Efficient two-stage mixing and extruding unit configuration
A, SHJ 65 twin screw mixing and extruding unit
a, a twin screw metering feeder
b. Gear reduction box
1) Reduction ratio: 3: 1
2) Output shaft speed: MAX500RPM
3) Input shaft speed: MAX1500RPM
c.Lubricating oil cooling system
1) Oil pump motor 0.55KW
2) Lubricant model: Shanghai Haipai 6402 medium load gear oil, model 85W / 90GL-4
3) Brand: Xi'an Oil Pump Factory
4) Condenser model: SL-305
5) Lubricant pump model: NB-B10
d. Host motor
1) Host motor: 55KW (AC motor)
2) Motor speed (MAX): 1500RPM
1) Screw diameter:
2) 62.4mm, large diameter: D = Φ62.4mm, small diameter d = Φ40.4mm,
D / d = 1.54, center distance: A = 52mm, torque: T = 716N.M, torque coefficient: T / A? = 5.1.
3) L / D = 32: 1
4) Screw type is block type
5) The screw mandrel is made of 40CrNiMoA, and the screw element and the mandrel are involutely connected, which has high strength, large load and convenient assembly and disassembly.
6) The screw element is made of 38CrMoAlA. Nitriding treatment, hardness HV950 ~ 1050HV, nitride layer depth 0.4 ～ 0.5mm
1) The barrel material is selected from 38CrMoAlA, nitriding, hardness HV950 ~ 1050HV, nitride layer depth 0.4 ～ 0.5mm
2) * The cylinder is a feeding cylinder, the eighth cylinder is an extrusion cylinder, and the remaining cylinders are closed cylinders.
3) Soft water circulation system
3.1 Soft water cooling in the barrel
3.2 The soft water tank is separated from the body for easy cleaning and maintenance
3.3 Italy imported solenoid valve
3.4 The water pipe is chrome-plated
3.5 cooling form: water cooling
3.6 Cooling pump: 0.55KW
3.7 Water tank capacity: ~ 120L
h 、 SJ-150 single screw extruder
1. Screw diameter: 150mm
2. L / D ratio: 7: 1
3. Large speed of screw: 85rpm
4. The single screw barrel and screw are made of 38CrMoAl nitride, and the screw core can be cooled by water.
5. The gear is made of 20CrMnTi. The lubrication system uses self-lubricating internal cooling.
6. The single screw barrel is heated by cast aluminum electric heating; the barrel is cooled by water flow.
7. Main motor: 6-level AC 37KW
8. One set of twin screw and single screw single and double coupling body.
Technical parameters of efficient two-stage mixing and extruding unit
Twin screw aspect ratio: 32: 1
Single screw length to diameter ratio: 7: 1
Twin screw motor power: 55KW
Single screw motor power: 6-37KW