BD-8868-B twin-screw extruder pellet cutting unit/PLC programmable type
This machine is suitable for mixing and processing experiments of engineering plastics, modified plastics, waste plastics, and color masterbatch. It has functions such as plasticizing homogenization, coloring sampling, and filling modification.
1. Screw diameter: 20, 25, 30 optional
2. Length to diameter ratio: 40, other length to diameter ratios (10-30 times) are optional
3. Screw rotation: flat and in the same direction
4. Screw speed: 0-120rpm variable frequency speed regulation
5. Screw: 40CrNiMo chromium molybdenum alloy special tool steel, screw with feeding section, conveying section, compression section and mixing head, processed by hard chromium polishing, ultra precision grinding and other processes, nitride layer depth of 0.4-0.7mm, nitride hardness HRC55-60
6. Material cylinder: made of bimetallic material, replaceable hard alloy wear-resistant inner sleeve, and multi section cylinder combination arranged according to different functions
7. Combination method: The screw kit is a modular spiral combination, and the barrel is a multi-stage combination
8. Heating zone: 4-zone cast aluminum heater for material barrel, 2-zone heater for machine head, covered with stainless steel safety hood
9. Cooling device: The entire section of the material cylinder adopts a water cooling system
10. Drive power: 2.2KW/3.7KW/4KW gear reduction motor
11. Melt temperature and pressure: 0-35Mpa, sensors can accurately monitor pressure and temperature changes, and automatically control the operation of the host (optional)
12. Feeder: 0-50rpm variable frequency speed control screw forced feeding
13. Vacuum pump: water circulation vacuum degassing device (optional)
14. Filter hood: Quick screen changer, 0-80 mesh micron aperture
15. Power supply: 3 AC380V.50Hz three-phase five wire
16. Electrical control system: PLC programmable color touch screen, human-machine interface operating system, extrusion process can be dynamically displayed and monitored
■ Auxiliary institutions
1. Extrusion die head: quick change head, output quantity 2- ￠ 3 (√ cylindrical □ hollow □ sheet shape)
2. Cooling water tank: 304 # stainless steel movable water tank/inlet and outlet valves/combination guide wheel/wiping wheel/dryer
3. Granulation device: adjustable cutting speed/adjustable traction speed/0.75KW variable frequency speed regulation