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Single Screw Extruder

Single Screw Extruder

Single Screw Extruder

1. Low price: single-screw extruders are compact and inexpensive. Twin-screw extruders are more than twice as expensive as single-screw extruders.
2. Simple recipe: single-screw extruders have a relatively simple process and recipe
3. wide range of applications: single screw is suitable for melt extrusion of polymers, for extrusion processing of pellet feed, such as forming, film blowing machines, injection processing, etc., and for a wide range of applications of raw materials.
4. Easy maintenance: In terms of maintenance, the single screw is simpler than the twin screw because the structure of the single screw is very simple and facilitates maintenance.
5. Basic principle of conveying: The conveying of single-screw extruders depends on the sliding friction formed between the raw material and the barrel.

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Extensive application experience
Our twin screw kneaders are used for a wide range of applications:
filler masterbatches, colour masterbatches, additive masterbatches, biodegradable plastics, cable kneading, engineering plastics reinforcement (GF), 
PVC kneading, polyolefin kneading, reactive direct extrusion, thermoplastic elastomers,
PET pelletizing and other plastics such as PE, XLPE, WPC.
  • Filler Masterbatch
    The filler MB is a concentrate of CaCO3 or Talc or BaSO4 in a polymer matrix. It can be used in applications such as injection moulding, blow moulding, films (single or multi-layer), sheets and tapes.
  • Color Masterbatch
    Single colour masterbatches or SPC (Single Pigment Concentrate), custom masterbatches, bespoke masterbatches. GSmach has the experience to help you produce high quality masterbatches.
  • Additive Masterbatch
    Additive masterbatches have many applications. Any plastic product requires at least two types of additive. It can change the physical or chemical properties. For example, flame retardancy, thermal stability or weather resistance.
  • Engineering Plastic
    Engineering plastics compounding is a major application for twin-screw extruders. It is used extensively in the automotive, electrical, blow moulding, film and pipe extrusion, fibre and other industries.
  • Biodegradable Plastic
    Plastic waste is becoming a huge challenge for a greener and better world. We can provide solutions for the compounding of biodegradable additive masterbatches or biodegradable plastics such as PPC, PABT, PLA, PBS, PCL, TPS, PVA, PVOH.
  • Thermoplastic Elastomers
    Thermoplastic elastomers are used in automotive, wire and cable, construction and transport, plumbing, footwear. GSmach has extensive experience in the compounding of TPR/TPEs, TPO, TPV, TPU, TPC, TPA.
  • Cable Compounding
    1) Polyethylene insulation and sheathing compounds
    2) Cross-linkable polyethylene (XLPE) insulation compounds
    3) PVC compounds for cables
    4) Halogen-free flame retardants (HFFR)
  • PVC Compounding
    Our two-stage kneaders are specially designed for PVC kneading.
    GSmach has delivered more than 150 high-performance PVC kneaders.
  • Direct Extrusion
    All raw materials, such as polymers, fillers and additives, are mixed or split fed, reacted and degreased in a high-speed twin-screw extruder and made directly into a final product such as sheet/film, bypassing pelletizing.
  • Polymer Compounding
    GSmach also offers large extruders for polyolefin compounding: polymer powders are pre-mixed with additives and then made into pellets with a capacity of up to 10 tonnes/hour. Our deliveries range from feeders to storage silos.
  • PET Recycling
    You can rely on GSmach's experience to develop and supply customised machines capable of handling tricky recycling tasks. No more struggling with the recycling of bottle-grade PET.
  • Other Compounding
    - Degreasing of polymers
    - Compounding for the rotomoulding industry
    - Compounding of thermoset plastics
    - Wood and plastic compounds
    - EVA/TPU hotmelt compounds
    - Graft compounds
Feel Free to Contact Us
Why Choose GS-mach
  • Many Leading Companies Trust Our Products
    GSmach is leading the market for extruded polystyrene equipment in China and we have worked with and supplied equipment to numerous well-known international companies such as BASF, Owens Corning, ISOFOAM, Ravago and many others. We have also gained the trust and recognition of various UN organisations.
  • Save 40% On Your Investment
    Our machinery qualifies for international quality and safety standards and is offered at a much more affordable price. Typically, we can help you save 40% of the cost, compared to other European suppliers. We will ensure you with both satisfied products and service from our expert team and multilingual service team.
  • Leading Experience Guidance
    Since our establishment in 2013, we have been specialising in polymer extrusion equipment and process technology. For twin-screw extruders alone, we have successfully delivered more than 2,500 units. You can always rely on our experience and support.
  • Technical Support and Service
    Our experts and engineers are here to assist and guide you through the challenges you face and optimise production performance. Through our operation of new intelligent control systems, we offer effortless, remote, simultaneous and accurate technical support.

Single Screw Extruder

The single-screw extruder is equipped with a smooth or slotted feed barrel and has length-to-diameter ratios from 8 to 32.

It is mainly used to process melts with venting or vacuum for recycling or product extrusion, which typically includes polyolefin and engineering recycling, melt blow moulding of fabrics, direct extrusion of engineering plastics into films, sheets, plates, pipes and profiles such as PET, PA, PBT, ABS PC.

Our newly designed GS series high-efficiency single-screw extruders have innovative features focused on energy savings, more precise process control and higher output.

We can guarantee you quality service and products with our experience and expertise, depending on your requirements for single screw extruders. Our experts will be happy to give you the expert advice you've been given, so talk to us today to find out more.

     Table of Contents

      ›Advantages We Offer

      ›Series Specifications

Advantages We Offer

     - Lower specific energy consumption, up to 30% lower than conventional extruders.

     - Greater output, up to 50% more for the same screw diameter

     - Excellent plasticising effect

     - Better mixing results

     - Precise and accurate process control

     - Wider range of applications including recycling, blending, tube extrusion and sheet/film extrusion

 

Series Specifications

Type Screw diameter (mm) Max. Speed(rpm) Motor(kW) Length of Screw (L/D) Output(kg/h)
GS20 20 93 3 8-32 5-10
GS65 65 93 30 8-32 80-100
GS120 120 93 160 8-32 500-600
GS150
 150 93 200 8-32 700-900
GS180
 180 93 280 8-32 800-1300
GS200 200 93 355 8-32 1200-1500
GS240 240 93 455 8-32 1500-2000

 

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