120mm16D/20D Extrude Machine

1.3 Equipment weight: about 5 tons
1.4 Dimensions (length X width X height): about 4200X1200X1600mm
1.5 Equipment layout:

1. Special rubber head; 2. Fuselage; 3. Five-section automatic temperature control system; 4. Feed roller device; 5. Feed hopper; 6. AC motor; 9. AC speed control cabinet; 10. Screw cooling Device; 11. Base.

2. Main technical performance parameters:
2.1 Screw diameter: Ф120nn
2.2 Working length of screw: 1920mm
2.3 Screw length to diameter ratio: 20:1
2.4 Screw speed: 4.5-45r/min
2.5 Drive motor power: 110kw-1500r/min
2.6 Power conditions: 3-phase, 380V
2.7 Adapted Mooney viscosity: ML (1+4) 100℃ 50-90
2.8 Design output: 500-600KG per hour

3. Technical description
3.1 Extruder:
3.1.1 Screw: (customized outsourcing)
A. Material: 38CrMoALA;
B. The surface is nitrided;
C. Hardness ≥ HRC62
D. Nitrogen layer depth ≥0.55mm
E. Structure: Adopts German Telest structure, with good extrusion stability and large glue output.
a. It has a hollow structure over the entire length of the screw to facilitate temperature control.
b. The rotation direction of the thread of the rotary joint is opposite to that of the screw.
c. The screw head size is according to the enterprise standard.
d. Do 10kg/cm2 inside the screw for more than 1 hour water pressure test without leakage.
3.1.2 Barrel and bushing:
A. Barrel
a. Welded structure, tempered after welding, do 10kg/cm2, hydraulic test for more than 1 hour, no leakage.
b. The fuselage flange connected to the machine head can be processed according to customer requirements.
B. Bush: with exhaust port, the exhaust port does not run rubber
a. Material: 38CrMoALA;
b. The surface is nitridized, and our factory heat treatment workshop has imported nitriding furnace;
c. Hardness ≥ HRC66;
d. Nitrogen layer depth ≥0.55mm;
3.1.3 Feeding roller: structure obtained national patent
A. Material: 38CrMoALA, roller surface nitriding treatment, hardness ≥HRC62, hard layer depth ≥0.55mm;
B. Structure:
a. Internal circulation of water;
b. Can be connected to rotary joint;
c. The feed roller gear is made of 20CrMoTi, and the surface is carburized. The average depth of carburizing is 1.5mm;
d. The feed roller is driven by the gear reducer shaft through the gear, and the speed ratio gear has sufficient strength and wear resistance;
e. The speed ratio gear is lubricated with grease;
f. There is a rubber scraper to scrape off the rubber material on the surface of the roller. The scraper is fixed on the barrel and the gap between the roller and the roller can be adjusted. The feeding roller can be rotated and opened;
g. The feed roller bearing is lubricated with grease.