Ø20 mm Twin Screw Extruder

ZC20 Twin Screw Extruder – Technical Specifications

Motor and Power System

• Y2 type, 4-stage AC motor (4 kW, 1480 rpm)

• Precise speed control via AC frequency inverter

• High-torque gearbox, hardened gears manufactured according to ISO1328-1995

• Long-lasting and reliable operation with Japanese IKO and NSK bearings

Screw and Shaft

• Screw diameter: 21 mm – L/D ratio: 36:1

• Modular screw design (conveying, mixing, kneading, reverse rotation blocks)

• Material: 38CrMOALA, vacuum quenched (HRC 60–64)

• Co-rotating twin-screw system with high efficiency

• High-strength 40CrNiMoA alloy steel shaft

Barrel and Heating

• 5-section barrel design (feeding, vacuum, closed sections)

• Inner hole reinforced with double-alloy bushing

• Soft water cooling system (φ60 mm copper pipes, 0.55 kW pump)

• High-quality cast aluminum heaters for uniform heating

Vacuum and Screen System

• Water-ring vacuum pump (2.2 kW, -0.07～-0.09 MPa)

• 28 L stainless steel vacuum tank

• Manual screen changer

Die Head and Mold

• Strand die head, plate tooling, and heater set

• Equipped with pressure and melt temperature sensors

• Plate mold with copper heater

Electrical Control System

• Operating voltage: 220/380/480V, 50/60 Hz, 3 phase (customizable)

• AC contactor: SIEMENS

• Main motor air switch: LG

• Relay and temperature controller: OMRON

• Low-voltage components, buttons and switches: DELIXI

• Electric control cabinet includes both temperature control and driving systems

Water Strand Pelletizing Unit

• Stainless steel water tank (1 m length)

• Dryer: 1.1 kW motor

• Pelletizer: 0.75 kW motor

• Ensures consistent and high-quality pellet production

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Key Advantages

• Energy-efficient, low-noise and vibration-free operation

• Equipped with premium brand components: Siemens, OMRON, LG, NSK

• Modular screw design for flexible production needs

• User-friendly control panel and advanced safety systems

• Long service life with durable spare parts and easy maintenance