BD-8868-B

Laboratory twin-screw extruder pelletizing unit / PLC program-controlled type

The machine is suitable for mixing and processing experiments of engineering plastics, modified plastics, waste plastics and color masterbatch. It has the functions of plasticization and homogenization, coloring and proofing, filling and modification, etc. It is suitable for laboratory testing and quality control, teaching research and small-scale production. It can directly extrude granulation, sheet and pipe to simulate a variety of production processes.

one Screw diameter: 20, 25, 30 optional

two Length diameter ratio: 40, other length diameter ratios (10 ~ 30 times) are optional

three Screw steering: flat and in the same direction

four Screw speed: 0-120rpm variable frequency speed regulation

five Screw: 40CrNiMo chromium molybdenum alloy special tool steel. The screw is equipped with feeding section, conveying section, compression section and mixing head. It is treated by hard chromium polishing, ultra precision grinding and other processes. The depth of nitriding layer is 0.4-0.7mm, and the nitriding hardness is HRC55 ~ 60

six Material barrel: it adopts bimetallic material, replaceable cemented carbide wear-resistant inner sleeve, and multi section barrel combination arranged according to different functions

seven Combination mode: the screw kit is a building block screw combination, and the barrel is a multi-stage combination

eight Heating area: cast aluminum heater in zone 4 of barrel, heater in zone 2 of head, covered with stainless steel safety hood

nine Cooling device: water cooling system is adopted for the whole section of the barrel

ten Driving power: 2.2kw/3.7kw/4kw gear reduction motor

eleven Melt temperature and pressure: 0-35mpa. The sensor can accurately monitor the pressure and temperature changes and automatically control the operation of the host (optional)

twelve Feeder: 0-50rpm frequency conversion speed regulation screw forced blanking

■ auxiliary mechanism

one Extrusion die head: quick change machine head, strip number 2 - ￠ 3 (√ cylindrical □ hollow □ sheet shape)

two Cooling water tank: 304# stainless steel movable water tank / water inlet and outlet valve / combined guide wheel / wiping wheel / dryer