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07 29, 2021

Accelerated drying of plastics with new technology

Accelerated drying of plastics with new technology

The distributed plastic granules on the market are usually lenticular or cylindrical shape, what in most cases must be dried before processing, since they take up moisture from the environment. The not adequate drying effects the structure and characteristics of the material, therefore the processibility and the quality of end-product.

07 21, 2021

The effect of the switchover on the cavity pressure

The effect of the switchover on the cavity pressure

Switchover is the most important moment in the injection moulding of the product. A difference of few hundredths of a second is able to change the built-up pressure value in cavity by several hundred bar, which greatly effects the quality of the manufactured products.

07 14, 2021

Analysis of the injection moulding of thick-walled product - Part 2

Analysis of the injection moulding of thick-walled product - Part 2

One of the corner stone of the continuous production of the right quality product is the correctly set injection moulding technology. Of course, the machine setting means not only the parameters of the injection cycle, but the correct preparation and drying of the raw material, the tempering of the mould and other settings. It makes difficult the reproducibility of production when we work with multi cavity mould due the different filling of the cavities. To test the reproducibility and stability of the technology we can use the monitoring tools of the injection moulding machine.