Bimetallic Nitrided Conical Twin Screw Barrel for Extruder - 150kg/h Output, 20,000 Hour Lifespan

Price Negotiable

Price: Negotiation

MOQ: Negotiation

Delivery Time: 25-30 days subject to the clients' requirement and quantity

Brand: BLM-IV-1

Product Description

Product Overview

High-performance bimetallic and nitrided conical twin screw barrels designed for extruder applications, featuring advanced wear resistance and cooling systems.

Bimetallic nitrided conical twin screw barrel for extruder

Technical Specifications

Design Details	Specifications
Screw Cooling Systems	I TYPE: Internal water/oil cooling system II TYPE: External oil cooling system
Barrel Cooling Systems	I TYPE: External air cooling system II TYPE: External copper pipe cooling system
Accessories	Stop ring + washers for adjusting screw-barrel clearance
Material	High quality 38CrMoAlA
Process	Advanced nitriding & bimetallic process
Hardness After Hardening & Tempering	HB280-320
Nitrided Hardness	HV900-1000
Nitrided Case Depth	0.45-0.8mm
Nitrided Brittleness	Less than Grade 2
Surface Roughness	Ra 0.4
Screw Straightness	0.015mm
Alloy Hardness	HRC 50-65
Alloy Depth	0.8-2.0mm
Minimum Order Quantity	1 set (1 pair of screws and 1 piece barrel)
Type	Conical Twin Screw and Barrel

Application Details

Primary Application: PVC processing

Production Output: 130-150 kg/h

Service Life: 20,000 hours

Global Customer Base: Western Europe, Eastern Europe, South America, South Africa, Middle East

Key Features

Precise dimensional accuracy with 0.015mm straightness
High capacity design supporting 150kg/h output

Material Processing Requirements

Raw Material	Processing Requirements
38CrMoAIA, SACM645	Nitriding treatment
Cr12MoV, Cr12	Alloy steel processing
38CrMoAIA, SACM645, 40Cr, AISI4140, 42CrMo	Alloy steel processing
4Cr5MoSiV1, SKD-61, SKD-11	Bimetallic inner hole centrifugal casting
GHII3	Natural hardening after high temperature treatment