Why the PE film can not be cut off by sealing cutter after changing the new sealing bar?

1)Please make sure the the new silicone bar is used with new sealing cutter

2)The principle of cutting is “pressure”,  not the “sharpness” of the cutter. We suggest you to adjust the position of sealing cutter by regulating all screws (in below red), to make sure the cutter is in the horizontal plane, so that the cutter is with uniform force.

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