104
TRAK Machine Tools
Southwestern Industries, Inc.
TRAK TMC Mills with ProtoTRAK RMX CNC Safety, Installation, Maintenance, Service & Parts List
6.6.1
Servomotor Replacement Service Codes
Perform the following service codes after a motor is replaced:
•
Service Code 505
- Check that the value for A Index Angle must be more than 20° in either
direction, from 0°. If <20°, chuck will need to be removed, adapter plate will need to be
removed, rotated 180° about spindle center, and remounted. Concentricity of adapter plate and
chuck will need to be checked during reassembly.
•
Service Code 506
- Reset 4
th
axis, Y and Z offsets. See section 6.4.5 for additional information.
6.6.2
Chuck and Adapter Plate Removal and Replacement
The chuck that comes with the 4
th
axis unit fastens to an adapter plate, which in turn fastens to the
spindle face of the unit. The chuck is held on to the adapter plate with (3) screws and the adapter plate
is held on to the spindle face with (6) bolts. See figure 6.6.2
Figure 6.6.2
–
Chuck and Adapter Plate
1.
Remove the (3) screws that hold the chuck to the adapter plate.
2.
Remove the (6) screws that hold the adapter plate to the spindle face.
3.
Re-install the adapter plate and snug up the (6) screws that hold it to the spindle face.
4.
Use an indicator to check the runout between the adapter and 4
th
axis unit. Tap the adapter plate
until the runout is less than .0008
”
. Try to get it as close as you can to zero.
5.
Tighten the screws holding the adapter plate.
6.
Install the chuck with (3) screws.
7.
Use an indicator to check the runout between the chuck and 4
th
axis unit. Tap the chuck until the
runout is less than .0008
”
. Try to get it as close as you can to zero.
8.
Tighten the (3) screws holding the chuck.
