Bimetallic conical twin screw for PVC extrusion machine

Specifications

The bimetallic screw for extruder

The bimetallic Abraasion resistant and corrosion resistant
Material:High quality alloy steel:38CrMoAlA

Screws bimetallic mateial satellit 12

 Bimetallic Parrelle Twin Screws

The bimetallic Abraasion resistant and corrosion resistant
Material:High quality alloy steel:38CrMoAlA

Screws bimetallic mateial satellit 12

Size

TECHNICAL DATA    
1)Heat-treatment
2)Nitriding treatment
3)Bimetallic-alloy coating spraying
4)Hard-chrom plating

Depth of nitration case:0.4-0.7mm
Hardness of nitration:HV900-1060 (HRc56°-65°)
Roughness of the surface:Ra 0.4μm
Screw straightness: 0.015mm/m
Chrome plating thickness: 0.01-0.1mm
Bimetal coating thickness 1.5-2.0mm

Material:
Base material 38CrMoAlA, Welded inlay on the flight, prolong life of screw. Easy wearing parts of barrel feed inlet made from imported anti-wear alloy can be improvde abrasion performance.
Twin screw and barrel made: CINCINNATI, BATTENFELD, KRUSSMAFFEI, BAUSANO and AMUT model spares 

Bimetallic Parallel twin screws
1)High quality steel 38CrMoALA
2)Factory cost price
3)ISO9001:2008, SGS
4)Fast delivery best service   

  Woodencases with our company marks

 Zhoushan Huayu Machinery Manufacturing Plant

Add: No.69 Haifu Outer Pond, Yancang Street, Dinghai, Zhoushan,Zhejiang, China 316000

Tel: +86 (580) 8803-886   +86 (580) 8805-118   Fax: +86 (580) 8803-885  
Mobile phone: +86  135 7563 8315

ZHOUSHAN HUAYU MACHINERY MANUFACTURING PLANT is one of the largest domestic manufacturing enterprise that specializes in researching, designing and manufacturing high precise bimetallic and nitrided screws and barrels, as well as screw assembly parts, barrel assembly parts, various oil cylinders and air cylinders. We provide products for manufacturers of plastic injection, extrusion, chemical fiber, cables and so on.

After more than twenty years of constant pioneering efforts, we have enlarged our production scale yearly. We possess high technology advanced processing equipment from Germany. Furthermore, we have improved our production ability of 600 sets of twin-screws and barrels for conical and parallel, and 8,000 sets of single-screws and barrels. We have passed the ISO 9001:2000 International Quality System Identification. Therefore, all our products are guaranteed to be of perfect quality. Checkingthe quality is the most important stage in our production processing, before the goods are delivered to our customers. In order to carry out our target of achieving zero defects and 100% quality, strict quality checks are conducted at every stage of production,from the designing, manufacturing and up to the final stage of packaging, we ensure that only goods of high quality are delivered to our customers. As far as the quality of our products and services are concerned, our company won the approval of our customers and established a great reputation for our quality products.

What is screw and barrel processing production?

Our Screw and Barrel processing production: 

CustomerOrder--ProductDesign(CustomerDrawing)—ProductionFlowArrangement—Material Procurement—Hardening&Tempering—Drilling—RoughTurning—RoughThread Rolling(AlloySprayWelding)—Alignment—FineThreadRolling—Mixing—Alignment—HighFrequencyTreatment—Alignment—Polishing—Grinding—7 daysNitridingTreatment—Acid Piclking—Polishing—Chrome Plating—O.D.Grinding—Packaging&Shipping!