Polyester spinning machine what are the advantages and precautions

    Polyester spinning machine spinning polyester filament spinning, stretching and deformation processes are carried out in each location. After the process of the former Road, the ingot processing, though the process can be adjusted after the procedure to improve or make up for some shortcomings, but some shortcomings not only can not make up, but also may be enlarged, such as the differences between the positions. Therefore, reducing the difference between the positions is the key to ensure the quality of the filament. With the development of spinning technology, polyester spinning machine production has the following production characteristics.

1 high production speed

  With the development of filament production technology, spinning speed is getting higher and higher, now most of them have reached about 3500m / min. Spinning speed, the process, equipment, operation and put forward higher requirements.

2 package capacity

  Winding wire bobbin net weight from 3 ~ 4kg increased to 15kg, deformed wire bobbin from 1 ~ 2kg increased to 5kg. After the package volume increases, new requirements are put forward on the winding mechanism, the uniformity of the quality of the bobbin, and the packing and transportation of the bobbin.

3 high quality raw materials

    Polyester raw material quality and the filament spinnability and product quality is very closely related. In addition to the required quality indicators sliced - intrinsic viscosity, softening point, diethylene glycol content, carboxyl content, ash and agglomeration particles qualified at the same time, the appearance of slices, with or without carbon black particles, the relative molecular mass distribution, water The rate of spinnability is also a great influence, especially the moisture content of the greater impact on high-speed spinning, the ancient section of the water required rate of not more than 30 ~ 50ppm. Requirements of quality of raw materials to achieve quality indicators, uniform, and the quality requirements between the batch and batch stability, consistent.

4 process control strictly

    Filament production requires very strict process parameters. For example, the melt temperature fluctuations up and down not more than ± 1 ℃, side hair wind speed difference of not more than 0.1m / s, spinnerets require shovel surface every day. On the public works (such as water, gas, steam, electricity) also have higher requirements.

5 requires the implementation of total quality management

    Filament production is a multi-spindle bit, multi-station assembly line operations, frequent operations, labor-intensive, good and bad management of the relationship between the quality of the filament is very close. In order to ensure product quality, we must implement total quality management and establish a quality assurance system.

6 requires good inspection, packaging, storage and transportation work

    In order to ensure the quality of the filament, each batch of raw materials need to be tested for its physical indexes. The winding bobbins should be inspected one by one for appearance defects, and the dyeing performance of the finished filament should be sampled or fully tested. Different specifications can not be mixed bags in the packaging process. In addition, attention to provoke warehousing and transportation work, storage is not exposed to the sun, stackers can not be too high, handling requirements of the release, transport to avoid bumps.