Processing Machinery
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Uneven cutting end face of linear low-density polyethylene pipes
Problem Phenomenon
The pipe end face has burrs, inclination or chipping after cutting.
Uneven cutting end faces affect 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) Cutting speed is too fast or cutting pressure is too large
(3) Pipe temperature is too high, causing deformation during cutting
(4) The cutting machine is installed incorrectly, and the cutter is not perpendicular to the pipe
(5) Pipe wall thickness is uneven, causing uneven cutting force
Solution
(1) Replace or sharpen the cutting tool
(2) Adjust 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 uniform pipe wall thickness
Key Takeaway
Uneven cutting end faces are caused by tool wear or improper cutting parameters; tools need to be maintained and the cutting process optimized.
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