JWELL Nitriding Treatment 38CrMoAlA Extruder Screws And Barrels

38CrMoAlA Extruder Screw And Barrels

1) 38CrMoAlA(JIS SACM645)
2) 42CrMo(JIS SCM440)

1) 38CrMoAlA(JIS SACM645)
2) 42CrMo(JIS SCM440)

Heat-treatment
Nitriding treatment
Electroplated hard-chrome finish
High frequency quenching
Spray bimetallic coating
Vacuum quenching

1) 38CrMoAlA(JIS SACM645)
2) 9Cr18MoV

1) 38CrMoAlA(JIS SACM645)
2) 9Cr18Mo

Heat-treatment
Nitriding treatment
Spray bimetallic coating

Quideline of technique
Depth of nitration layer: 0.05~0.08mm
Hardness of nitration: 900~1000hv
Fragility of nitration: less than grand one
Roughness of the surface: Ra0.4
Linearity of the screw: 0.015mm/m
The surface hardness of chrom plating after nitrogention:more than 950hv
Chrome-plating layer thickness:0.025~0.085mm

About us

Changzhou Dyun Environmental Technology Co.,Ltd is a plant company of Jwell Machinery Co.,ltd which specialized in production of all kinds of plastic crusher, single screw pelletizing line, paraller twin screw pelletizing line, conical twin screw pelletizing line, PP,PE,PET crushing, washing and drying line, mixer, dryer, feeder and PVC compounding systems. All products have CE certification. Every product can push the field forwarder to enegy saving, convinence and environmentation. They give new life to plastic.

Dyun Environmental Technology Co., Ltd., the only environment-protection oriented modern subsidiary corporation of Jwell Machinery Co., Ltd., is specialized in environment protection machinery and the development, design, manufacture and sale of plastic recycling machine.

With more than 20 years of development and experience, our equipment has evolved from simplicity to diversity, and we have more than 30 inventions and innovations, and our product struc- ture is increasingly complete. The main products of Dyun are plastic crusher series, single-shaft series, double-shaft shred- der series, four-shaft shredder series, single-screw pelletizing machinery, twin-screw pelletizing machinery, and complete recycling equipment for waste plastic washing line, waste tire reusing line, waste refrigerator (household appliance) crushing line, and waste circuit board recycling line

After-sale service:

• The guarantee period is 1 year and service is available lifelong. The cost of broken components will be covered by the buyer, but during guarantee period, the cost of broken components will be covered by the seller, except the easy broken parts and damaged parts by human reasons.
• Our expert will answer any inquiry within 24-48 hours and it will be solved as soon as possible
• Buyer can send engineers to our JWELL company for training
• We supplies the complete technical documents and the relative drawings of the electric components in Chinese and English
• We will send enough technicians to the Buyer’s company for installation and commissioning of machines.The cost caused by the seller’s technicians in customer’s country (including shuttle trip ticket between China and the Buyer’s country , inland traffic, medical fees, lodging, dinner and so on) will be covered by buyer

CERTIFICATES

Our Products Have Passed Many Certificates.

FAQ

1. How soon can I get a quotation?

For most projects, once we know the necessary information about the recycled raw material, we can provide you with a quotation within 24 hours.

2. Can I have a customized design?

We design and construct each project according to customer's needs.

3. How do I know I can trust ordering from you?

Jwell is the top class manufacturer of plastic machinery in China.The first screw was made by our company(JIN HAI LUO) in 1978.We provide professional extruder and all kinds of extrusion line,such as pipe,sheet, profile, plate, film,blow moulding and recycling extrusion line.We have delivered our machines to over 170 countries.We also have overseas offices in many countries.Customers are satisfied with the machines and our service.