Open-book leveling line open-book head can't open up or contract to solve

Open-book leveling line open-book head can't open up or contraction of solution: 1, open-book leveling line laser roadblocks when tight electromagnetic valve output circuitry, electromagnet can't normal movement. Solution, check the output of the solenoid valve action insurance to check the circuit diagram for burning, such as replacement are given. 2, open-book leveling line open-book head up device of oil pressure is too small, wear tensioning mechanism, causes the tension piece is loose. Reason to change once a year 68 # oil, laser from jiangsu long nc machine tool co. , LTD. , and maintain laser oil viscosity, in addition to regular uncoiling head for lubrication and maintenance. This article reprinted from laser cutting machine