
B–65162E/03
12. DETECTORS FOR THE SPINDLE
549
Detection ring dimensions
Detection ring A Detection ring B
φA φB C φD φE F G
Ring 1, 6 103.2
+
.
–0.020
82
+0.0
–0.018
10"0.1 103.2
+0.0
–0.020
82
+0.0
–0.018
8.6"0.1 6.7
Ring 2, 7 52
+
.
–0.020
40
+0.016
–0.0
10"0.1 52
+0.0
–0.020
40
+0.016
–0.0
8.6"0.1 6.7
Ring 3 205.6
+
.
–0.020
160
+0.020
–0.0
10"0.1 205.6
+0.0
–0.020
160
+0.020
–0.0
8.6"0.1 6.7
Ring 4 103.2
+0.0
–0.020
88
+0.0
–0.018
10"0.1 103.2
+0.0
–0.020
88
+0.0
–0.018
8.6"0.1 6.7
Ring 5 154.4
+0.0
–0.020
125
+0.025
–0.0
10"0.1 154.4
+0.0
–0.020
125
+0.025
–0.0
8.6"0.1 6.7
For the outside dimensions of the sensor, see Item (4) above.
NOTE
– Before mounting a ring on the spindle, press the ring into the sleeve.
– A ring can be reused only once.
– The outer tooth shape is special. So, ensure that the teeth are not deformed or chipped by an
external force.
– Check the output signal of the sensor. For output signal adjustment, refer to Part II of ”FANUC
Built–in AC Spindle Motor α Series Descriptions (B–65202EN).”
Maximum detection ring speed
Ring Ring 1 Ring 2 Ring 3 Ring 4 Ring 5 Ring 6 Ring 7
Sensor drawing No. T011 T012 T013 T014 T018 T081 T082
Number of teeth 256 teeth 128 teeth 512 teeth 256 teeth 384 teeth 256 teeth 128 teeth
Maximum speed (min
–1
) 15,000 20,000 10,000 15,000 15,000 30,000 50,000
NOTE
The allowance for shrink fitting depends on the maximum speed. For design, see Item (6).