Small Plastic Pelletizer Equipment Instruments required for the preparation of small-scale pelletizers for material laboratory supply: Twin-screw mixing and extrusion machine; Auxiliary equipment includes a 1.5-meter stainless steel water tank, blow dryer, and pelletizer; Jiutong Machinery WeChat ID: 138-2574-4148 Manager Shao Li.

The extrusion pelletizing unit consists of mechanical and electrical control parts, with the mechanical part including the main machine and auxiliary equipment.

Basic parameters of the SHJ20 experimental extruder:

1.Nominal screw diameter:　　　                            φ21.7 mm

2.Screw speed:　　　                            600 r/min

3.Screw length-to-diameter ratio:　　　                            40

4.Production capacity:　　　　　                            5～10 Kg/h

5.Total unit power:　　　　                            10 kw

6.Main machine drive power:　　                              4 kw

7.Main machine center height:                                    600 mm

8.Main machine weight:                                     ～800Kg

I. Main Machine Part of Twin-Screw Plastic Pelletizer:

1. The main machine consists of an AC motor, coupling, reduction gearbox, lubricating oil system, feeding system, barrel and screw, heating system, vacuum system, soft water system, cold-cut die head, and machine body.

a. AC motor: Power 4 kw, speed 1500 r/min, provides power to the main machine;

b. Coupling: Component connecting the AC motor and the reduction gearbox;

c. Reduction gearbox: Output speed 600 r/min, its function is to reduce speed and distribute torque.

d. Lubricating oil system: Achieves cooling of lubricating oil and lubrication of gears and bearings.

Parameters of the lubricating oil system are as follows:

Lubricating oil model: Shanghai Hai Brand 6402 medium-load gear oil, model 85W/90GL-4

e. Feeding system: Measures the added materials, which fall from the hopper into the feeding barrel.

Parameters of the main feeding system are as follows:

Feeder type: Twin-screw feeder