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 flip-up door can be adjusted;

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

2

Built-in positive and negative high-voltage power supply

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

2. Built-in negative high-voltage connection for the collector, range: 0 - -30KV, touchscreen continuous adjustment, accuracy 0.01KV;

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

★4. Positive and negative polarities can be switched, output power < 30W, current < 1mA;

3

Micro-propulsion system

★ 1. Dual-pump four-channel pump: Dual pumps × two slots, independent setting parameters for flow rate, suitable for coaxial spinning, same-nozzle spinning, and 4-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 resistant to high pressure;

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

Spinning machine × 5

★ 1. One set of vertical drum wire collection device: driven by servo motor, with rotational speed ranging from 0.01 to 6000.00 rpm (diameter ≥ 89 mm, length ≥ 200 mm), with an accuracy of 0.01 rpm. It is equipped with release film, corrosion-resistant, easy to clean, convenient for film removal, and can withstand a high voltage of 0 to ±30 kilovolts.

★ 2. One set of flat collector: made of mirror-finish stainless steel, with a size of ≥ 20 cm × 20 cm. It is equipped with release film, corrosion-resistant, easy to clean, easy to remove the film, and can withstand a high voltage of 0 to ±30 kilovolts.

3. Rotating cage wire collection device, with a diameter of 100 mm and a length of 200 mm, 12 parallel electrodes, rotational speed ranging from 0.01 to 6000.00 rpm, with an accuracy of 0.01 rpm.

4. Double disc wire collection device, with a diameter of 100 mm and a spacing of 0 - 180 mm that can be adjusted, rotational speed ranging from 0.01 to 6000.00 rpm, with an accuracy of 0.01 rpm.

5. Fine shaft wire collection device, with 6 different diameters ranging from 1 to 6 mm, rotational speed ranging from 0.01 to 6000 RPM, with an accuracy of 0.01 RPM;

7

Five-axis motion platform

1. The Y-axis of the injection pump can move automatically within the range of 0-20 cm, with a speed of 0.1-40.0 mm/second and a precision of 0.1 mm/second. It can automatically find the zero point.

2. The X-axis of the injection pump can be automatically adjusted within the range of 5-20 cm, with a speed of 1-10 mm/second.

3. The Z-axis of the injection pump can be manually adjusted in height within the range of 0-12 cm, and the height is self-locking with scale markings.

★4. The R-axis of the injection pump's direct spray nozzle angle can be manually adjusted and locked at any angle ranging from 0 to 90 degrees.

★5. The Y-axis of the roller collector can be freely adjusted in 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 suspension bracket that can be folded and hidden;

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

★ 3. The nozzle bracket is compatible with three-jet, five-jet, and seven-jet components, providing three types of jet assemblies, facilitating and enhancing the efficiency of spinning;

4. The nozzle is connected by a spring clip, making experiments more convenient and simple;

★ 5. The electrode plates of the jet assembly of the nozzle can be adjusted with a spacing of 0-20mm, enabling it to be compatible with various length needles for spinning;

9

Spinning nozzles × 4

1. Ordinary single nozzle × 150 pieces;  

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

3. Coaxial spinning nozzle × 1;  

★ 4. Janus twin-nozzle 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. Equipment emergency stop button; 8. Short-circuit fuse; ★9. Cavity automatic fire extinguishing system; 10. Inert gas connection;

12

parameter of apparatus

Power supply voltage: 220V AC, maximum power: 1000W, weight: 115Kg, size: 105×65×86cm.