Single screw extruder LE series

for LDPEventedlaboratory

Overview
Single-screw laboratory extruders with screw diameters from 12.5 to 45 mm, all with an L/D ratio of 30. Models with 25, 30, 40 and 45 mm diameters are available in vented or non-vented versions and can be fitted with plain screws, Maddock mixing elements or a mixing section on the screw tip. A 12.5 mm conical screw variant is available. 12.5 mm and 20 mm units are offered as Table Top versions.

Available models

• LE12.5-30
• LE20-30
• LE25-30
• LE30-30
• LE40-30
• LE45-30

Technical table
Single Screw Extruder | LE12.5-30 | LE20-30 | LE25-30 | LE30-30 | LE40-30 | LE45-30
Screw diameter (mm) | 20 to 12.5 conical | 20 | 25 | 30 | 40 | 45
Motor Power (kW) | 0.75 | 1.5 | 4 | 7.5 | 15 | 22
Motor Power for Vector drive (kW) | 1.16 | 2 | 5 | 11 | 22 | 22
Screw Speed range (RPM) | 0-150 | 0-150 | 0-300 (0-200 for high torque version) | 0-200 | 0-200 | 0-250
Number of heating zones on barrel | 3 | 3 | 4 | 4 | 4 | 4
Total heating power (Watt) | 1,400 | 2,800 | 4,500 | 8,000 | 8,200 | 9,600
Maximum output with LDPE (kg/hr) | 1 | 6 | 15 | 20 | 45 | 60

Technical features / specifications

• L/D ratio: 30 for all models.
• Screw diameters available: conical 12.5 mm up to 45 mm (models: LE12.5-30, LE20-30, LE25-30, LE30-30, LE40-30, LE45-30).
• Vented and non-vented options for 25, 30, 40 and 45 mm models.
• Screw options: plain screws, Maddock mixing elements, mixing section on screw tip.
• Table Top versions available for 12.5 mm and 20 mm units.
• Feeding system: integrated weighing hopper feeders; large touch-screen controller mounted on central control cabinet for precise layer-thickness control (enter as % of film thickness or in weight units).
• Motor power and speed ranges vary by model; vector-drive options available.
• Number of heating zones: 3 or 4 depending on model; total barrel heating power as specified in the table.
• Approximate maximum LDPE output: 1 to 60 kg/hr depending on model.

Technical characteristics / specifications

• Number of screws: single screw
• Treated material: for LDPE
• Other characteristics: laboratory, vented (for certain models)
• Output (minimum): 1 kg/h
• Output (maximum): 60 kg/h
• Screw diameter (min): 12.5 mm
• Screw diameter (max): 45 mm
• Screw length (min): 375 mm
• Screw length (max): 1,350 mm
• Maximum speed (min): 0 rpm
• Maximum speed (max): 300 rpm
• Power (min): 0.75 kW
• Power (max): 22 kW
• Motor power (vector-drive options) as specified per model
• Number of heating zones on barrel: 3 or 4 depending on model
• Total barrel heating power: 1,400 W up to 9,600 W depending on model
• Screw options: plain screws, Maddock mixing elements, mixing section on screw tip
• Variants: 12.5 mm conical screw; 12.5 mm and 20 mm table top versions
• Feeding: integrated weighing hopper feeders; touchscreen controller for layer/thickness control