Processing Machinery
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Uneven Cutting End Face of High-Density Polyethylene Pipes
Problem Phenomenon
After cutting, the pipe end face has burrs, is inclined, or is chipped.
An uneven cutting end face affects the pipe connection quality 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 the pipe is fully cooled before cutting
（4）Correct the cutting machine installation, with the cutter perpendicular to the pipe axis
（5）Ensure the pipe wall thickness is uniform
Key Takeaway
An uneven cutting end face is caused by tool wear or improper cutting parameters, and the tool needs to be maintained and the cutting process optimized.
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