Barrel and Screw

Specifications of conical twin-screw and barrel: 45/90, 45/97, 50/103, 55/110, 60/120,65/125, 65/132, 68/146, 80/156, 80/172, 92/188.Technical standard: Material: 38CrMoALA Hardness of Modulator: HB260-290 Hardness of Nitrification: 930-970HV Depth of Nitrification layer: 0.4-0.7mm Double-alloy technical standard: Double-alloy level: Level A - containing Tungsten of 40% Level B - containing tungsten of 25% Level C - containing tungsten of 9.5% Hardness of alloy: HRC56-65° Applied scope of plastic: applied for all kinds of appended fiberglass, plastic and PPA, PPO, PPS, LCP, magnetism powder and PC special engineering plasticComponents of alloy powder: Ni + Co + Cr + W + Si + Fe + B + C Depth of alloy layer: 1.2 mm-2.0 mm Hardness of alloy: HRC>65° Two stage type of barrel (material of powder outlet is Cr12MoMV, vacuum quenching) and screw (powder output is treated by alloy), the using lifespan is long as twice as common one's.