SHJ-35Detailed configuration of twin-screw mixing and extrusion unit(For reference only)

SHJ35List of Typical Material Operation Abilities for Machines (Reference Values)

1 SHJ35twin screw extruderTechnical Parameter
Twin screw aspect ratio36:1---60:1
Twin screw motor power 18.5KW AC

2、 Unit configuration
A. SHJ 35 Twin Screw Mixing and Extrusion Unit
a、 gearbox
1) Reduction ratio: 2.5:1
2) Output shaft speed: MAX600RPM
3) Input shaft speed: MAX1500RPM
4) The deceleration and torque distribution parts of the main transmission box are integrated, adopting a parallel three-axis design with a compact structure. Imported bearings are used for deceleration, torque distribution, and radial bearings on both output shafts.
b、 Lubricating oil cooling system
1) Oil pump motor 0.55KW
2) Lubricating oil model: Shanghai Haipai 6402 medium load gear oil, model 85W/90GL-4
3) Brand: Xi'an Oil Pump Factory
4) Condenser model: SL-303
5) Lubricating oil pump model: CB-B6
c、 Main motor
1) Main motor: 18.5KW (AC motor)
2) Motor speed (MAX): 1500RPM
d、 threaded rod
1) Screw diameter: Φ35.5mm
2）L/D=40:1
3) The screw is in the form of building blocks
4) The screw core shaft is made of 40CrNiMoA material, and the threaded element is connected to the core shaft in an involute shape, which has high strength, high load-bearing capacity, and easy disassembly and assembly.
5) The material of the screw component is high-quality high-speed tool steel W6MO5Cr4V2, which has undergone high-temperature vacuum quenching heat treatment.
6) The overall hardness is HRC62~64.
e、 Material cylinder
1) The material of the barrel is 45 steel as the base, and the eight shaped hole is equipped with a double alloy liner. The wear-resistant alloy a-101 (Fe-Cr-Ni-B+Carbide) has a hardness of HRC60-64, and the barrel length is L=150mm/section.
2) The first section of the cylinder is the feeding cylinder, the ninth section of the cylinder is the exhaust cylinder, the tenth section of the cylinder is the extrusion cylinder, and the remaining cylinders are closed cylinders
3) Soft water circulation system
3.1 Soft water cooling is used inside the barrel
3.2 The soft water tank is separated from the machine body for easy cleaning and maintenance
3.3 Imported solenoid valves from Italy
3.4 Copper pipes with chrome plating treatment are used for water pipes
3.5 Cooling method: Water cooling
3.6 Cooling pump: 0.55W
3.7 Water tank capacity: 60L
f、 Heating system
Temperature control section, material cylinder section, heating element type
The first stage of feeding
Copper casting in the second section of Zone 1
Copper casting in the third section of Zone 2
Cast aluminum in the fourth section of Zone 3
Cast aluminum in the fifth section of Zone 4
Cast aluminum in the sixth section of Zone 5
Cast aluminum in the seventh section of Zone 6
Cast aluminum in the eighth section of Zone 7
Cast aluminum in the ninth section of Zone 8
Cast aluminum in the tenth section of the ninth district
Use a melting temperature thermocouple to measure the melting temperature of the material, and use a pressure sensor to measure the material pressure.
h、 Vacuum degassing device
1) SK-0.15 water ring vacuum pump, Zibo Lianyi Vacuum Pump Factory
2) Drive motor: 0.75KW AC
3) Maximum suction capacity: 9m ³/h
4) Working fluid volume: 0.2 m ³/h
j、 electrical control system
1) 3X380V, AC 50Hz
2) The main electrical control components are Siemens products
3) The control button is a Schneider product from France
4) The twin-screw motor is an AC motor with a power of 18.5KW, and the speed control device of the twin-screw host is an imported frequency converter
5) The speed control device of the feeder is an imported frequency converter
6) The temperature control instrument adopts products from RKC company in Japan, with dual channel intelligent type and one temperature control for each zone
7) The range of the pressure gauge is 0~25Mpa
8) The solenoid valve adopts the Italian imported solenoid valve CEME9313
9) Heating is controlled by a temperature controller through a solid-state relay
10) Electrical control cabinet control includes: temperature control system; Drive system; Interlocking control system
k、 Interlocking control system
1) The oil lubrication system is interlocked with the main engine, that is, the main engine can only be started after the oil pump is started.
2) The feeding system is interlocked with the main engine, that is, the feeding machine can only be started after the main engine is started.
3) The pressure system is interlocked with the main unit, which means that when overpressure occurs, both the main unit and the feeding system stop working.
4) The current is interlocked with the host, that is, when there is an overcurrent, both the host and the feeding stop working.
B、 One set of pelletizing auxiliary machine
1) 1 piece of 1-meter stainless steel sink
2) One LQ-60 granulator
3) One 0.55KW blow dryer
C、 spare parts
1) Three sets of heaters
2) One input and three output oil seals for the transmission case
3) Twin screw component 300mm
4) Two pairs of asbestos gloves

3、 Training and Service
1) Provide on-site installation guidance
2) On site debugging and testing of equipment
3) Responsible for on-site operation training and maintenance training for personnel of Party A
4) Provide a one-year free warranty for equipment failures caused by design or manufacturing quality, and ensure long-term supply of spare parts.
5) Long term provision of technical consulting services
6) Within or outside the warranty period, the supplier shall provide clear solutions within 6 hours after receiving notification of equipment failure from the purchaser. If the supplier needs to send personnel, they shall be responsible for on-site maintenance within 10 hours (excluding transit time).

4、 Installation and commissioning: After the unit arrives, the purchaser shall install the unit in place according to the technical documents provided by the supplier. The supplier shall immediately send commissioning personnel to the equipment installation site of the purchaser to guide the commissioning and installation. The demand side should have the conditions for trial operation. After the unit operates normally, it will be handed over, and the purchaser should provide the supplier with a user acceptance report. The materials required for the trial run shall be provided by the purchaser, and the process conditions for the trial run shall be determined by the purchaser and agreed upon by both parties.

5、 One copy of technical data