What are the technical parameters for nitriding?

Nitrided layer depth is 0.5-0.8mm, hardness is 900-1000HV, brittleness is less than grade 1, and surface roughness is Ra 0.4.

What payment terms are accepted?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) for payment.

PVC PS PE Conical Twin Screw Barrel Plastics Machine Part

Name: PVC PS PE Conical Twin Screw Barrel Plastics Machine Part
Brand: Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
SKU: 674719312

Zhejiang, ChinaZhejiang Zhongyang Screw Manufacturing Co., Ltd.

US$1,000.00-10,000.00

1 Set

Product profile

Customization

Available

After-sales Service

Yes

Warranty

Yes

Model NO.

Customized

Type

Pipe Extruder

Plastic Processed

PVC

Product Type

Granulating Extruder

Feeding Mode

One Feed

Assembly Structure

Separate Type Extruder

Screw

Twin-Screw

Engagement System

Intermeshing

Screw Channel Structure

Deep Screw

Exhaust

Automation

Automatic

Computerized

Size

Customize

Material

Nitriding Steel

Nitrided Layer Depth

0.5-0.8mm

Nitrided Hardness

HRC56-58

Nitrided Brittleness

Less Than Grade 1

Technic

Nitriding Treatment,Heat Treatment,etc

Certification

ISO9001

Condition

New

Linearity of Screw

0.015mm

Surface Roughness

Ra 0.4

Transport Package

Slushing Oil Coated& Film Wrapped in Wooden Case

Specification

ISO 9001: 2008 approved

Trademark

ZHONGYANG

Origin

China

HS Code

84779000

Production Capacity

100 Sets/ Month

Key features

Customizable Specifications: Standard sizes available with full customization for size, material, and compression ratio.

Premium Material Options: Constructed from 38CrMoAlA, 42CrMo, or HPT Bimetallic alloy for superior durability.

High Hardness Nitriding: Nitrided hardness reaches 900-1000HV with a depth of 0.5-0.8mm for extended wear life.

Versatile Application Range: Suitable for PVC, ABS, TPR, TPU, recycled materials, and modified engineering plastics.

Professional Manufacturing: Experienced manufacturer with first-class R&D team and professional after-sales service.

Precise Technical Parameters: Screw linearity 0.015mm, surface roughness Ra 0.4, and bimetallic layer depth 3mm.

Flexible OEM/ODM Service: Supports OEM and ODM services with customizable nitriding treatment and heat treatment.

1-Year Warranty Coverage: Comprehensive 1-year warranty focusing on quality assurance and reliable service.

Company profile

Zhejiang Zhongyang Screw Manufacturing Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedNearest Port: Ningbo PortAverage Response Time: >24h CertifiedTerms of Payment: LC, T/T CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR

AI-Powered supplier vetting

SummaryZhejiang Zhongyang Screw Manufacturing Co., Ltd. is presented as a China-based manufacturer and distributor of screws, barrels, and related assembly parts for plastic and rubber machinery. The supplier reports 12 years of industrial experience, a factory equipped with advanced CNC machines, more than 10 production lines, 50 quality-control staff, and exports to South America, Southeast Asia/Mideast, and Europe. It describes an ISO-certified quality system established in 2006 and offers design, technical support, customer service, and overseas engineering assistance. However, the records contain material inconsistencies regarding factory size, workforce, business type, and R&D staffing. No verifiable customer cases or detailed financial-strength evidence is provided.

Supplier typeThe supplier is legally identified as Zhejiang Zhongyang Screw Manufacturing Co., Ltd., a China-based limited company. Its stated business is designing, manufacturing, rebuilding, and distributing screws, barrels, and assembly parts, although one record labels the company nature as a trading company, creating a classification inconsistency.

CertificationsThe supplier explicitly states that it has been an ISO-certified enterprise since 2006 and that it operates a complete quality-control system covering production through final products. The specific ISO standard and certificate details are not provided.

After-Sales capabilityThe supplier describes a dedicated after-sales team, customer archiving and follow-up through product receipt and trial, efficient problem resolution, and the ability to send engineers to customer locations in China or abroad when necessary. These statements support an established service capability, though no service performance metrics are supplied.

R&D capabilityThe supplier reports professional design teams and experienced, creative engineers who address technical problems and design new screws and barrels for performance improvement. However, the records provide no quantified R&D resources, patents, new-product results, or development timeline.

Production capacityThe supplier reports a 10,000 m² factory with advanced CNC equipment, more than 10 production lines, 50 quality-control staff, and a one-month off-peak lead time. Other records state a 5,000 m² plant and alternatively more than 50,000 m² with over 200 workers, so capacity is indicated but the scale data is inconsistent.

Customization capabilityThe supplier states that it maintains sales, design, production, inspection, and service teams, supports specific customer needs, and designs new screw and barrel configurations to achieve targeted performance. This directly supports customization capability, although no examples, engineering specifications, or limits are given.

Product Q&A

Q:What materials are used for the screw barrel?

Base materials include 38CrMoAlA, 42CrMo, 4Cr5MoSiV1, 9Cr18MOV, and HPT Bimetallic alloys such as Fe-based, Ni-based, Co-based, and Tungsten carbide.

Q:Can the specifications be customized?

Yes, we can customize the size, material, nitrided layer depth, hardness, and compression ratio according to customer requirements beyond standard specifications.

Q:What is the warranty period for this product?

We provide a 1-year warranty for the product, focusing on quality and service.

Q:What is the production lead time?

The production time is about 20-30 days after receiving the advanced payment.

Q:What types of plastics can this machine process?

It processes PVC, PS, PC, ABS, TPR, TPU, PMMA, C-PVC, UPVC, RPVC, PET, EVA, PU, and recycled materials.