It's about the cutter. Maybe the position of cutter is too low. Sometimes, if the cutter ring is not smooth enough, the same problem may occur. Besides, for better result, you should also ensure that the cutter is pressed to the right position and no indentation on the blade.
Cutting PE protective film is a highly required work. It's not simple as what you think. Things like cutting speed, tool bit and the heat generated during processing may affect the result. The solution is actually very simple. Come to our factory and take a look!
