Zhoushan Jianghai Screw Machinery Manufacturing Co., Ltd.
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Injection moulding machine single screw cylinder
K? ye looi: 38 CrMoA1A ((JIS SACM645) wala 42 CrMo ((AISI 4140) Diameter: Φ12-Φ300mm Thickness ratio: L/D=10-56
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Teknoloji:

Materiɛl 38 CrMoA1A(JIS SACM645)
42 CrMo(AISI 4140)
Hardness nitride layer HV≥900
Nitride layer thickness (Nitride layer thickness) 0.5-0.8mm
Diameter Φ12-Φ300mm Surface roughness Ra0.4μm
Kɛnɛya L/D=10-56 Chromium layer hardness 850 HV
Nitriding fragility (Nitriding fragility) < Level 2 Chromium layer depth 0.03-0.08mm

Material: Surface tungsten carbide ultrasonic total spray welding, improve the wear resistance of the screw.
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