Co-Rotating/Counter-Rotation Parallel Twin Screws and Barrels for Extruder

• After-sales Service: Engineers Available to Service 24/7 Online
• Warranty: 1year
• Standard: ISO9001
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: SPPT Series
• Technics: Quenching
• Material: Quality alloy steels
• Specification: ø45/2~ø250/2, Customized
• L/D Ratio: 18~40
• Heat-treatment: Nitriding treatment Vacuum quenching
• Transport Package: Standard Export Packaging
• Trademark: SUPERIOR
• Origin: China
• HS Code: 8477900000
• Production Capacity: 5000pieces/Year
• Package Size: 120.00cm * 50.00cm * 50.00cm
• Package Gross Weight: 30.000kg

Product Description

Parallel Twin Screws and Barrels
 

Co-Rotating Parallel Twin Screws and Barrels

Material:Materials are made of domestic and imported PM-HIP powder steel.                       
Applications:Plastics industry,puffing food,powder      coating,paper printing,wood-plastic.

 

Counter-rotating parallel twin screws&barrels

Specification:ø45/2~ø250/2
L/D Ratio:18~40
Applications:PVC pipe,plate,sheet,granulation,wood-plastic extrusion.

Inlaid bimetallic layer for the inner hole of the barrel available according to customer requirements.
The compression ratio of screws can be designed according to different raw materials.

 

Applications:

Product Specification and technical data

Ø65,Ø80,Ø90,Ø105,Ø125,Ø146, Ø150,Ø170,Ø180,Ø190,Ø200. Quenching and tempering hardness: HB240 to 280° Nitration hardness: HV900 to 1,050° Nitrated layer depth: 0.5 to 0.8mm Thickness of Cr-coating Layer: 0.03-0.1mm Nitration fragility: ≤grade 1 Surface roughness: 0.4Ra Straightness: 0.015mm Cr-coating layer hardness: HV≥950HV Depth of Bimetallic Layer: 2mm to 5mm Bimetallic hardness: HRC56 to 65° (Ni-based alloy)

 

	Material:quality alloy steels	Heat-treatment
	31CrMoV9  EN41-B  AISI4140  W6Mo5Cr4V2 SKD61 38CrMoAl	Nitriding treatment Electroplated hard-chrome finish    Vacuum High-frequency quenching Spray coating Bimetallic-alloy