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6. Installation
6 - 4
6-1-5 Oil and waterproofing measures
Oil or water
Servomotor
(1
) A format based on IEC Standards (IP types) is used as the motor
protective format. However, these Standards are short-term performance
specifications. They do not guarantee continuous environmental
protection characteristics. Measures such as covers, etc., must be
provided if there is any possibility that oil or water will fall on the motor, or
the motor will be constantly wet and permeated by water. Note that the
motor’s IP-type is not indicated as corrosion-resistant.
(2) When a gear box is installed on the servomotor, make sure that the oil level height from the center of
the shaft is higher than the values given below. Open a breathing hole on the gear box so that the
inner pressure does not rise.
Servomotor Oil level (mm)
HF75, HF105
15
HF54, HF104, HF154, HF224,
HF123, HF223, HF142
22.5
HF204, HF354, HF303, HF302
30
Servomotor
Gear
Lip
Oil level
V-ring
Oil seal
(3) When installing the servomotor horizontally, set the power cable and detector cable to face downward.
When installing vertically or with an inclination, provide a cable trap.
Cable trap
When installed horizontally When installed vertically
CAUTION
1. The servomotors, including those having IP67 specifications, do not have a
completely waterproof (oil-proof) structure. Do not allow oil or water to
constantly contact the motor, enter the motor, or accumulate on the motor. Oil
can also enter the motor through cutting chip accumulation, so be careful of
this also.
2. When the motor is installed facing upwards, take measures on the machine
side so that gear oil, etc., does not flow onto the motor shaft.
3. Do not remove the detector from the motor. (The detector installation screw is
treated for sealing.)