Rockwell Automation 8520-MUM 9/Series CNC Mill Operation and Programming Manual Documentation Set - Manual (Page 447)

Spindles
Chapter 17
17-11
the example below shows what will happen when:
no overlap occurs between the controlling and follower
spindles’gear ranges
the controlling spindle has a higher gear range than the
follower spindle
the controlling spindle has a lower gear range than the
follower spindle
Example 17.1
Valid Gear Ranges for Synchronized Spindles
Controlling Spindle
Gear Range
(RPM)
Follower Spindle
Gear Range
(RPM)
Requested
Spindle Speed
(RPM)
Valid Programmed
Spindle Speeds
(RPM)
Spindles will
Synchronize at
(RPM):
1000 to 3000 100 to 300 1500 None N/A
1000 to 3000 800 to 1500 1800 1000 to 1500 1500
1000 to 3000 1800 to 3200 1500 1800 to 3000 1800
END OF CHAPTER