YASKAWA SGDV User Manual

Also see for SGDV: User manual User manual User manual

Contents

YASKAWA SGDV User Manual Manual pdf 29 page image

2 Installation2.2.5 Other Precautions2-82.2.5 Other Precautions Handling Oil and WaterIf the servomotor is used in a location that is subject to water or oil mist, use a servo-motor with an oil seal to seal the through shaft section. Precautions on using a servo-motor with an oil seal are described below.• Put the oil surface under the oil seal lip.• Use an oil seal in favorably lubricated condition.• When using a servomotor with its shaft upward direction, be sure that oil will notstay in the oil seal lips. Cable StressMake sure there are no bends or tension on the motor main circuit cables and encodercables.Be especially careful to wire encoder cables so that they are not subject to stressbecause the core wires are very thin at only 0.2 or 0.3 mm2. ConnectorsObserve the following precautions:• Make sure there is no foreign matters such as dust and metal chips in the connectorbefore connecting.• When the connectors are connected to the motor, be sure to connect the end ofmotor main circuit cables before connecting the encoder cable’s end.If the encoder cable’s end is connected, the encoder may break because of the volt-age differences between FG.• Make sure of the pin arrangement.• Do not apply shock to resin connectors. Otherwise, they may be damaged.• When handling a servomotor with its cables connected, hold the servomotor or theconnectors and cables will be damaged.• Fix the connector to SGMJV, SGMAV, SGMPS-01/-02/-04 or SGMGV-03/-05servomotors with screws. Make sure that the connector is securely fixed withscrews.If not, the protective construction specifications may not be satisfied.• Be sure not to apply stress on the connector. The connector may be damaged bystress. Radial and Thrust loadsDesign the mechanical system so thrust and radial loads applied to the servomotorshaft end during operation fall within the allowable ranges of each motor. Refer toΣ-V Series Product Catalog (KAEP S800000 42) for the allowable ranges.