INFICON MPI-16 Crucible Indexer - Manual (Page 26)

MPI-16 & MPI-16H POCKET INDEXERS
3-8 Setup and Installation
3.5 Installation in Your System
After successfully configuring the MPI-16, it is ready for installation on your system.
WARNING
Lethal power resulting in electrical shocks may be present in your system. Make
sure your system power is removed and discharged before installing the MPI-16.
The MPI-16 assembly comes with a mounting bracket. This bracket mounts to a 1”
rotary feed-through, and can accommodate a base plate thickness of 1/2” to 1-1/8”. The
only extra component needed is a coupling to join the drive shaft to the rotary feed-
through. See Figure 3-6. We recommend a flexible coupling such as a HeliCal P/N
HCR-075-8 to minimize torque lost in misalignment of the shafts, if any.
Refer to Figure 3-5 for the MPI-16 dimensions. Note the drive shaft offset with regard to
the unit’s center. Observe the location of the DB25 I/O Port connector. Allow clearance
for it.
1. Manually rotate your crucible to position 1 (Home).
2. Loosen the four socket screws on each side of the bracket. You may have to
remove the two lower screws completely if your base plate is less then 1” thick.
Note: Use only the screws and washers (#8-32 x 1/4” long) supplied with
your MPI-16. Using screws longer than 1/4” long will damage the internal
circuitry.
3. Slide the flexible coupling over the drive shaft. Do not tighten.
4. Line up the 1” hole in the bracket with the 1” rotary feed-through. Secure the
bracket to the base plate using the washer and nut supplied with your rotary feed-
through.
5. Apply power to the MPI-16. It will start to rotate to find its ‘home’ position.
6. Once the MPI-16 has stopped at home, push the MPI-16 chassis up on the bracket
so that the drive shaft and feed-through shaft almost touch. Secure the MPI-16
housing to the bracket by tightening the socket screws on each side of the bracket.
7. Slide the flexible coupling up and over both shaft. Set the coupling so that it
covers an equal distance on both shafts. Make sure the crucible has not moved
and tighten the coupling.