mold making

mold making

e,but has different processing characteristics. tooling mold The machine tool itself is high in precision and rigid,but it can choose favorable processing dosage and high productivity(generally 3~5 times of normal machine tool). process injection Class 4 and class 5 molds usually use the P20,718mold making,738,618,2311 and 2711 steel materials. injection products For the general thermoplastic plastic,when the Shrinkage rate is less than 0.01 mm/mm,the change of the product can be allowed to change the thickness; However,when the shrinkage rate is higher than 0.01 mm/mm,the change of product wall th