Processing Machinery
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Random copolymer polypropylene pipe special material (Nordic standard） pipe cut end face uneven（Variant: Strengthened Measures）
Problem Phenomenon
After cutting, the pipe end face has burrs, is tilted or chipped.
An uneven cut end face affects pipe connection quality and may cause leakage in welding and socket connections.In particular, extra attention is needed on top of the original basis, this problem is more prominent and requires key attention.
Cause Analysis
（1）The cutting tool is worn or the cutting edge is not sharp\
（2）Cutting speed too fast or cutting pressure too large\
（3）Pipe temperature too high, deforming during cutting\
（4）The cutting machine is improperly installed, the cutter is not perpendicular to the pipe\
（5）Pipe wall thickness uneven, cutting force uneven\
（6）On top of the original basis, extra attention is needed: process parameter fluctuations or equipment status changes aggravate this problem
Solution
（1）Replace or sharpen the cutting tool\
（2）Adjust the cutting speed and pressure, ensure smooth cutting\
（3）Ensure the pipe is fully cooled before cutting\
（4）Correct the cutting machine installation, the cutter perpendicular to the pipe axis\
（5）Ensure uniform pipe wall thickness\
（6）And strengthen process monitoring; on top of the original basis, extra attention is needed, paying special attention to parameter stability
Key Takeaway
Uneven cut end faces are caused by tool wear or improper cutting parameters, requiring tool maintenance and cutting process optimization.Targeted preventive measures need to be taken in different production scenarios.
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