Single screw and barrel for extruder machinery

Model:	JWSS01
Brand:	JIAWEI
Origin:	Made In China
Category:	Industrial Supplies / Rubber & Plastics Machine
Label:	single screw barrel , bimetallic screw , injection screws
Price:	US $2500 / pc
Min. Order:	1 pc

Product Description

Single screw and barrel for extruder machinery

Sketch of Business Flow

Technical specifications:

Hardness of adjuster: HB260-290

Hardness of nitration: HV800-1050

Depth of nitration: 0.4-0.7mm

Fragility of nitration: Less than grade 1

Roughness of the surface: Ra0.4

Linearity of the screw: 0.015mm

The surface hard chromium plating hardness after nitrogenation: ≥900HV

Chromium-plating layer thickness: 0.05-0.1mm

Hardness of double alloys: HRC56-65

Depth of double alloys: 0.8-2.0mm

Materials and processes:

Quality 38CrMoAIA

Quality twin-phase stainless

Quality satellite powder of surface spray

Cold alloys hot alloys

Advanced nitriding

Process of hot sprayed hard alloys

Size:	screw diameter : ø90-ø150mm L/D : 20/1 ~25/1 (can be customized)
Material	38CrMoAlA 40CrMo 42CrMo High quality alloy steel choose different material as per your requirments
Technology	Nitriding treatment Alloy coating sparying Heating treatment Screw fully hardening
Specification	Depth of nitrition layer 0.5-0.8mm Nitriding treatment,surface Hardness:HV≥900-1000 Fragility of nitrition :less than grade 1 Surface roughtness :Ra 0.4um Surface of hardness of nitrated Cr coating layer ≥950HV Thickness of Cr coating layer :0.03-0.08mm
Product appliance	Granulation ,PP,PE,PA,PC,ABS,AS etc