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Overview
Features
Typical Applications
Specifications
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Overview
The Alpha Series is an all-in-one indexing drive package complete with a cost-effective shaft-mounted gearmotor on a low-profile housing. After reviewing the design, this indexing drive has been made more user-friendly by building on the roller gear cam mechanism found in all of our SANDEX products, which have set high production records.
Features
Flange Output
Dials, gears, sprockets, and other elements can be mounted directly to the output shaft.
Wide Product Lineup
Available in many sizes and indexing configurations.
High Rigidity
Flange output surface stays rigid in all directions.
Compact
Thin profile housing
Standard Equipped Gearmotor
The Alpha Series come with a variable frequency drive gearmotor with a hollow output shaft.
Typical Applications
  • Welding machines for automotive parts
  • Tire assembly machines
  • Manufacturing equipment for solar panels
  • Various assembly and inspection machines
Specifications
α Series Specifications
Description Symbol Unit 7AD 9AD 11AD 15AD
Indexing Stops s    2, 3, 4, 5, 6, 8, 10, 12,
15, 16, 20, 24, 32
Input Shaft Speed   rpm 0 to 200
Cam Curve     SMS-3 (Sankyo Modified Sine),
SMCV-3 (Sankyo Modified Constant Velocity)
Output Allowable Thrust Load P1 N 3100 4900 6800 11000
Output Allowable Radial Load P2 N 1400 2100 3400 6800
Output Static Torque TS N・m Refer to Torque Transfer Table
Output Torsional Rigidity K1 N・m/rad 1.39×105 2.64×105 4.43×105 2.37×106
Output Moment of Inertia J0 kg・m2 3.4×10-3 1.11×10-2 3.47×10-2 0.162
Output Allowable Bending Moment P3 N・m 32 98 147 333.2
Input Allowable Thrust Load P4 N 1860 2500 3000 4000
Input Max Repetitious Bending Force P5 N 1600 2500 3500 4000
Input Max Repetitious Allowable Torque P6 N・m 93.1 245 294 392
Input Torsional Rigidity K2 N・m/rad 2.62×104 3.36×104 3.98×104 6.64×104
Input Moment of Inertia (Note 1) JC kg・m2 1.9×10-3 2.5×10-3 6.0×10-3 0.020
Indexing Accuracy (1 Dwell)   sec ±30 ±30 ±30 ±30
Indexing Accuracy (2 Dwell)   sec ±60 ±60 ±60 ±60
Repeatability   sec 30 30 30 30
Product Weight (Indexer)   kg Approx. 15 Approx. 24 Approx. 42 Approx. 85
Housing Color     Ivory
Geared Motor   kW 0.1, 0.2 0.2, 0.4 0.4, 0.75 0.75, 1.5
Geared Motor Paint Color      Gray Light silver
Note 1) Input moment of inertia: J is calculated in dwell.
Description Symbol Unit 19AD 23AD 33AD 45AD
Indexing Stops s    2, 3, 4, 5, 6, 8, 10, 12,
15, 16, 20, 24, 32
Input Shaft Speed    rpm 0 to 200
Cam Curve       SMS-3 (Sankyo Modified Sine),
SMCV-3 (Sankyo Modified Constant Velocity)
Output Allowable Thrust Load P1 N 18000 27000 34890 47460
Output Allowable Radial Load P2 N 9000 12000 33570 40750
Output Static Torque TS N・m Refer to Torque Transfer Table
Output Torsional Rigidity K1 N・m/rad 3.5×106 6.2×106 1.68×107 3.18×107
Output Moment of Inertia J0 kg・m2 0.549 1.685 8.29 25.78
Output Allowable Bending Moment P3 N・m 600 980 2030 3070
Input Allowable Thrust Load P4 N 5000 6000 18440 25100
Input Max Repetitious Bending Force P5 N 5000 6000 20900 27000
Input Max Repetitious Allowable Torque P6 N・m 600 784 6400 8400
Input Torsional Rigidity K2 N・m/rad 8.4×104 1.14×105 4.19×105 6.44×105
Input Moment of Inertia (Note 1) JC kg・m2 0.105 0.136 1.71 7.90
Indexing Accuracy (1 Dwell)    sec ±30 ±30 ±20 ±20
Indexing Accuracy (2 Dwell)    sec ±60 ±60 ±40 ±40
Repeatability    sec 30 30 20 20
Product Weight (Indexer)    kg Approx. 180 Approx. 285 Approx. 1000 Approx. 1600
Housing Color       Ivory
Geared Motor    kW 1.5、2.2 2.2、3.7 5.5、7.5 11、15
Geared Motor Paint Color       Light silver 2.2 kW Ivory
3.7 kW Light silver
Ivory
Note 1) Input moment of inertia: J is calculated in dwell.
