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SAFETY PRECAUTIONS
The machine is equipped with safety devices which serve to protect personnel and the machine itself from
hazards arising from unforeseen accidents. However, operators must not rely exclusively on these safety
devices: they must also become fully familiar with the safety guidelines presented below to ensure accident-
free operation.
This instruction manual and the warning signs attached to the machine cover only those hazards which
Okuma can predict. Be aware that they do not cover all possible hazards.
1.
Precautions Relating to Installation
(1) Please be noted about a primary power supply as follows.
•
Do not draw the primary power supply from a distribution panel that also supplies a major
noise source (for example, an electric welder or electric discharge machine) since this
could cause malfunction of the CNC unit.
•
If possible, connect the machine to a ground not used by any other equipment. If there is
no choice but to use a common ground, the other equipment must not generate a large
amount of noise (such as an electric welder or electric discharge machine).
(2) Installation Environment
Observe the following points when installing the control enclosure.
•
Make sure that the CNC unit will not be subject to direct sunlight.
•
Make sure that the control enclosure will not be splashed with chips, water, or oil.
•
Make sure that the control enclosure and operation panel are not subject to excessive
vibrations or shock.
•
The permissible ambient temperature range for the control enclosure is 5 to 40°C.
•
The permissible ambient humidity range for the control enclosure is relative humidity 50%
or less at 40°C (no condensation).
•
The maximum altitude at which the control enclosure can be used is 1000 m (3281ft.).
2.
Points to Check before Turning on the Power
(1) Close all the doors of the control enclosure and operation panel to prevent the entry of water,
chips, and dust.
(2) Make absolutely sure that there is nobody near the moving parts of the machine, and that there
are no obstacles around the machine, before starting machine operation.
(3) When turning on the power, turn on the main power disconnect switch first, then the CONTROL
ON switch on the operation panel.
5238-E P-(i)
SAFETY PRECAUTIONS
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