Talking about the Spraying Parameters and Fault Analysis of FANUC P-500 Robot
1. Introduction of FANUC P-500 robot
The P-500 spray robot provides a mechanical device that can be moved around a variety of bodies or parts with the VersaBell II nebulizer to achieve a protective film.
The P-500 spray robot is equipped with a color changer, 1K pump, solvent air module, regulator valve and pump on the arm. The solenoid valve and proportional valve that control the function of the atomizer are located in the casting directly below the two axes, that is, in the process control cabinet. The advantages of placing these devices here and close to the cup-type atomizer are: 1) reducing paint waste by shortening the paint line; 2) positive and fast trigger response; 3) faster response and Better flow control.
2. Important spraying parameters of FANUC P-500 robot
1) D/Q Shaping Air Control Module D/Q Forming Air Control Module
The D/Q module is an electromechanical closed-loop control device that is used to control the molding air flow and pressure. The D/Q module used in the P-500 system ranges from 0 to 500 L/min. The greater the molding air pressure, the larger the fan surface, and the pressure of the forming air in the Lingang paint shop is generally set at 350~400Pa.
2) Turbine Speed ​​Control Turbine Speed ​​Control
The air that rotates the VersaBell cup is turbine driven and is closed loop controlled. Fanuc's turbine speed ranges from 0 to 60 kr/min.
3) High voltage amplifier (spray robot features)
The high voltage unit provides a low voltage, low current command signal to the high voltage gate amplifier located in the robot arm. The high voltage grid converts the command signal into a voltage of 10 to 90 kV and a current of 100 to 200 μA to charge the paint sprayed by the atomizer.
Static electricity is used to increase the transfer efficiency of the painting process. Simply put, more atomized paint can reach the workpiece. Static electricity can also increase the density of the film formed on the work surface.
The power supply provides continuous monitoring of current and voltage. Current and voltage limits are pre-adjustable. If these limits are exceeded, an alarm will occur on the power supply and the static voltage will be turned off.
4) Only the correct setting of flow, molding air, turbine speed and high pressure can spray the most beautiful body with the least amount of paint.
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