Mini single screw lab extruder
1. MACHINERY UNIT:
Feeding unit: Stainless steel fabricated hopper with level sight window and dump gate.
Tangential feed port 3D long with water-cooling jacket.
Extrusion unit: Dia.25mm 28 L/D metering screw with the standard barrel.
Base material Nitralloy (38CrMoAlA) and with nitrided hardened treatment. Screw surface with Cr-plating.
Barrel cooling unit: Air blowers 3 zones, 40W, 380V/3 phase/50Hz.
Barrel heating unit: Aluminum casting heaters 3 zones, total 2.5KW.
1 zone for flange, 1KW, 380V/3 phase/50Hz.
Thermocouple: J model thermocouple.
Temperature and pressure sensor: 1 zone for barrel.
Gear box: Surface hardened and grinding gear. Designed for long service life and low noise levels.
Power transfer unit: Rubber belt and wheels.
Motor: A.C. motor, 4kw 4p, 380V/3phase/50Hz.
Protection cover: Stainless steel fabricated for extrusion unit. the others are A3 steel.
Frame: Good quality channel steel welded with optimum design safety and reliable.
Others: Manufacturer’s standard.
Screw speed: 80rpm. Max.
Output: 6-10kg/hr. Max. for PLA, PE…
Center height: 1000mm
2. DIE HEAD
PVC sheet die head made from 45# steel tempered and surface with Cr-plating.
Sheet specification: 50mm*1mm
Heating zone: 1 zone, 2.2KW. 380V/3 phase/50Hz.
3.CONTROL CABINET
Mild steel fabricated cabinet with controls mounted on fascia plate.
Comprising power on lamps. ampere meters for main drive motor and heating points.
voltage meter for main drive motor. main drive stop/start switch. emergency stop button.
temperature controllers PID style (RKC brand) and switch for barrel, flange and die head. screw speed meter. digital display gage for melt pressure and temperature.
Frequency converter controller: ABB brand.
Other electrical appliance. (import or foreign joint venture in China)
4. Three roller calender
Roller diameter: 120mm; length: 250mm
Roller surface galvanized, polished
Up roller without power, up and down manually adjusting;
Middle roller is fixed type;
Bottom roller: up and down manually adjusting, driven by motor, 0.37KW. Controlled by ABB AC inverter.
Roller speed: 0.2-2m/min
5. Winder
Driven by torque motor, power: 0.37kw. The winder is dismantle type.
There is one 1000*500mm working platform. The three roller calender and winder are put on this working platform. Between the winder and calender, there is wheel damping device.
At the extruder control panel, install electricity consumption meter and each phase voltage meter.
Price: USD10 000 FOB Shanghai
Delivery time: 2 months from receiving the down payment.
Quotation validity: 2 months
Payment method:
After getting 30% down payment by T/T, the contract comes into effect.
After the supplier finishes the equipment, the supplier will inform the buyer to inspect and test the equipment. After testing, the buyer pays the remaining 70% of contract by T/T before shipping.
Package: With film and wooden package, suitable for sea-worthy transportation.
Guarantee period:
The general guarantee period is valid for 14 months after shipment or one year after the equipment goes into commission.
The guarantee includes exclusively the supply free-of-charge for any part that may have been found faulty at the origin or defective through incorrect assembly.
The guarantee does not apply to defects caused by negligence, improper handling.
Testing:
The equipment should be tested before shipment. Tests are carried out at our factory also in presence of the buyer.