Section 05: Automatic Tool Changers - FadalCNC.com

FadalMaintenance Manual3) Begin a new one second timer to rotate Turret.a. Enable 1330/K4 to CLOSE 3-Phase Contactor.b. Turret motor rotates and TOOL COUNT sensor mounted below TurretMotor reports that Turret is away from home position, and TOOL COUNTLED goes out. LED’s yellow “Contactor”, green “Stopping Sensor” and“Arm at Home” are lit, TOOL COUNT is unlit.c. If TOOL COUNT sensor is CLOSED again, then Turret has arrived at newtool, stop the timer. Proceed to step 4.d. If timer times out, Turret Motor could not rotate, then get message#15—AMBIGUOUS TURRET POSITION. Halt system.4) Repeat step 3, as Turret Motor rotates, 1330 counts impulses from TOOLCOUNT sensor, until correct Tool is in position.5) When correct Tool is in position, and TOOL COUNT sensor is CLOSED,disable 1330/K4 to open Contactor and stop Turret Motor.6) Initiate Tool Change -- M67) Spindle OFF (M5). Orient Spindle (M19). Check for Orient Switch feedback.a. If feedback received from Spindle Orientation Hall Effect switch, thenSpindle is Oriented, STOP Spindle. K7 and K9, K3 and K4 OFF.8) Control sends signal to 1330 card to begin Tool Change Cycle. 1330 cardsends “Busy” signal to control.9) Begin a new one second timer to initiate “Bucket DOWN” cycle.a. Enable 1330/K2 to power Air Valve to move Bucket DOWN.b. If Air Cylinder bottom reed switch is OPEN and the top reed switch isCLOSED, then stop the timer. LED’s green “Tool Down” and yellow“Tool Down” are lit. Proceed to 10.c. If timer times out, the Bucket did not move down, and if bottom reedswitch is CLOSED and top reed switch is OPEN, then get message #6—ATC BUCKET DOWN SOLENOID/SENSOR FAILURE. Halt system.d. Or, if timer times out, the Bucket did not move down, and if top reedswitch is OPEN and bottom reed switch is OPEN, then get message#14—AMBIGUOUS BUCKET POSITION. Halt system.10) Begin a new one second timer for “Arm to Spindle” cycle, and activateTriacs for Arm Motor to move.a. Enable 1330/K4 relay to CLOSE 3-phase contactor.March 2003 Section 05: Automatic Tool Changers 179