Polyamide granule extrusion production line machine list
Scope of equipment supply and technical parameters
1. Main machine: the same direction twin-screw extruder SHJ-75B 1 set
A. Mandrel: Material: 40CrNiMo
Heat treatment: tempering HRC 30-33
Thread element: includes thread sleeve, kneading block
Straight diameter: 71.6MM
Groove depth: 9MM
Material: W6Mo5Cr4V2
Heat treatment: special heat treatment, vacuum quenching HRC 62 or more,
The wear resistance is 50% better than that of commonly treated components.
B. Barrel: barrel inner diameter 71.6MM, a total of 9 sections. Each section is 4D, a total of 36D.
Material: Body 45# steel, tempered HB 220-240
Inner liner: ∞ word alloy bushing cylinder (containing 10% WC alloy sleeve, wear resistance increased by 50%) HRC60 or more
Heater: 1 ~ 3 zone head using cast copper heater, other cast aluminum.
Description: Section 1 Feeding
Section 5 is natural exhaust.
Section 8 Vacuum air port
A. Quantitative feeder with stirring twin-screw:
Feeding motor: 2.2KW AC speed regulation
Hopper volume: 120L
B. Gear box: Type B high torque design, using high-speed heavy duty hard tooth surface.
Input speed: 1500 RPM
Output speed: 50-500 RPM
Gear wheel: Material 20CrNi2Mo
Hot treatment: carburizing quenching HRC 58-62
Grinding precision: 6 levels
Bearing: International famous brand NSK, SKF products
Oil seal: original import
C. Main motor:
Power rate: 132KW AC
Maximum speed: 1500 RPM
2. Host auxiliary configuration:
A. Double screw ration feeder with mixing and enlarging:
Feeding motor: 2.2KW AC speed regulation
Hopper volume: 120L
B. Lubrication system:
Oil pump: inside gear pump 1500 RPM
Motor power: 0.75KW
Cooling device: tubular, heat exchange area 1.3M²
Filter: mesh type
Lubricating oil type: N150# intermediate press gear oil
C. Water cooling system:
Tank volume: 140L(stainless steel)
Water pump: 4.8M³/h
Motor power: 0.55KW
Cooling device: tube type
Water: deionized water
Installation: water pressure indicator, adjustable pressure
D. Vacuum system:
Vacuum pump: water ring vacuum pump
Motor power: 2.2KW
Ultimate vacuum: 1000Pa
Pumping rate: 60M³/h
E. Head net changing device: hydraulic double screen net changing, 24*3.5mm cross type.
3. Auxiliary engine
1) Grain cutter: gantry motor 4KW
2) Stainless steel sink 4.0m 1, drain with filter, line frame can be lifted up and down.
3) Strong wind dryer: stainless steel, vortex fan motor 1.5KW
4. Electronic control system:
Electric control cabinet -- Type II (Standard GGD cabinet)
1) Full digital display Omron temperature control meter. Schneider low voltage appliances.
2) Main motor, feeding motor control adopts Hui Xun Jun frequency conversion governor.
3) Temperature control module temperature control, Italy C.E.M.E solenoid valve (each section is controlled separately).
4) The heater adopts: one, two zone head adopts cast copper heater, other adopts cast aluminum heater, heating power :6KW/ knot.
5) The main motor has overload, overcurrent automatic protection device, melting pressure, material temperature alarm function, with
Oil pump, main engine, feed, program interlocking protection function.
6) The low-voltage electrical appliance adopts Schneider products, and the pressure sensor adopts Yanken brand and electrical interlock.
Strip cut part
1) Grain cutting method: The use of gantry cold draw grain cutting machine, the internal parts are made of stainless steel, the knife is made of special alloy knife (frequency control, motor 7.5KW).
2) Stainless steel sink; 4.5m 1 piece, drain with filter, line frame can be lifted up and down,
It can move horizontally.
3) Strong wind dryer: stainless steel, fan motor 2.2KW
5. Spare parts section
1) Cutter head 1
2) 1 net board
3) 1 set of hexagonal plate hand
4) Closed cast aluminum heater 1 pay
5) Vacuum port O-ring 3 pieces
6) One single-stage switch
7) Threaded element 500mm
8) Toolbox (inside: special tools, copper rod) 1
