4. Various precautions
Observe the following precautions. Incorrect handling of the unit could lead to faults, injuries and
electric shocks, etc.
(1) Transportation and installation
CAUTION
Correctly transport the product according to its weight.
Do not stack the spindle motor or spindle amplifiers above the tolerable number.
Do not hold the cables, axis or detector when transporting the spindle motor.
Do not hold the front cover when transporting the spindle amplifier. The unit could drop.
Follow the Instruction Manual and install the unit in a place where the weight can be borne.
Do not get on top of or place heavy objects on the product.
Always observe the installation direction.
Secure the specified space between the spindle amplifier and inside wall of the control panel, and
between other devices.
Do not install or operate a spindle amplifier or spindle motor that is damaged or missing parts.
Do not let conductive objects such as screws or metal chips, etc., or combustible materials such as
oil enter the spindle amplifier or spindle motor.
The spindle amplifier and spindle motor are precision devices, so do not drop them or apply strong
impacts to them.
Store and use the units under the following environment conditions.
Securely fix the spindle motor to the machine. The spindle motor could come off during operation if
insecurely fixed.
Always install a cover, etc., over the shaft so that the rotary sections of the spindle motor cannot be
touched during spindle motor rotation.
When using a coupling connection to the spindle motor shaft, do not apply an impact by hammering,
etc. The detector could be damaged.
Do not apply a load exceeding the tolerable load onto the spindle motor shaft. The shaft could be
damaged.
Before using this product after a long period of storage, please contact the Mitsubishi Service
Station or Service Center.
Conditions
Environment
Spindle amplifier Spindle
motor
Ambient temperature
0°C to +55°C (with no freezing)
0°C to +40°C (with no freezing)
Ambient humidity
90% RH or less
(with no dew condensation)
80%RH or less
(with no dew condensation)
Storage temperature
–20°C to +65°C (with no freezing)
–15°C to +70°C (with no freezing)
Storage humidity
90%RH or less (with no dew condensation)
Atmosphere
Indoors (Where unit is not subject to direct sunlight)
With no corrosive gas, combustible gas, oil mist or dust
Altitude
1000m or less above sea level
Vibration 5.9
m/s
2
(0.6G) or less
SJ-P, SJ-PF
14.7 m/s
2
(1.5G) or less
