Rolling coating machine rolling coating common problems and solutions
First, the surface grain of the plate is very thick
1, the paint is too thick and thick: the temperature of the environment is too low, the temperature of the paint heating barrel should be between 35° and 50°, and the paint should be diluted.
2, the gap between the coating wheel and the steel wheel is too large: the gap between the steel wheel and the coating wheel is tightened, but not too tight.
3, the coating wheel is damaged or scratched: repair or replace the coating wheel.
4, the speed of the steel wheel is too fast: adjust the button on the control panel to reduce the speed of the steel wheel.
Second, the surface of the plate has transverse stripes
1, the primer sander is not working properly, the previous process is not smooth sander: adjust or repair the sander.
2, the conveyor belt is too loose or the joint is uneven: adjust the conveyor belt or replace the conveyor belt.
3, the conveyor belt under the roller installation is not smooth: replace the bearing, reinstall the roller.
4, the coating wheel pressure is too tight: shake the lifting handle, appropriately raise the coating wheel.
Third, the plate surface coating is not uniform
1. Uneven surface parts or uneven thickness: adjust the moisture content of the plate or re-select the plate.
2, the gap between the steel rod and the coating roller is inconsistent: adjust the gap between the steel rod and the coating roller.
3, the paint between the steel rod and the coating roller is too little: open the oil pump switch larger.
4, the pressure between the plate and the coating roller is too small: appropriately reduce the height of the coating roller.
Four, the front end of the board pile paint
1, the coating wheel speed is too slow: adjust the coating wheel speed.
2, the transmission speed is too fast: slow down the transmission speed.
Five, the back end of the board pile paint
1, coating wheel speed too fast: slow down the coating wheel speed.
2, the transmission speed is too fast: slow down the transmission speed.
Six, both ends of the board white
1, the plate deformation is serious: adjust the water content of the plate.
2, uneven thickness of the plate: check and screen the plate.
Seven, the motor does not rotate
1, whether to press the start button: check whether to press the button.
2, whether the frequency converter working procedure is abnormal: check the manual of the frequency converter, find out the fault and solve it.
3, whether the contactor in the control box is damaged: check the electric control box.
Eight, the power indicator is off
1. Whether the power cable is off: Check the power cable.
2. Whether the switch in the control box has been turned on