TENGDA Is a Professional Plastic Extruder Machine Manufacturers in China.

Matters needing attention in twin-screw extruder

by:TENGDA     2023-01-23
​ The performance of the twin-screw extruder is stable and reliable. When using the machine, the length of the drawer into the water can be flexibly controlled to ensure that it does not stick after cutting. This unit is used to process waste plastics through crushing-plasticizing, stripping-cutting and other processes. Its mechanical properties are stable and reliable, with a capacity of 100-130 kg per hour. In addition, TENGDA also has plastic machinery products such as plastic granulator, waste plastic granulator, recycled plastic granulator, plastic granulator, plastic granulator, plastic granulator, etc. So, what should we pay attention to when using the twin-screw extruder?

1. Correctly install the motors and their circuits. The motor adopts three-phase 380V heating plate and adopts 220V current.

2. Check whether the screws are loose and whether the rotation of each spindle is flexible.

3. Do a good job of grounding protection outside the body.

4. Check whether the rotation of each spindle of the twin-screw extruder is correct.

5. The heating sheet is powered and preheated until the shell of the barrel body melts the foam, and it must be noted that the raw materials in the upper and lower barrels must be completely melted before each twin-screw extruder is started, so that it is flexible to rotate the big wheel. Because the remaining raw materials in the machine head melt, it is recommended to use a blowtorch to strengthen the preheating of the upper and lower machine heads.

6. Flexibly control the length of the drawer into the water, depending on the temperature and water temperature, cool the drawer through water for about 1.1-1.7M, so that the drawer is not brittle and does not stick after cutting.

7. Observe the color and shape of the discharge material, and flexibly grasp the power supply and stop conditions of each heating chip.

8. If there are many impurities such as ash and soil in the raw material, 60-80 mesh, 1-3 layers of screens can be added before the sieve to ensure the color and purity of the particles.

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