BD-858-A Laboratory Single Screw Extruder/Instrument Type
This machine is suitable for mixing, plasticizing, and extruding high molecular weight polymers such as engineering plastics, modified plastics, and color masterbatch. It has the characteristics of uniform dispersion, plasticizing coloring, and filling modification. Suitable for laboratory testing and quality control, teaching research, and small-scale production.
1. Screw diameter: 20, 25, 30 optional
2. Screw speed: 0-80rpm variable frequency speed regulation
3. Length to diameter ratio: 25, other length to diameter ratios (10-30 times) are optional
4. Screw material: 38CrMoAl chromium molybdenum alloy, surface treated with quenching and tempering, nitriding, chrome plating, polishing, and ultra precision grinding processes, hardness HRC55-60, roughness Ra ≤ 0.4 μ m, nitride layer depth ≥ 0.6mm
5. Material of the barrel: 38CrMoAl chromium molybdenum alloy, surface treated with quenching and tempering, nitriding, chrome plating, polishing, and ultra precision grinding processes, with a hardness of HRC55~60, roughness Ra ≤ 0.4 μ m, and a nitride layer depth of ≥ 0.6mm
6. Heating zone: Mica heater in zone 4 of the material barrel, heater in zone 1 of the machine head, each zone equipped with copper heat dissipation fins and covered with a stainless steel safety hood
7. Cooling device: 3 sets of multi blade fans for ultra static forced air cooling
8. Drive motor: 0.75~2.2KW gear reduction motor
9. Power supply: 3 ∧, AC380V, 50Hz three-phase five wire
10. Electronic control system: PID/LED/RKC intelligent digital temperature controller, high-precision digital instrument displays all extrusion parameters