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