Parallel Twin Screw Melt Spinning Machine DW7090F
DW7090F Twin Screw Melt Spinning Machine for pitch is suitable for small batch production of carbon fiber or simulation teaching of complete production process.
Parallel Twin Screw Melt Spinning Machine DW7090F
DW7090F Parallel Twin-screw Melt Spinning Machine is a spinning test model specifically developed for the properties of chemical fibers and carbon fibers, enabling carbon fiber spinning and forming from chemical fibers, pitch-based, coal-based, or other modified materials. It also can simulation teaching of complete production process.
Automatic feed
The material is stored in charging barrel. After setting the amount of material needed to be input, the feeding motor starts to drive the screw. When the feeding amount reaches the set value, the motor stops working and the automatic feeding stops.
Twin screw melt extrusion
The material enters the screw extrusion part after measured by the cylinder. The screw melt amount is gradually reduced from left to right to ensure that the extrusion material has enough pressure, and the uniform melt amount of the metering section can ensure the stability of discharge.
Metering pump
The melt material comes to the metering pump through the screw extruder. All connecting parts of the pump are heated by heating pipes to ensure the uniform temperature and stable flow rate in the flow channel.
Spinning pack
Spin duct
Measurement and control part
- Data monitoring and control: Using real-time monitoring of material temperature and plug-in wall temperature control method, material temperature control is more accurate.
- PC remote control, interface display: extrusion speed, metering pump speed, winding speed, temperature display;
- Over-limit alarm: overload alarm, temperature over limit alarm, extrusion pressure over limit alarm, metering pump abnormal speed alarm.
Application
Application of Pitch Twin Screw Melt Spinning Machine
DW7090F Parallel Twin-screw Melt Spinning Machine is a spinning test model specifically developed for the properties of chemical fibers and carbon fibers, enabling carbon fiber spinning and forming from chemical fibers, pitch-based, coal-based, or other modified materials. It also can simulation teaching of complete production process.
Standards
Pitch Twin Screw Melt Spinning Machine standards
Key specification
Key specification of Pitch Twin Screw Melt Spinning Machine
| Applicable materials | Chemical fibers, pitch-based, coal-based, or other modified materials |
| Feeding | |
| Feeding method | Screw feeding hopper |
| Batch loading capacity | 2-15 KG |
| Melting, extrusion and metering | |
| Melt extrusion | Parallel twin-screw, screw diameter 35 mm |
| L/D ratio | 32:1 (L/D ratio optional) |
| Heating method | Screw 7-zone heating, with cooling |
| Temperature range | RT-450°C (programmable) |
| Extrusion / Metering / Filtration | Parallel twin-screw + metering pump |
| Melt pump | 2cc (other specifications optional) |
| Screw spinning pressure | 3-20 MPa |
| Pressure | ≤30 MPa |
| Spin pack | |
| Spinneret | 100 holes, hole diameter 0.25 mm, L/D ratio 3:1 |
| Spinneret assembly | Pack box + distribution plate + filter plate + gasket |
| Spinning duct | |
| Spinning duct | Semi-enclosed |
| Slow cooling heating temperature | RT-200°C |
| Duct length | 80 cm |
| Oiling system | Oil roller + nozzle oiling, oil tank 10 L, oil return port provided, oil reusable |
| Take-up | |
| Take-up roller size | Φ76 mm × 2 |
| Take-up speed | ≤800 m/min |
| Power | 35 kW |
| Power supply | AC 220V/380V, 50Hz |
| Overall dimension | 2,000 × 900 × 2,600 mm (L × W × H) |
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