Excessive force during the cutting process crossed, not only cutting line becomes jagged knife round the edge and make the lack of collapse, greatly reducing the normal service life of cutter wheel

In the cutting process too hard, not only of the cutting lines crossed into jagged but will also make a knife blade to collapse in the round, which greatly reduces the normal life expectancy knife round

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Excessive force during the cutting process lines, not only cutting lines become jagged and will make the blade cutting wheels collapse lack greatly shortened the normal service life of cutting wheels

Scribe excessively hard in the course of cutting, not only make the line of cut turn into sawtooth configuration but also make the cutting edge of one one hundred sheets of wheels break out scarcely, greatly shorten the normal service life of one one hundred sheets of wheels