Screw & Barrel For Single Screw Extrudr-zhejiang demaji machinery co., ltd.

Screw & Barrel For Single Screw Extrudr

Specifications:
Diameter:φ15mm-φ300mm
Max. length:≤10000mm
1. Meaterial:38CrMoAIA
Nitriding treatment, Surface hardness: HV≥900
Nitriding depth:0.5-0.8mm
2. Material of barrel inside layer: tungsten alloy.
Surface spraying prolongs the life of the screw.

specification：
φ15-φ360MML/D=12-45 For a good plasticizing effect, we have different designs of screw barrels to meet customer's demands.
Gradual type, mutant type, wave type, barrier type, double screen type, shunt type, separation type, exhaust type, pin type, mixed type, and double-head type.three-head type, multihead type, etc.

Raw material	The finished product processing requirements
38CrMOAIA,SACM645 ,42CrMo	Nitriding treatment
42CrMO，AISI4140.	Hard chrome-coated layer
Cr12MoV,SKD11,SKD61，YXMI，EFZD ，DC53SKH55,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/InconelX750:GH143:GH169/Inconel718;GH3030;GH5K	High-temperature alloy [new No.3 steel] 300-1400 degrees, naturally hardened during high-temperature operation

Raw material	The finished product processing requirements
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

For a good plasticizing effect, we have different designs of screw barrels to meet customer's demands.

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.

Model	L/D	output capacity(kg/h)	screw rotation speed(pm)	driving moto(kw)	Center height(mm)
DMJ20	20:01	3-5	10-60	1.1/1.5/2.2	1000-1400
DMJZS25	25:01:00	5-8	10-60	2.2/3.0/4.0	1000-1400
DMJ30	25:01:00	5-10	10-60	2.2/3.0/4.0	1000-1400
DMJ45	25-36:1	10-120	10-150	5.5-22	1000-1400
DMJ65	25-36:1	60-300	20-150	22-75	1000
DMJ75	25-36:1	200-450	20-150	30-132	1000
DMJ90	25-36:1	180-600	20-110	30-185	1000-1100
DMJ120	25-36:1	320-1000	20-90	75-280	1000-1250
DMJ150	25-36:1	400-1300	20-75	90-400	1000-1300

Pelleting screw:

specification ;φ15-φ360MM

L/D=12-45

Types of screws :

For good plasticizing effect, we have different designs of screw barrels to meet customer's demandGradual 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.