... Speed0-35 m/minCaution for using YG-02A Printing Machine for Synthetic Leather1. The machine surface should be without watermarks, oil, dust ... 5. To adjust the wheel of stepless variable speed machine can fine-tune the tightness of printing when machine running, keep material ... chains, bearings, cylinder stroke, and change oil regularly in worm gear reducer to ensure its lubrication, running well.7. ...