1. Check that the temperature self-control is intact and the heating appliances are intact. Pay attention to adjust the heating temperature of each point in time within the target range.
2. Check traction speed and control film thickness.
3. Observe and adjust the thickness of the film uniformly, and the folding diameter meets the standard.
4. Check the pressure of the air storage cylinder. It should not be too high, but there should be a backup pressure.
5. Check and control the proportion of raw materials and mix well.
6. Check that the raw materials are free of impurities, especially the iron should be checked in time with a magnet.
7. Check the lubrication of the gearbox and air compressor cylinder.
8. Regularly check the temperature rise and mechanical transmission of each running motor.
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