinder and inject this into the mold tool to create the molded product by solidifying inside it. The
4 Thermal Properties - m-ep.co.jp
www.m-ep.co.jp4・2 Thermal Conductivity and Specific Heat As shown in Fig. 4・2‐1, the specific heat of polycarbonate changes with temperature but it can be considered that this is 1.09～1.17J/(g.k) (0.26～0.28cal/g.℃)for the practical temperature range.This value does not differ very much from the common synthetic resins and corresponds to about 3 times of iron and
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