Get differences between tool steel SKD11 vs SKD61 on process screw barrel, SKD11 (D2) SKD61(H13) screw barrel characteristics and applications Continue reading →
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It says that good PVC profile quality also requires attention to clearance between screw and barrel. Four working clearances and principles. Continue reading →
This article discusses nitrided steel screws, bimetallic screws, and screw treatment methods. Difference between nitrided and bimetallic screws Continue reading →
PVC pipe profile with black lines clouding on surfaces is correlated with conical twin screws. HUACHEN discusses the causes and solutions Continue reading →