injection screw and barrel from China manufacturer - Zhoushan Shenglong Machinery Co.,Ltd.

Product Detail

Means of Transport: Ocean,Land,Air

Packing: wooden case

Base material: 38CrMoAlA, 42CrMo, SKD61, e...

Bimetallic: Fe-based,Ni-based,Tungsten ...

Hardness after hardening&tempering: HB280-320

Chromium-plating depth: 0.025-0.10mm

Allpy Depth: 0.8-2.0mm .

Production Capacity: 3000 set/month

Delivery Date: 25-35days

Application: pp,pe,pc,pvc,abs,pet,pmma.e...

Standard: ISO9001-2000

Nitrided Hardness: HV850-1000

Alloy Hardness: HRC56-65

For good plasticizing effect, we have different design of screw barrel to meet customer's demand.

plastic injection machine plastic screw barrel

Specifications

screw barrel for injection molding machine
1.38CrMoAlA;42Cr;SKD61;GH113
2.Nitriding/Bimetallic/Chrome
3.Tungsten(Wc/Co) alloy

Injection molding machine screw ( screw nozzle for injection screw & barrel )
Diameter	Φ15mm-Φ500mm	Designing	Screw structure and compression ratio can be designed according to different products & different clamping force requirement
Materials	38CrMoAlA (JIS SACM645) SKD61	Application	All kinds plastic & rubber and All kinds of glass fiber, the PPA ,PPS ,PA6T ,LCP, electric wood powder, magnetic powder ,iron powder and other special engineering plastics
Nitride Case Depth	0.5mm-0.8mm	Technology	1)Longer time Gas Nitriding treatment 2)special anti-wear & abrasion alloy (bimetallic) 3)tungsten carbide 4)cobalt base alloy 5)stainless steel 6)Gh113 nickel based alloy
Nitride Hardness	950-1020HV	Packing	Wrapped up by film in wooden
Nitride Brittleness	≤Grade One	Payment Term	T/T , L/C
Surface Roughness	Ra0.4um	Delivery Term	25 working days
Screw Straightness	0.015mm	Port Departure	Shanghai/Ningbo
Alloy Hardness	HRC58-62	Min. Order	1 set
Alloy Depth	0.5mm-0.8mm	Common Nitrided:2.5-4years Bimetallic: much longer lifetime.
Guarantee

Screw & Barrel For Injection Molding Machine ( screw nozzle for injection screw & barrel )
Production scope:
Screw diameter	Φ15~Φ500
Maximum screw length	10,000mm
Barrel inner bore diameter	Φ500mm
Mould Clamping Force	100KN-35000KN
Shot Weight	30-30000g
Screw can be mated with different heads.	Barrel can be mated with different nozzles.
The compression ratio of the screw can be designed according to different products and mixtures.
Technical Parameter:
Nitride Case Depth	0.6mm-0.9mm
Nitride Hardness	960-1150HV
Nitride Brittleness	≤Grade One
Surface Roughness	Ra0.4um
Screw Straightness	0.015mm
Duplex Alloy Depth	1.5mm-3.5mm
Duplex Alloy Hardness	HRC60-75
Chromium Coating Thickness	0.025~0.10mm

Raw Material		The Finnished Product Processing Requirments
38CrMoAla, SACM645, 42CrMo		Nitriding Treatment
42CrMo, AISI4140		Hard chrome coated layer
Cr12MoV, SKD11, SKD61, YXMI, EFZD,DC53, SKH55, SKH59, SKH58, SKH51, SKH-9, ASP60, ASP25, CW6Mo5Cr4V2		High frequency quenching
4Cr5MoSiV1, SKD-61, SKD-11		Spraying bimetal alloy layer and nitriding treatment
YPT72, DAC-MAGIC, 4Cr5MoSiV1		whole bimetallic cladding stainless steel
HPM38, SI36, SUS440, 9Cr18MoV		High frequency quenching