Rubber Machine High Quality Screw and Barrel

• 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.: SPR Series
• Technics: Quenching
• Material: Steel
• L/D Ratio: 4~20
• Rubber pin cold feed screws and barrels: ø75~ø250
• Rubber hot/cold feed screws and barrels: ø30~ø300
• Nitration hardness: HV900 to 1,050°
• Transport Package: Standard Export Packaging
• Specification: Customized
• Trademark: SUPERIOR
• Origin: China
• HS Code: 8477900000
• Production Capacity: 5000pieces/Year
• Package Size: 100.00cm * 40.00cm * 40.00cm
• Package Gross Weight: 50.000kg

Product Description

Screws&Barrels for Rubber Machine
 

Rubber pin cold feed screws and barrels:ø75~ø250
Rubber hot/cold feed screws and barrels:ø30~ø300

L/D Ratio:4~20

Applications: Rubber tires,cables,sealants,conveyor belts and many more.

Product Specification and technical data	Material :quality alloy steels	Heat-treatment
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)	31CrMoV9  EN41-B  AISI4140  W6Mo5Cr4V2 SKD61 38CrMoAl	Nitriding treatment Electroplated hard-chrome finish    High-frequency quenching Spray coating Bimetallic-alloy vacuum quenching