plastic screw barrel

The materials of building blocks screw adopt high-strength steel, W6Mo5Cr4V2 or 38CrMoALA with nitriding treatment, which have good anti-abrasion and

Screw Diameter:Φ20-Φ500mm
Maximun screw length: 10000mm
Barrel inner bore diameter: Φ500mm

Nitride Case Depth: 0.5mm-0.8mm Nitride Hardness: 950-1050HV Nitride Brittleness: ≤Grade One Surface Roughness: Ra0.4um Screw Straightness: 0.015mm A

Depth of Nitrated Layer: 0.5-0.8mm Hardness of nitration: 900-1020Hv Fragility of nitration: Less than grade 1 Surface roughness: Ra 0.4um Thickness o

1.Screw and barrel for plastic machine
2.Over 30 years experience in screw barrel
3.Direct manufacture of screw and barrel

1.65/132mm bimetal screw barrel for recyled plastic
2.material:38CrMoAIA
3.Nitriding treatment
4.High quality alloy

Depth of Nitrated Layer: 0.5-0.8mm Hardness of nitration: 900-1020Hv Fragility of nitration: Less than grade 1 Surface roughness: Ra 0.4um Thickness o

Depth of Nitrated Layer: 0.5-0.8mm Hardness of nitration: 900-1020Hv Fragility of nitration: Less than grade 1 Surface roughness: Ra 0.4um Thickness o

Depth of Nitrated Layer: 0.5-0.8mm Hardness of nitration: 900-1020Hv Fragility of nitration: Less than grade 1 Surface roughness: Ra 0.4um Thickness o

Depth of Nitrated Layer: 0.5-0.8mm Hardness of nitration: 900-1020Hv Fragility of nitration: Less than grade 1 Surface roughness: Ra 0.4um Thickness o

Cold feed rubber screw and barrel: Specification: Ф40-Ф300MM
L/D Ratio: 8-20
Hot feed rubber screw and barrel: Sp

Extruder vented screw and barrel
1. High-quality material adopted
2. Wear resistant and corrosion resistant
3. On time delivery

Depth of Nitrated Layer: 0.5-0.8mm Hardness of nitration: 900-1020Hv Fragility of nitration: Less than grade 1 Surface roughness: Ra 0.4um Thickness o

Conical Twin Screw Barrel
@ Highest and Stable Output with Less back pressure.
@ Low Melt temperature.
@ Excellent Melt Quality.
@ Better contro

all kinds of screws and barrels. single screw barrel,conical twin screw barrel,parallel twin screw barrel. twin screw barrel,bimetallic screw barrel,

PVC screw barrel
1. High-quality material adopted
2. Wear resistant and corrosion resistant
3. On time delivery
4. Technical supports available

Basic information:
Screw: Twin-Screw
Application: PVC Profile, Pipe, UPVC Granulation
L/D Ratio: 16-35
Specification: D35/2-D180/2

Hardness after Hardening Tempering:HB240-280
Chromium-Plated Surface Hardness After Nitriding:≥ 900HB
Chromium-Plating Layer Thickness:0.05-0.10mm

good quality packaging screw with barrel, produce with clients requirements.

The die head for conical twin screw barrel can make the output smoothly. The holes have been treaded by nitriding and chromeplating.

Harden Parallel Twin Screw for extrusion processing
Advanced nitriding process
Diameter of screw:D12-D300mm
L/D ratio of screw:10-50

Conical twin screw and barrel
1. High-quality material adopted
2. Wear resistant and corrosion resistant
3. On time delivery
4.Technical support

Internal diameter 14mm to 200mm Length-4000mm.
We can all types of screws and barrels according to clients' requirement.

Standard 38CRMOALA Twin Conical Screw
Advanced nitriding process
Diameter of screw:D12-D300mm
L/D ratio of screw:10-50

Nanjing Lesun Screw Co.,Ltd is a professional screw and barrel manufacturer, we provide compound screw, extruder screw, double screw.

conical twin screw barrel
1. High-quality material adopted
2. Wear resistant and corrosion resistant
3. On time delivery
4. Technical supports

parallel twin screw and barrel
PX-45/2~150/2
Lenght/Diameter Ratio:L/D=18~25
The compression ratio of the screw can be designed according to dif

1. screw barrel
2. for many kinds of plastic machines
3.material and size can be customed

Diameter:Φ15-Φ300
L/D Ratio:L/D=15-46
Surface Roughness:Ra 0.4μm
Nitriding Layer Depth: 0.5~0.8mm
Nitriding Fragility:Less than Grade One...

Our screw barrel are made by advanced technology and equipment which can provide various mechanical features such as strong ability, durability, exact