Protection From Oil And Water - Mitsubishi Electric MELSERVO-J3 Series Instruction Manual

2. DIRECT DRIVE MOTOR

2.3.5 Protection from oil and water

Provide adequate protection to prevent foreign matter, such as oil and water from entering the direct drive motor
rotor. When installing the direct drive motor, consider the items in this section.
(1) Do not use the direct drive motor with its cable soaked in oil or water.
(2) Provide measures so that the direct drive motor is not exposed to oil and water entering from the machine
side, rotating table, etc.
(3) If the direct drive motor is exposed to cutting fluid, etc., the sealant, packing, cable and others may be
affected depending on the fluid type.
(4) In the environment where the direct drive motor is exposed to oil mist, oil, water, grease and/or like, a
standard specification direct drive motor may not be usable. Provide measures to prevent dust and/or water
on the machine side.
Cover
Oil/water pool
Capillary phenomenon
Rotating table etc.
Lubricating oil
Direct drive motor
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Direct drive motor