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SHJ-50 Twin-Screw Air-Cooled Hot-Cut Granulator Unit Configuration

I. Production Material:

II. Production Capacity:

III. Unit Configuration

A. SHJ-50 Twin-Screw Mixing Extrusion Unit, L/D Ratio 40:1, Main Motor 45KW

1. One twin-screw metering feeder

1) Feeder motor is an AC motor, main feeder motor power: 0.75KW.

2) Speed control system uses Invt frequency converter for speed regulation.

3) Screw is a double-headed screw, gearbox speed ratio: 17:1.

4) Motor and gearbox are directly connected, feeder body includes a horizontal agitator, ensuring stable feeding without bridging.

2. Gear Reducer

1) Reduction ratio: 3:1

2) Output shaft speed: MAX 500 RPM

3) Input shaft speed: MAX 1500 RPM

4) Main drive gearbox integrates reduction and torque distribution, adopting a parallel three-shaft design for compact structure. Reduction, torque distribution, and radial bearings of the two output shafts all use NSK bearings.

5) Input and output shaft oil seals use original Japanese Hansen products.

3. Lubricating Oil Cooling System

1) Oil pump motor 0.55KW

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

3) Condenser model: SL-305

4) Lubricating oil pump model: NB-B6

4. Main Motor

1) Main motor: 45KW (AC motor) Siemens Beder

2) Motor speed (MAX): 1500 RPM

5. Screw

1) Screw diameter: 50.5mm

2) L/D = 40:1

3) Screw is modular.

4) Screw mandrel is made of 40CrNiMoA material, threaded elements and mandrel are connected via involute spline, offering high strength, large load capacity, and convenient assembly and disassembly.

5) Screw elements are made of high-quality high-speed tool steel W6MO5Cr4V2, with high-temperature vacuum quenching heat treatment.

6) Overall hardness HRC62~64.

6. Barrel