Conical Twin Screw for Granulation Conical Twin Screw for Granulation

We provide all kinds of screws for plastic extrusion, injection molding, plastic tubing and so on. The screws are applicable to different types of extruders, such as twin screw extruder, plastic extruder and chemical fiber extruder etc. It has stable extrusion process, high production and perfect quality. We are the leader in plastic machinery over the past years. We can provide high quality products (screw) at competitive price.

Website:www.majormach.com Email:sales@majormach.com



Product advantages:

Reasonable structural design, perfect mixing and plasticizing effect, high productivity, stable extrusion.

Unique formula of double alloy spray welding on the surface of the screw can prolong the service life of the screw effectively.

Large bearing torque with small energy consumption.







Product details:



Conical twin screw is suitable for modification and granulation by all kinds of PVC powder.



The screw has applied oil cooling system. Barrel is cooled by wind cooling system. The screw is made by high precision special digital screw miller. Thus ensure each extruder device be exactly the same.

The design of the screw has introduced advanced design concept and actual production status, adopt variable pitch, variable fit space, fine computational fluid dynamics and other design concepts. The materials can be more softly sheared, kneaded and compressed while transporting along the screw to meet the requirement of actual production.

Technical Parameters:

Material: High quality alloy 38CrMoAlA is bought from from international well-known manufacturers.

Heat treatment: the raw material is treated by several heat treatment procedures such as quenching, tempering, qualitative,, nitride treatment, etc. to achieve the technical requirements of HB>=280, Nitride hardness (HV)>=980, Nitride thickness between 0.45mm and 0.65mm, Nitride frangibility<=Class 2.

New material: To meet requirements from different customers, new materials, such as:SKD11, SKD61, etc., are sent to vacuum quenching treatment, then twice nitride treatments, thus to achieve higher abrasion performance.

Abrasive performance: Screw surface is spray welded by nickel-based alloy powder or tungsten carbide class alloy powder to improve screw abrasion performance and prolonging its service life.

Conical twin screw is suitable for modification and granulation by all kinds of PVC powder.



The screw has applied oil cooling system. Barrel is cooled by wind cooling system. The screw is made by high precision special digital screw miller. Thus ensure each extruder device be exactly the same.

The design of the screw has introduced advanced design concept and actual production status, adopt variable pitch, variable fit space, fine computational fluid dynamics and other design concepts. The materials can be more softly sheared, kneaded and compressed while transporting along the screw to meet the requirement of actual production.

Website:www.majormach.com



Email:sales@majormach.com