Yamaha NXY, User Manual, Page: 11 / 56

1-5
Chapter
1
USING THE ROBOT SAFEL
Y
(9) Pay attention to interference of Z-axis with peripheral devices (for ZAS)
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WARNING
IF THE Z-AXIS INTERFERES WITH A PERIPHERAL DEVICE AND STOPS, THERE IS A RISK OF
PINCHING HANDS, ETC., WHEN THE INTERFERING OBJECT IS REMOVED AS THE Z-AXIS
WILL SUDDENLY MOVE.
• TURN THE CONTROLLER POWER OFF AND STOP THE AIR SUPPLY BEFORE REMOVING
THE INTERFERING OBJECT.
• THE Z-AXIS WILL NATURALLY DROP, SO PROP IT UP WITH A SUPPORT STAND, ETC.,
BEFORE STOPPING THE AIR SUPPLY.
(10) Z-axis movement when air supply is stopped
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WARNING
THE Z-AXIS WILL DROP WHEN THE AIR SUPPLY IS STOPPED, CREATING A HAZARDOUS
SITUATION. PROP UP THE Z-AXIS WITH A SUPPORT STAND, ETC., BEFORE TURNING THE
CONTROLLER POWER OFF AND STOPPING THE AIR SUPPLY.
(11) Use caution when disassembling and replacing the pneumatic devices
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WARNING
IF THE PNEUMATIC DEVICES ARE DISASSEMBLED OR REPLACED WHILE THE AIR IS
SUPPLIED, THE PARTS OR AIR COULD SCATTER.
• TURN THE CONTROLLER POWER OFF, STOP THE AIR SUPPLY AND RELEASE ALL
RESIDUAL PRESSURE FROM THE PNEUMATIC DEVICES BEFORE STARTING WORK.
• THE Z-AXIS WILL NATURALLY DROP, SO PROP IT UP WITH A SUPPORT STAND, ETC.,
BEFORE STOPPING THE AIR SUPPLY.
(12) Use caution when disassembling and replacing the motor
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WARNING
WHEN DISASSEMBLING OR ASSEMBLING THE MOTOR FOR A BALL-SCREW DRIVE TYPE
ROBOT, A STRONG MAGNETIC ATTRACTION FORCE WILL BE PRESENT BETWEEN THE
MOTOR STATOR (FIXED COIL) AND ROTOR (ROTATING MAGNET), CAUSING A RISK
OF PINCHING HANDS, ETC. A YAMAHA-TRAINED OPERATOR MUST CARRY OUT THIS
WORK USING THE YAMAHA-RECOMMENDED JIGS.
(13) Use caution when removing the Z-axis brake
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WARNING
THE Z-AXIS WILL NATURALLY DROP WHEN THE BRAKE IS REMOVED, CAUSING A
HAZARDOUS SITUATION.
• PROP UP THE Z-AXIS WITH A SUPPORT STAND, ETC., BEFORE TURNING THE CONTROL
POWER OFF AND REMOVING THE BRAKE.
• BE CAREFUL NOT TO LET YOUR BODY GET CAUGHT BETWEEN THE Z-AXIS DRIVE
SECTION AND Z-AXIS INSTALLATION BASE, ETC.
2. Essential Caution Items