Gearmotor Models and Ratings for the α Series
7AD
Product Code Motor
Output
(kW)
Actual
Reduction
Ratio (i)
Output Speed
NM (rpm)
Output Static Torque
TR (N・m)
Motor Moment
of Inertia
JM (kg・m2)
Weight
(kg)
200/220 VAC Model 230 VAC Model 50Hz 60Hz 50Hz 60Hz
GM0.1-20AS-7AD GM0.1-20BS-7AD 0.1 20 75 90 11 8.6 4.75×10-45 6
GM0.1-25AS-7AD GM0.1-25BS-7AD 25 60 72 13 11
GM0.1-30AS-7AD GM0.1-30BS-7AD 30 50 60 16 13
GM0.1-40AS-7AD GM0.1-40BS-7AD 40 37.5 45 21 18
GM0.1-50AS-7AD GM0.1-50BS-7AD 50 30 36 25 22
GM0.2-10AS-7AD GM0.2-10BS-7AD 0.2 10 150 180 11 9.2 7.25×10-4 7.5
GM0.2-15AS-7AD GM0.2-15BS-7AD 15 100 120 17 14
GM0.2-20AS-7AD GM0.2-20BS-7AD 20 75 90 23 19
GM0.2-25AS-7AD GM0.2-25BS-7AD 25 60 72 27 24
GM0.2-30AS-7AD GM0.2-30BS-7AD 30 50 60 33 27
GM0.2-40AS-7AD GM0.2-40BS-7AD 40 37.5 45 44 37
GM0.2-50AS-7AD GM0.2-50BS-7AD 50 30 36 55 46
9AD
Product Code Motor
Output
(kW)
Actual
Reduction
Ratio (i)
Output Speed
NM (rpm)
Output Static Torque
TR (N・m)
Motor Moment
of Inertia
JM (kg・m2)
Weight
(kg)
200/220 VAC Model 230 VAC Model 50Hz 60Hz 50Hz 60Hz
GM0.2-20AS-9AD GM0.2-20BS-9AD 0.2 20 75 90 22.5 18.6 0.74×10-3 9.8
GM0.2-25AS-9AD GM0.2-25BS-9AD 25 60 72 27.4 23.5
GM0.2-30AS-9AD GM0.2-30BS-9AD 30 50 60 33.3 27.4
GM0.2-40AS-9AD GM0.2-40BS-9AD 40 37.5 45 44.1 37.2
GM0.2-50AS-9AD GM0.2-50BS-9AD 50 30 36 55.9 46.1
GM0.4-10AS-9AD GM0.4-10BS-9AD 0.4 10 150 180 22.5 18.6 0.90×10-3 10.5
GM0.4-15AS-9AD GM0.4-15BS-9AD 15 100 120 33.3 27.4
GM0.4-20AS-9AD GM0.4-20BS-9AD 20 75 90 44.1 37.2
GM0.4-25AS-9AD GM0.4-25BS-9AD 25 60 72 55.9 46.1
GM0.4-30AS-9AD GM0.4-30BS-9AD 30 50 60 66.6 55.9
GM0.4-40AS-9AD GM0.4-40BS-9AD 40 37.5 45 84.3 70.6
GM0.4-50AS-9AD GM0.4-50BS-9AD 50 30 36 106.0 88.2
11AD
Product Code Motor
Output
(kW)
Actual
Reduction
Ratio (i)
Output Speed
NM (rpm)
Output Static Torque
TR (N・m)
Motor Moment
of Inertia
JM (kg・m2)
Weight
(kg)
200/220 VAC Model 230 VAC Model 50Hz 60Hz 50Hz 60Hz
