Processing Machinery
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Uneven cutting end face of general-purpose polyethylene pipes
Problem Phenomenon
After the pipe is cut, the end face has burrs, inclination, or chipping.
Uneven cutting end face affects the connection quality of the pipe, and may cause leakage in welding and socket connections.
Cause Analysis
（1）The cutting tool is worn or the cutting edge is not sharp
（2）The cutting speed is too fast or the cutting pressure is too large
（3）The pipe temperature is too high, and it deforms during cutting
（4）The cutting machine is installed incorrectly, and the cutter is not perpendicular to the pipe
（5）The pipe wall thickness is uneven, and the cutting force is uneven
Solution
（1）Replace or sharpen the cutting tool
（2）Adjust the cutting speed and pressure to ensure smooth cutting
（3）Ensure that the pipe is fully cooled before cutting
（4）Correct the installation of the cutting machine, with the cutter perpendicular to the pipe axis
（5）Ensure that the pipe wall thickness is uniform
Key Takeaway
Uneven cutting end face is caused by tool wear or improper cutting parameters, and the tools need to be maintained and the cutting process optimized.
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