1

Protect the box body

1. Fully automatic ≥ 7-inch full-color touch screen control + high-voltage working status warning light;

2. Metal casing + corrosion-resistant anti-static inner lining, reserved wiring holes for easy addition of peripheral wiring;

★3. Double-sided tempered glass windows, corrosion-resistant, impact-resistant, buffer zone coated with film, no cracking even during thermal expansion and cold contraction;

★4. With a cleaning window with a diameter of ≥ 80mm, no need to open the door to clean the nozzle and loose threads; The door is designed to flip upwards, providing a wide field of vision, and the height of the flipping door can be adjusted;

5. Equipped with lighting lamp, observation lamp (position adjustable), ultraviolet deodorizer, exhaust fan, PTFE observation liner, with key lock, magnetic door;

2

Positive high-voltage power supply

1. Built-in positive high voltage, range: 0 - 30KV, touchscreen for continuous adjustment, accuracy 0.01KV;

2. Digital display, overcurrent protection, overvoltage protection, electric shock protection, overcurrent warning;

★3. Power off upon door opening detection;

3

Micro-propulsion system

1. Dual-channel pump: Two pumps have independent parameter settings, suitable for coaxial spinning, same-nozzle spinning, and two-component mixed spinning;

2. 7-inch touch screen control, flow rate ranging from 0.01ml/h to 999.99ml/h, with an accuracy of 0.01ml/h;

★3. Compatible with 1, 5, 10, 20, 30, 50, 60ml national standard syringes, and 4 types of non-standard syringes are stored in memory;

4. Parameter memory, countdown stop, parameter error prompt, corrosion-resistant body, anti-static and high-pressure resistant;

4

Environmental temperature control

★ 1. Carbon fiber infrared radiation heating, with two temperature control methods: automatic temperature control and power adjustment. The temperature range is from room temperature to -65℃, with an accuracy of 0.1℃.

2. The bottom plate has an independent large-area and dispersed air intake and exhaust ports, ensuring gentle air intake and exhaust without interfering with the fiber jet.

5

Environmental dehumidification

1. Equipped with an 800W external dehumidifier module, it can effectively reduce humidity to ≥ 40RH% (humidity above 80RH%). (Optional)

2. Can be used independently. It has water level reminder, overheat protection, gentle air intake, and does not interfere with the jet stream.

6

Reeling machine × 3

★ 1. Vertical drum filament collector: Rotational speed 0.01 - 3000.00 rpm (diameter ≥ 89 mm, length ≥ 200 mm), accuracy 0.01 rpm. Comes with release film, corrosion-resistant, easy to clean, convenient for film removal, and resistant to 30kV negative high voltage.

★ 2. Flat collector: Mirror-finish stainless steel material, ≥ 20 cm × 20 cm. Comes with release film, corrosion-resistant, easy to clean, easy to remove film, and resistant to 30kV negative high voltage.

3. Circular filament collector, diameter 100 mm, spacing 0 - 180 mm adjustable, rotational speed 0.01 - 3000.00 rpm, accuracy 0.01 rpm;

7

Three-axis adjustment

1. The Y-axis of the injection pump can automatically move back and forth within the range of 0-20 cm at a speed of 0.1-40.0 mm/second with an accuracy of 0.1 mm/second, and it can automatically find the zero point.

2. The X-axis of the injection pump can be manually adjusted from 5 to 15 cm, with scale indication.

★ 3. The Y-axis of the roller collector can be freely adjusted to any position, with an activity range of 0-12 cm. Four locks can be manually locked for convenient disassembly.

8

Universal joint spray-injection bracket

1. Equipped with a three-joint adjustable hovering bracket that can be folded and hidden;

★ 2. With 3-joint 360° angle indicators and pointers, it precisely records the spinning angle, making repeated experiments more accurate;

★ 3. The nozzle bracket is matched with three different multi-nozzle components, facilitating and enhancing the efficient spinning process;

4. The nozzle is linked by spring clips, making the experiments more convenient and simple;

★ 5. The electrode plates for multi-nozzle spraying can be adjusted at a spacing of 0-20mm, enabling compatibility with various length nozzles for spinning.

9

4 types of spinning nozzles

1. Ordinary single nozzle × 150 pieces;

2. Double tube and triple tube spinning nozzles × 1 each;

3. Coaxial spinning nozzle × 1;

★ 4. Janus dual-mouth spinning nozzle × 1;

10

Flow stabilization cover

★ Equipped with quartz glass flow stabilizing cover, direct spraying can confine the electric field at the needle tip, ensuring the jet flow is directed and does not drift. It is corrosion-resistant and can be cleaned and reused.

11

Safety precautions

1. Cavity temperature overheat protection; 2. Solvent discharge; 3. High-pressure overcurrent short circuit protection; 4. Grounding protection; 5. Key lock; 6. Explosion-proof tempered glass; 7. Emergency stop button for the equipment; 8. Short-circuit fuse; ★9. Automatic cavity fire extinguishing system; ★10. Inert gas connection;

12

Parameter of apparatus

Power supply voltage: 220V AC, maximum power: 900W, weight: 85Kg, size: 85×55×72cm.