GM0.4-20AS-11AD GM0.4-20BS-11AD 0.4 20 75 90 44.1 37.2 0.90×10-3 10.5
GM0.4-25AS-11AD GM0.4-25BS-11AD 25 60 72 55.9 46.1
GM0.4-30AS-11AD GM0.4-30BS-11AD 30 50 60 66.6 55.9
GM0.4-40AS-11AD GM0.4-40BS-11AD 40 37.5 45 84.3 70.6
GM0.4-50AS-11AD GM0.4-50BS-11AD 50 30 36 106.0 88.2
GM0.75-10AS-11AD-02 GM0.75-10BS-11AD-02 0.75 10 150 180 42.1 34.3 1.83×10-3 24
GM0.75-15AS-11AD-02 GM0.75-15BS-11AD-02 15 100 120 62.7 51.9
GM0.75-20AS-11AD-02 GM0.75-20BS-11AD-02 20 75 90 83.3 69.6
GM0.75-25AS-11AD-02 GM0.75-25BS-11AD-02 25 60 72 104 87.2
GM0.75-30AS-11AD-02 GM0.75-30BS-11AD-02 30 50 60 125 104
GM0.75-40AS-11AD-02 GM0.75-40BS-11AD-02 40 37.5 45 159 132
GM0.75-50AS-11AD-02 GM0.75-50BS-11AD-02 50 30 36 198 165
15AD
Product Code Motor
Output
(kW)
Actual
Reduction
Ratio (i)
Output Speed
NM (rpm)
Output Static Torque
TR (N・m)
Motor Moment
of Inertia
JM (kg・m2)
Weight
(kg)
200/220 VAC Model 230 VAC Model 50Hz 60Hz 50Hz 60Hz
GM0.75-20AS-15AD-02 GM0.75-20BS-15AD-02 0.75 20 75 90 83.3 69.6 1.83×10-3 24
GM0.75-25AS-15AD-02 GM0.75-25BS-15AD-02 25 60 72 104 87.2
GM0.75-30AS-15AD-02 GM0.75-30BS-15AD-02 30 50 60 125 104
GM0.75-40AS-15AD-02 GM0.75-40BS-15AD-02 40 37.5 45 159 132
GM0.75-50AS-15AD-02 GM0.75-50BS-15AD-02 50 30 36 198 165
GM1.5-10AS-15AD-02 GM1.5-10BS-15AD-02 1.5 10 150 180 83.3 69.6 6.2×10-3 41
GM1.5-15AS-15AD-02 GM1.5-15BS-15AD-02 15 100 120 124 104
GM1.5-20AS-15AD-02 GM1.5-20BS-15AD-02 20 75 90 166 138
GM1.5-25AS-15AD-02 GM1.5-25BS-15AD-02 25 60 72 208 173
GM1.5-30AS-15AD-02 GM1.5-30BS-15AD-02 30 50 60 249 208
GM1.5-40AS-15AD-02 GM1.5-40BS-15AD-02 40 37.5 45 317 264
GM1.5-50AS-15AD-02 GM1.5-50BS-15AD-02 50 30 36 396 330
19AD
Product Code Motor
Output
(kW)
Actual
Reduction
Ratio (i)
Output Speed
NM (rpm)
Output Static Torque
TR (N・m)
Motor Moment
of Inertia
JM (kg・m2)
Weight
(kg)
200/220 VAC Model 230 VAC Model 50Hz 60Hz 50Hz 60Hz
