Lab Single Screw Pelletizer 1
Desktop single screw extruder

Lab Single Screw Pelletizer

In the plastic processing industry chain, the formulation verification of new materials and small-batch modification production requires a key process – granulation. However, the high investment required for large-scale granulation lines often makes it difficult for small and medium-sized enterprises and laboratories to invest. A lab single screw pelletizer with solid performance and controllable investment is precisely designed to break this deadlock.

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Product Parameters
Type L/D Main Power(kw) Screw Diameter(mm) Screw Speed (rpm) Output(kg/h)
MSI20 11~30:1 3 20 120 0.5~3
MSI25 11~33:1 4 25 120 0.5~5
MSI30 11~36:1 5.5 30 120 0.5~7
MSI35 11~36:1 7.5 35 120 0.5~10

In the current situation of fluctuating raw material prices and rising labor costs, every expenditure must be carefully calculated.

A small single-screw granulator, which is simple in structure, stable in operation, and reliable in granulation, may not be the most expensive equipment in your workshop, but it is likely to be the one with the fastest return on investment.

 

Advantages of a Single Screw Extruder

Simple structure, one-step procurement cost

  • The significant reduction in single-screw structural components results in lower manufacturing costs, which directly translates into a more competitive overall machine price.

Zero threshold for operation

  • Usually equipped with a frequency conversion speed adjustment knob and a digital temperature control display, the operator simply needs to set the desired speed and temperature for each stage, pour in the pre-mixed wet material, and the granules can be produced continuously.
  • Maximum temperature: 350℃ (optional 450℃)    Temperature control accuracy ±1℃

Low energy consumption and simple maintenance

  • The motor power of a single-screw granulator is typically only 60% to 70% of that of a twin-screw granulator of the same specification, resulting in a considerable difference in electricity costs for long-term operation.
  • In terms of maintenance, the screw and barrel are the main wear parts, but their replacement cycle is long, and the disassembly and assembly steps are few, which can be completed by ordinary mechanics without relying on long-distance visits from original factory engineers.

High yield rate of good pellets

  • A granulation rate of ≥95% indicates that almost all of the input raw materials are converted into effective finished products, with minimal waste on screening and rework. The uniform diameter and controllable length of the molded particles are silent competitive advantages.

Strong adaptability

  • Whether it’s powdered activated carbon with added binder, filter cake-like catalyst, or kneaded wet food additive material, or feed raw material mixed with additives, all can be extruded into regular pellets.

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