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Continuous Melt Spinning Machine For Lab Use

AT225 Continuous Melt Spinning Machine is a main key equipment in synthetic fibre production. This machine uses high temperature ceramic to heat and melt the polymer sample, and extrude the sample to be liquid trickle from a spinneret under the effect of inert gas pressure, then nascent fibers form under the effect of air cooling. It is specially designed for small batch production test to simulate the field production.
  • AT226

  • Anytester

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Product Description

AT225 Continuous Melt Spinning Machine is a main key equipment in synthetic fibre production. This machine uses high temperature ceramic to heat and melt the polymer sample, and extrude the sample to be liquid trickle from a spinneret under the effect of inert gas pressure, then nascent fibers form under the effect of air cooling. It is specially designed for small batch production test to simulate the field production.

AT226 Lab Scale Continuous Melt Spinning Machine


Features

Melt spinning part

It consists of extruding part, extrusion measuring head, melt pump, spinning system and cross air blow device.

1. Extruding part

With 3 sections of electric heating, adopts heating rod heating and copper bush soaking; Individual temperature control of these 3 heating sections, temperature range: RT~320. There is a cooling coiler at the discharge port to make the temperature control more quickly.

2. Extrusion measuring head

With a individual pressure sensor and temperature sensor, can real-time monitor the pressure and temperature.

3. Melt pump

It is made of high temperature resistant tool steel, heating power: 3kw, liquid viscosity: 40000Pas, liquid temperature: 400, pump cleaning temperature: 450, input pressure: 12MPa max., max. Pressure difference: 25Mpa, flow of melt pump: 2.4cc/rev, real-time collect pressure and temperature data and display on the control panel. Pressure and temperature sensor are installed in the internal of melt pump.

4. Spinning system

It adopts crystal fiber furnace heating, the max. Power is 3kw, temperature range is RT~320.

The biggest single loading quantity is 3L.

With 3 sections of electric heating.

5. Cross air blow device

Size: 150×150mm, water-cooled fan blowing, small air flow disturbance, excellent cooling uniformity.

Oiling & winding part

1. Rotary oiling device

Roller material: PA6, with adjustable opening and closing design, convenient to start and stop at any time.

2. Hot roller

Temperature range: 70~200, roller dia.: 125mm, roller length: 125mm, speed range: 100~500m/min;

With polishing and chroming surface treatment, high hardness, excellent wear resistance.

It adopts electric induction heating mode, clean and environment protection, low maintenance cost.

Each set with frequency conversion motor, the speed can be individually adjusted.

Measuring control part

1. Data monitor

With programmable temperature controller, PID automatic temperature control, 3 sections of temperature control.

PC remote control, interface display: extruding speed, hot roller speed, melt pump speed, temperature and other necessary alarm and signal.

2. Over-limit alarm

A, Over load alarm

B, Over temperature alarm

C, Extruding pressure over limit alarm

D, rotary speed of melt pump abnormal alarm


Technical Specification


Model

AT225

Melt spinning device

Heating power of extruding   screw

3kw

Screw dia.

25mm

Temperature range

RT~320

Temperature accuracy

±0.5

Pressure sensor accuracy

0.1N

Melt pump max. Temperature

400

 Flow of melt pump

2.4cc/rev

Spinneret plate

24 holes, hole dia.: 0.1mm

Outer diameter: 90mm

Material: 316L stainless steel

Max. Power of crystal   fiber furnace

3kw

Max. Heating temperature   of furnace

320

Cross air blow device

150×150mm

Winding system

Speed range of oil roller

300~1000m/min

Hot roller temperature   range

70~200

Hot roller dia.

125mm

Hot roller length

125mm

Winding head speed range

300~1000m/min

Max.winding dia.

320mm

Drive system

Drive motor of melt pump

320w

Drive motor of extruding screw

2.2kw

Drive motor of hot roller

450w

Drive motor of oiling system

450w

Temperature control

Temperature control accuracy

±0.5

Melt pressure sensor accuracy

0.1N

Material of gas line

304 stainless steel

Power supply

AC220V, 50Hz


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