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18-06-08 PVD3668_GB_GVM_June_2018
Mounting recommendation step by step:
- The mounting surfaces of the interfaces should be free from bumps and scratches,
washed and lubricated with grease as detailed below before mounting.
- The coupling spline must be lubricated with a lithium molydisulfide grease, disulfide of
molybdenum or similar lubricant.
- The mating motor spline should be free to float and find its own center:
- Set up the equipment on the motor.
- Set up the equipment assembling screws, but do not tighten.
- Rotate the motor between 1000 and 1500 rpm and gradually tighten the screws.
- Torque the mounting screws of the equipment at the nominal torque.
3.4.3. Frame recommendation
Warning : The user has the entire responsibility to design and prepare the
support, the coupling device, shaft line alignment, and shaft line balancing.
Frame supporting the GVM must be even, sufficiently rigid and shall be dimensioned in order
to avoid vibrations due to resonances.
3.4.4. Pulley/belt
Warning : The GVM motors are not designed to operate with pulley / belt
systems.
By limiting the speed and/or using specific bearing assemblies, it can be
possible in some cases to use pulley / belt systems. It is mandatory to raise
a request with the factory before doing so.
3.5. Bearings
The bearings are greased for life.
The standard bearing life is calculated to reach 20.000h at maximum speed (GVM142 : 9800
rpm ; GVM210 : 8000rpm).
The bearings can support Shocks and Vibrations or Radial and Axial Load, it is actually not
possible to cumulate both on the calculation side. They are able to support shocks and
Vibrations level in accordance the value given page 9 (without axial or radial load) or to
support axial an radial load depending on the mounting position (without shocks and
vibrations) as you will find in the following chapter.
It is recommended to change it once the predicted lifetime is reached.
Please contact Parker in order to achieve this operation.
Other limitations can come from the winding or the drive
(cf: §3.1.4-Drive selection)
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