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Extruder Screw Barrel

Specifications:

Diameter: Φ15mm-Φ300mm

Max.length: ≤10000mm

1、Material: 38CrMoAIA

Nitriding treatment, Surface hardness: HV≥900

Nitriding depth: 0.5-0.8mm

Material of barrel inside layer: tungsten alloy.

Surface spraying, prolong life of screw

Products Details

Specification: Φ15-Φ360MM
L/D=12-45
Types of screws:

For good plasticizing effect, we have different design of screw barrel to meet customer's demand.
Gradual type, mutant type, wave type, barrier type, double screen type, shunt type, separation type, exhaust type, pin type, mixed type, double-head type, three-head type, multi head type etc.
It is suit for PA、PP、PC、PE、ABS、AS、PS、PVC、PMMA、LCP、PBT、PET、PPC、PPS、PAR、PO、Magnetic powder, ceramic powder, aluminum powder, iron powder, wood flour and other engineering plastics, PVC, PE/PP WPC pelleting.

Material of screw:

Raw material	The finished product processing requirments
38CrMoAIA, SACM645, 42CrMo,	Nitriding treatment
42CrMo, AISI 4140	Hard chrome coated layer
Cr12MoV, SKD11, SKD61, YXMI, EFZD, DC53, SKH55, SKH59, SKH58, SKH51, SKH-9, ASP60, ASP30, ASP25, CW6Mo5Cr4V2,	Alloy steel
4Cr5MoSiV1, SKD-61, SKD-11	Spraying bimetal alloy layer and nitriding treatment
YPT72, DAC-MAGIC, 4 Cr5MoSiV1	Whole bimetallic cladding stainless steel
HPM38, SI36, SUS440, 9Cr18Mov	High frequency quenching
GHII3,GH132/GH2132/A-286;GH145/InconelX-750; GH143; GH169/Inconel718; GH3030; GH5K	300-1400 temperature, nature hard after high temperature

Screw & Barrel use material:

Raw material	The finished product processing requirments
38CrMoAIA, SACM645,	Nitriding treatment
Cr12MoV,Cr12,	Alloy steel
38CrMoAIA, SACM645, 40Cr, AISI4140, 42CrMo	Bimetallic of the inner hole centrifugal casting
GHII3	Nature hard after high temperature

PP. PE high speed screw

Technical parameter:

model	L/D	Outpu capacity (kg/h)	Screw rotation speed (rpm)	Driving motor (kw)	Center heigh (mm)
QY20	20:1	3-5	10-60	1.1/1.5/2.2	1000-1400
QY25	25:1	5-8	10-60	2.2/3.0/4.0	1000-1400
QY30	25:1	5-10	10-60	2.2/3.0/4.0	1000-1400
QY45	25-36:1	10-120	10-150	5.5-22	1000-1400
QY65	25-36:1	60-300	20-150	22-75	1000
QY75	25-36:1	200-450	20-150	30-132	1000
QY90	25-36:1	180-600	20-110	30-185	1000-1100
QY120	25-36:1	320-1000	20-90	75-280	1000-1250
QY150	25-36:1	400-1300	20-75	90-400	1000-1300

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