GM1.5-20AS-19AD-02 GM1.5-20BS-19AD-02 1.5 20 75 90 166 138 6.2×10-3 41
GM1.5-25AS-19AD-02 GM1.5-25BS-19AD-02 25 60 72 208 173
GM1.5-30AS-19AD-02 GM1.5-30BS-19AD-02 30 50 60 249 208
GM1.5-40AS-19AD-02 GM1.5-40BS-19AD-02 40 37.5 45 317 264
GM1.5-50AS-19AD-02 GM1.5-50BS-19AD-02 50 30 36 396 330
GM2.2-10AS-19AD-02 GM2.2-10BS-19AD-02 2.2 10 150 180 122 102 8.8×10-3 48
GM2.2-15AS-19AD-02 GM2.2-15BS-19AD-02 15 100 120 182 152
GM2.2-20AS-19AD-02 GM2.2-20BS-19AD-02 20 75 90 244 203
GM2.2-25AS-19AD-02 GM2.2-25BS-19AD-02 25 60 72 290 242
GM2.2-30AS-19AD-02 GM2.2-30BS-19AD-02 30 50 60 349 290
GM2.2-40AS-19AD-02 GM2.2-40BS-19AD-02 40 37.5 45 465 387
GM2.2-50AS-19AD-02 GM2.2-50BS-19AD-02 50 30 36 581 484
23AD
Product Code Motor
Output
(kW)
Actual
Reduction
Ratio (i)
Output Speed
NM (rpm)
Output Static Torque
TR (N・m)
Motor Moment
of Inertia
JM (kg・m2)
Weight
(kg)
200/220 VAC Model 230 VAC Model※ 50Hz 60Hz 50Hz 60Hz
GM2.2-20.37AS-23AD-01 GM2.2-20.37BS-23AD-01 2.2 20.37 69 83 275 230 11.2×10-3 60
GM2.2-23.33AS-23AD-01 GM2.2-23.33BS-23AD-01 23.33 60 72 295 250
GM2.2-26.93AS-23AD-01 GM2.2-26.93BS-23AD-01 26.93 52 63 340 285
GM2.2-29.63AS-23AD-01 GM2.2-29.63BS-23AD-01 29.63 48 57 370 315
GM2.2-34.80AS-23AD-01 GM2.2-34.80BS-23AD-01 34.80 41 49 435 365
GM2.2-36.85AS-23AD-01 GM2.2-36.85BS-23AD-01 36.85 38 46 460 385
GM2.2-41.89AS-23AD-01 GM2.2-41.89BS-23AD-01 41.89 34 40 515 435
GM2.2-46.40AS-23AD-01 GM2.2-46.40BS-23AD-01 46.40 30 36 570 480
GM3.7-10AS-23AD-02 GM3.7-10BS-23AD-02 3.7 10 150 180 205 171 16.7×10-3 80
GM3.7-15AS-23AD-02 GM3.7-15BS-23AD-02 15 100 120 308 256
GM3.7-20AS-23AD-02 GM3.7-20BS-23AD-02 20 75 90 410 341
GM3.7-25AS-23AD-02 GM3.7-25BS-23AD-02 25 60 72 489 407
GM3.7-30AS-23AD-02 GM3.7-30BS-23AD-02 30 50 60 586 489
GM3.7-40AS-23AD-02 GM3.7-40BS-23AD-02 40 37.5 45 782 652
GM3.7-50AS-23AD-02 GM3.7-50BS-23AD-02 50 30 36 977 814
※2.2-kW 230-VAC motor (GM2.2- □BS-23AD-01) is only available for 60 Hz.
