Trimming electric machines replaced 90-degree segment, adjust depth, cutting along the feed line, the top of the foil and foam was cut off, a 90-degree V-groove, and not cut off the bottom of the aluminum foil.

• 电动修边机换上90度刀头,调整好深度,沿下料线切割,泡沫和上层的铝箔被切掉,形成90度V型槽，而底层的铝箔未被切断。