Screw and Barrel para sa Plastic Board Machine.
ExtruderBarrelandScrewSpecification: Ø20mm ~ Ø300mm DrawRatio: L/D = 15 ~ 55 TechnicalParameterQuenchingandTemperingHardness: HB280-320ScrewStraightness: 0.015mmNitridingHardness: HV850-1000NitridedChromiumCoati
tingnan pa