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twin conical screw barrel / PVC extruder screw barrel, 1.Long lifetime,low energy consumption., 2.Base material:38CrMoALA - details see: https://www.machineto.com/high-quality-conical-twin-screw-barrel-twin-conical-screw-barrel-pvc-extruder-screw-barrel-10334436

high quality conical twin screw barrel / twin screw barrel / PVC extruder screw barrel

We can make any specification of extruder screw barrel and injection screw barrel for Haitian, Engle, Klausmaffei, Nigro bossi, arburg,NPM, BOY, Husky, Fanuc, billion, Sumitomo, Nippon Steel, Toshiba, Nissei, Mitsubishi and etc. We also can supply all types of screw and barrel according to your different requirements.

Our advantages:

-screw and barrel for various models

- We can produce diameter from 20mm to 300mm screw

- professional engineers design for you

- thousands of drafts can supply for you

- Professional Tech. and R&D team

- Insist on developing screw and barrel for more injection and extruder machine models

- Main market: South America,Eastern Europe,Mid East/Africa

Lucheng producing progress:

Lucheng Factory/Conical twin screw barrel
Diameter	Φ25/53,35/77,45/90,51/10, 55/110,65/120,65/132, 70/140,75/150,80/156, 80/172,90/184 92/188.etc	Designing	Screw structure and compression ratio can be designed according to different products &different mixtrues.
Standard Specifications	ISO9001, GBT9001-2000 SO9001-2000 IAF,BOS,CNAS	Advantages	1.Long time Nitriding Technology 2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy3. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions.
Materials	38CrMoAlA (JIS SACM645) SKD61 .etc	Application	PS,HIPS,ABS,SAN,EPN/LDPE,HDPE,UHMPE, EVA,PP,PVC,PMMA,POM,PAST,PET,PBT
Nitride Depth	0.4mm-0.7mm	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	950-1050HV	Packing	Wrapped up by film in wooden
Nitride Brittleness	≤Grade One	Payment Term	T/T , L/C ,Western Union
Surface Roughness	Ra0.4um	Delivery Term	20-30 working days
Screw Straightness	0.015mm	Port Departure	Shanghai/Ningbo
Alloy Hardness	HRC55-62	Min. Order	1 set
Alloy Depth	1.5mm-3.5mm	Warranty period:2-4years(Depends on the plastic raw materials) Bimetallic: much longer lifetime.
Nitriding time	Over 180 hours

More pictures for reference:

The production of screw barrel type:

1.Injection screw barrel, injection Molding screw barrel,screw tips/screw nozzle,

2.Single screw barrel

3.Twin screw barrel

4.Twin Conical screw and barrel(Co-rotating,Counter)

5.Twin Parallel screw and barrel Co-rotating,Counter)

6.High wear Resistant screw and barrel

7.Screw barrel Assembly parts

8.Bimetallic Screw Barrel

9.Rubber screw barrel

10.Pin screw barrel

11.Force feed screw barrel

12.Planetary screw

13.Gear box

14.screw barrel for blowing molding machine

15.All other plastic machinery

Lucheng screw applicable plastic types :

2012 Chinaplas exhibition in Shanghai:

Lucheng abroad market overview:

The Packing: export standard

We also can supply all types of screw and barrel according to your different requirements.