This is a conical twin screw(20mm) extruder used for producing small batch of polymer specimen for testing and analysis of new formula or explore compounding processing. This small extruder is specially designed for factory laboratory and college academy with a throughput 2~8kg/hr(PVC).
For more information, please contact:
info@kennethmixer.com
WhatsApp: +86 15962351310
Machine Frame
It is welded by national standard rectangular steel and national standard steel plate, and processed by response force. It has high rigidity, small deformation, firm structure, and small vibration during mechanical operation, which is conducive to the stable operation of the equipment and maintains the precise clearance of the barrel and screw. The abnormal wear of the barrel and screw is reduced, and the plasticizing efficiency of the machine is improved.
Gearbox (including reduction gearbox and distribution gearbox)
The product design adopts the technical specifications stipulated by ZBJ19009-88, the gears and shaft parts are made of high-strength alloy steel, the gear accuracy is GB10095-88, level 6, the tooth surface hardness is HRC-6, and the output shaft end is equipped with over-spec thrust The main standard parts such as the bearing, bearing the rear thrust of the screw, the bearing and the oil seal are all high-quality domestic products, the whole machine has a high load-bearing capacity, stable transmission, low noise and high efficiency.
A. Reduction Ratio: 16:1
B. Input Power: 3kW
C. Adopt grind hard tooth surface gear, low noise, long life, reliable operation
D. Oil-immersed lubrication system
Screw&Barrel
A. The material of the barrel and screw are both 38CrMoAlA high-quality nitrided steel, which are processed in strict accordance with the processing technology, and the testing methods are advanced to ensure quality
B. Depth of nitriding layer: 0.6~0.8mm, nitriding hardness: screw 850HV, barrel 930HV
C. Screw diameter: small head 20mm, big head 40mm
D. Screw length: 460mm
E. Screw speed: 0~60RPM
F. Surface roughness of screw ridge: 0.4um
G. The inner surface roughness of the barrel: 0.4um
H. Output: 2~8kg/h(PVC)
Heating System (heater)
A. The barrel adopts 3 sets of heaters, and the die head is equipped with 2 zone heaters. The heaters are made of high-quality talc covered by high-quality stainless steel housing, which is beautiful and anti-corrosion.
B. The temperature controller automatically controls the temperature. The temperature controller with stable quality and temperature control accuracy of ±1℃, ensuring that the raw materials are plasticized at a constant and ideal temperature.
C. Heating power: 2-AC220V, 50HZ
Cooling Device
A. The extruder barrel is cooled by 2 sets of centrifugal fans, 120W/zone, the machine adopts the national premium brand (JEFFY) fan, which has a small and beautiful appearance, large cooling air volume, high cooling efficiency and low noise.
B. Fan power supply: 2-AC220V, 50HZ
Main Drive
A. Motor power: 2.2KW, using brand-name motors, excellent quality.
B. Equipped with INVT or EDSUN inverter
C. Integrated installation of motor and host
D. Power supply: 3-AC380V, 50Hz
E. Motor synchronous speed: 970RPM
Electrical Control Cabinet
A. Power supply: 3-AC380V, 50Hz, total installed capacity 5KW, actual consumption is about 1.5-2.5KW
B. Frequency converter: INVT or EDSUN inverter
C. Temperature control: 5 zones, WINPARK digital intelligent temperature controller, automatic temperature control
D. Independent horizontal electric control cabinet with plastic spray treatment on the surface and integrated installation with the extruder
Vacuum Exhaust Device
A.Vacuum pump power: 0.55kW
B.Max. vacuum: 0.08MPa
C.With dust filter
D.With vacuum display device
Hopper
Made of stainless steel.
Hot Cutting Pelletizing Die Head
The head body and plate are made of high-quality nitrided steel(3Cr13), and the surface is hardened, with good wear resistance. The number of strips and the diameter of granulation can be selected, and the built-in fast hinge chain changer
Documents Shipped with Machine
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