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Periodic inspection and maintenance
4
Periodic inspection
2.
Periodic inspection
The PHASER series robots use a linear motor and a linear guide with ball retainer, and
require little user maintenance. However, perform the following daily and periodic
inspections.
2.1 Daily inspection
The following inspections must be performed every day before and after operating the robot.
(1) Inspection to be performed with the controller power turned off
1) Turn off the controller power.
2) Place a sign indicating the robot is being inspected, to keep others from operating
the controller power.
3) Enter the safety enclosure and check the following points.
Check item
Description
Note
Cables and
connectors
Check for scratches, damages and
excessively tight bends.
Consult us if
damages or abnormal
conditions are found.
Shutter
Check scratches and dents. (Refer to
"3. Replacing the shutter".)
Motor
Check for unusual vibration and noise,
and for abnormal temperature rise.
Using the duty
monitor, check that
the duty ratio is less
than 100%.
(2) Inspection to be performed with the controller power turned on
1) Check that no one is inside the safety enclosure, and then turn on the controller
power.
2) Place a sign indicating that the robot is being adjusted or serviced in order to
keep any other person from operating the controller, programming box or Handy
Terminal, and the operation panel, etc.
3) Check the following points from outside the safety enclosure.
Check item
Description
Safety enclosure or fence
Check if the safety enclosure or fence is in place.
Check if emergency stop is triggered when the door is
opened.
Check if warning labels are affixed at the entrance.
Emergency stop device
Press the emergency stop button to check if it works.
Robot movement
Check for abnormal movement and excessive vibration
and noise. (Contact us if any abnormal operation is
found.)
Z-axis brake operation *1
Check if the brake works to stop the Z-axis from dropping
more than 3mm from the stationary point. (Contact us if
any abnormal operation is found.)
*1: Visually check the Z-axis movement from outside the safety enclosure by pressing
the emergency stop button and also by turning off the controller.
