screw element and barrel for pvc extrusion machine

 Features of screw elements

1.higher kneading than normal

 2.kneading screw,conveying screw and flux limited screw elements

3.38crmoala

4.nitriding0.5mm

Technical process of barrel

Quenching & Tempering → Rough Machining → pulling internal involute spline machine → Strand-cutting → Milling machine or lathe(Semi Finishing Machining)→CNC Machining center→CNC threadgrinder(Finish machining) → vacuum quenching → Inspection

Certificates

Packaging & Shipping

Pacakge: Wooden case or Using Anti-rust oil processing, then use stretch film cover extruder against moisture damage.

Shipping: By sea or By express

About Nanjing Haisi Extrusion Equipment Company

Nanjing HaiSi Extrusion Equipment Co., Ltd is a High-Tech company, which is composed of well-experienced team in R&D, manufacturing technique, sales service and basing on extruder industry for many years. Our company is a professional manufacture of high quality pelletizing extruders for coloring/ dyeing and master batch production, as well as plastic modification and compounding ,plastic recycling. Innovative machines are built as per the concept of durability, high efficiency and economical power consumption.

What can we do for you?
1. Good quality twin/single screw extrusion machine or other spart parts with competitive price.
2. Satisfying services.
3. OEM&ODM

Our Service
As for the products. we have passed CE. FCC certificates.

As for factory firm ability ,we have passed CE. ISO. SGS.

Our sincerity business commercial ethic is :''the business principle of best quality,customer always the first". 

Sincerely welcome to contact us to made a good cooperation with us.