TBT-8177-ZB Twin screw extrusion granulation line
Suitable for all kinds of plastic extrusion granulation, plasticizing homogeneous, color proofing, filling modification,etc..
Double- Screw Extruder
Output |
According to the raw material formulation process |
Screw diameter |
Φ20,Φ25,Φ30 Optional |
Length diameter ratio |
1:40 Optional |
Screw direction |
Parallel and same direction |
Screw rotation speed |
0-120rpm |
Screw |
Spindle with 40 crnimoa chromium molybdenum alloy tool steel, screw thread adopts W6Mo5CR4V2 wear-resisting alloy steel, hardness is HRC60,with transportation, mixing, shearing, mixer, kneading and reflux block, building block series components, can combine according to any material recipe, to meet the needs of different extrusion process. |
Barrel |
5 sections of cylinder adopt 38 CrMoAl nitriding steel forgings, liner wear-resistant alloy, hardness is HRC60, via nitriding, conditioning and ultra fine grinding process, the surface roughness Ra≤0.4μm, wear-resisting and corrosion resistance |
Heating zone |
5 cast aluminum heaters fixed at barrel,1 heater at handpiece, each section with 1 kw heating power, security wind cowl overlied outside |
Cooling zone |
Cylinder segment using soft water circulation cooling system, each segments of cooling water flow rate is adjustable, equipped with self-priming pump, 304 stainless steel water storage tank , water pipe and the electromagnetic valve component,etc. Can apply independent temperature control at each segments of cylinder |
Vacuum zone |
Water circulation vacuum degassing device, equipped with water ring vacuum pumps, vacuum gauge, regulating valve components, forming non-clog exhaust system. |
Feeding device |
Adopt screw feeding and vibration feeding methods.Feeding speed from 0 to 50 RPM is frequency adjustable. The connetion method between feeding device and host is sliding mode, it’s convenient to clean up the screw. Feeding stably, difficult to bridge. |
Die-head pressure |
Handpiece working pressure is 15 mpa, high presicion temperature and pressure sensors monitor the nose melt temperature and pressure variation, interlock control host operation, with the overpressure protection function. |
Granulation die head |
38CrMoAl chromium molybdenum alloy head, nitriding hardness HRC60, strand quantity and granulation diameter can be chosen, built-in hinge device can replace the screen rapidly. |
Reduction gearbox |
High speed heavy hard teeth surface gear transmission, gear reduction and torque distribution box is integration structure, internal transmission parts adopt imported bearing and oil seal, oil splash lubrication |
Drive motor |
Precision heavy geared motor, constant torque power output control. |
Main frame |
Overall frame adopts steel welding, firm structure ,out of shape not easily, at the bottom of the rack configured with mobile brake casters, convenient to install and move. |
Safeguard |
Safeguard functions include: the melt pressure and host interlock, overpressure alarm protection; Melt temperature and host interlocking, to start the outage protection; Feeding with the host interlocking, carries on the protection of the startup sequence. |
Control system |
PLC programmable color touch screen, man-machine interface operation system, extrusion process can be displayed and monitored dynamically,Including temperature control, driving, pressure, interlocking spreading function. |
Power |
3PH,AC380V,50Hz Three-phase five-wire |
Dimension |
1950×500×1500(W×D×H)mm |
Weight |
About285Kg |
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