The die on the production line is delivering material unevenly, resulting in inconsistent sheet thickness. How should this be addressed?
Category: Industry News
Release Date: 2020-04-16
Summary: ① Inspect the die flow channels: remove accumulated and charred material from the channels to ensure they are smooth and free of blockages; if the channels are worn, repair them promptly. ② Adjust the die lip gap: use the adjustment bolts on both sides of the die to make fine adjustments to the die lip gap, and verify with a feeler gauge that the gap deviation at all measurement points is ≤0.05 mm. ③ Optimize melt pressure: appropriately increase the extruder screw speed to raise the melt pressure, thereby achieving more uniform melt distribution within the die. ④ Inspect the feeding system: ensure the feeder speed is stable, with no interruptions or blockages in material supply, so as to guarantee uniform feed of raw materials into the extruder.
① Inspect the die flow channel: remove accumulated and charred material from the channel to ensure it is smooth and unobstructed; if the channel is worn, repair it promptly. ② Adjust the die lip gap: use the adjustment bolts on both sides of the die to make fine adjustments to the die lip gap, and verify with a feeler gauge that the gap deviation at all measurement points does not exceed 0.05 mm. ③ Optimize melt pressure: appropriately increase the extruder screw speed to raise the melt pressure, thereby achieving more uniform melt distribution within the die. ④ Inspect the feeding system: ensure the feeder speed is stable, with no interruptions or blockages in material supply, so that the raw material enters the extruder uniformly.
Keywords: The die on the production line is delivering material unevenly, resulting in inconsistent sheet thickness. How should this be addressed?
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