Wire and cable extrusion burnt causes and elimination methods

Wire and cable in the production process of extrusion will inevitably burn the situation, but through the investigation of the wire and cable burning reasons, the following we will look at what are the reasons for the occurrence of this situation factors. 1. The temperature reflects the ultra-high, or the instrumentation to control the temperature fails, resulting in ultra-high temperatures and burnt plastic. 2. Smoke from the rubber outlet of the machine head is large, with a strong irritating odor, in addition to crackling sound. Granular burnt material appears on the surface of the plastic. Continuous air holes at the glue joints. The temperature control is too high, causing the plastic to burn. The screw has been used for a long time without cleaning, and the burnt material accumulates and is extruded with the plastic. The heating time is too long, the plastic accumulates for a long time, and the plastic deteriorates and burns. Parking time is too long, without cleaning the head and screw, resulting in plastic decomposition and burning. Repeatedly change the mold or color, resulting in plastic decomposition and burning. The press cover of the machine head is not pressed tightly, and the plastic is aging and decomposing in it. 2. After finding these reasons, it is necessary to carry out the elimination methods of burning. Regularly check whether the heating system is normal. Regularly clean the screw or head, to be thoroughly cleaned. According to the process requirements of heating, heating time should not be too long, if the heating system has a problem to find a timely solution to the relevant personnel. Change the mold or color should be timely and clean, to prevent the color or storage of rubber burnt. After adjusting the mold, the mold cover should be pressed tightly to prevent the glue from entering. If you find burnt, you should clean the head and screw immediately.

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