Home  >  Raw Material Processing Machinery  >  Plastic & Rubber Machinery Parts

high quality and high cost-effective., ISO2000-9001 Certification, Professional designer of screw barrel, High quality screw - details see: https://www.machineto.com/pc-pvc-ppo-ppa-bimetallic-screw-and-barrel-for-extruder-machine-10334971

Material

1 38CrMoAIA(JIS SACM645)

2 9Cr18MoV

3 42CrMoV(AISI 4140)

Heat treatment

• Nitriding treatment
• Electroplated hard chromium coating
• Spray coating anticorrosion
• Wear resistant bimetallic coating

Technical Parameter

• Quenching and Tempering Hardness HB240~280
• Hardness of Nitriding HV900~1020
• Deepness of Nitriding Layer 0.5~0.8mm
• Nitriding Brittleness ≤Grade 1
• Surface Roughness: 0.045mm
• Screw Alignment: 0.015mm
• Hardness of Chrome Plating Coating after Nitriding ≥950HV
• Thickness of Chorme Plating Coating 0.03~0.08mm
• Hardness of Bimetallic Alloy HRC55-62
• Deepness of Bimerallic Alloy 1.5~2.0mm
• Hardness of Tungsten Carbide Layer HRC70-75
• Thickness of Tungsten Carbin Layer 0.8~1.5mm
• Deepness of Titanizing Layer 0.05~0.10mm

Process

• Laser Coating Tungsten Carbide
• PTA Melt-Welding Alloy
• Centrifugal Mould Bimetallic Alloy
• Advanced nitrogen oozes handicraft
• Vacuum Quenching
• Titanizing
• Nickel Plating
• Chorme Plating

Technological Process:

Blanking→Rough Machining→Quenching & Tempering →Semi Finishing Machining→Finished Product→Detecting→Nitring/Alloy Processed →Finish Machining

The factoryand manufacture process:

How to Order

Screw Quality Inspection

Package

After inspected by our QC team, products are packed in wooden case

Products application:

About JL Products:

1.rich strength----We have our own professional teams in the sales, design, production, inspection and customer service areas. We concentrate to bring customers the most perfect customer experiences.

2.high-quality products----We adopt a series of advanced production and processing equipments such as CNC machines , Stellite PTA welding machines to ensure the quality of our products.

3.large international market----We do foreign trade more than 5 years, we have a set of mature foreign trade system, our customers are all over the world. We will continue to expand our international market.

4.location advantage----We are located in China’s screw town--- near the Ningbo Port and Shanghai Port.

5.serious and responsible attitude----Over the years, we always maintain a serious, professional and responsible attitude, make our best efforts to meet customers’ demands.

6.professiona design----our company can produce screw and barrel according to every customer's drawing and need

Welcome to contact us~!