33AD
Product Code Motor
Output
(kW)
Actual
Reduction
Ratio (i)
Output Speed
NM (rpm)
Output Static Torque
TR (N・m)
Motor Moment
of Inertia
JM (kg・m2)
Weight
(kg)
200/220 VAC Model 230 VAC Model※ 50Hz 60Hz 50Hz 60Hz
GM5.5-19.70AS-33AD-01 GM5.5-19.70BS-33AD-01 5.5 19.70 73 87 670 565 25.8×10-3 152
GM5.5-25.50AS-33AD-01 GM5.5-25.50BS-33AD-01 25.50 56 67 860 725
GM5.5-31.43AS-33AD-01 GM5.5-31.43BS-33AD-01 31.43 46 55 1040 870
GM5.5-34.96AS-33AD-01 GM5.5-34.96BS-33AD-01 34.96 41 49 1150 970
GM5.5-39.10AS-33AD-01 GM5.5-39.10BS-33AD-01 39.10 37 44 1280 1080
GM5.5-44.03AS-33AD-01 GM5.5-44.03BS-33AD-01 44.03 33 39 1440 1210
GM5.5-47.91AS-33AD-01 GM5.5-47.91BS-33AD-01 47.91 30 36 1560 1310
GM5.5-57.00AS-33AD-01 GM5.5-57.00BS-33AD-01 57.00 25 30 1840 1550
GM7.5-10.93AS-33AD-01 GM7.5-10.93BS-33AD-01 7.5 10.93 133 159 510 425 38.1×10-3 166
GM7.5-15.64AS-33AD-01 GM7.5-15.64BS-33AD-01 15.64 93 111 720 605
GM7.5-19.70AS-33AD-01 GM7.5-19.70BS-33AD-01 19.70 74 88 910 760
GM7.5-25.50AS-33AD-01 GM7.5-25.50BS-33AD-01 25.50 57 68 1170 980
GM7.5-31.43AS-33AD-01 GM7.5-31.43BS-33AD-01 31.43 46 55 1400 1170
GM7.5-34.96AS-33AD-01 GM7.5-34.96BS-33AD-01 34.96 41 50 1550 1300
GM7.5-39.10AS-33AD-01 GM7.5-39.10BS-33AD-01 39.10 37 45 1730 1450
GM7.5-44.03AS-33AD-01 GM7.5-44.03BS-33AD-01 44.03 33 40 1940 1630
※230 VAC is only available for 60 Hz.
45AD
Product Code Motor
Output
(kW)
Actual
Reduction
Ratio (i)
Output Speed
NM (rpm)
Output Static Torque
TR (N・m)
Motor Moment
of Inertia
JM (kg・m2)
Weight
(kg)
200/220 VAC Model 230 VAC Model※ 50Hz 60Hz 50Hz 60Hz
GM11-19.23AS-45AD-01 GM11-19.23BS-45AD-01 11 19.23 75 90 1320 1110 81.7×10-3 271
GM11-23.59AS-45AD-01 GM11-23.59BS-45AD-01 23.59 61 73 1610 1350
GM11-26.39AS-45AD-01 GM11-26.39BS-45AD-01 26.39 55 66 1800 1510
GM11-32.60AS-45AD-01 GM11-32.60BS-45AD-01 32.60 44 53 2160 1820
GM11-36.05AS-45AD-01 GM11-36.05BS-45AD-01 36.05 40 48 2380 2000
GM11-40.65AS-45AD-01 GM11-40.65BS-45AD-01 40.65 36 43 2680 2250
GM11-44.89AS-45AD-01 GM11-44.89BS-45AD-01 44.89 32 39 2950 2480
GM11-49.87AS-45AD-01 GM11-49.87BS-45AD-01 49.87 29 35 3270 2750
GM15-9.55AS-45AD-01 GM15-9.55BS-45AD-01 15 9.55 153 183 890 745 113.0×10-3 321
GM15-15.42AS-45AD-01 GM15-15.42BS-45AD-01 15.42 95 114 1430 1200
GM15-21.23AS-45AD-01 GM15-21.23BS-45AD-01 21.23 69 82 1970 1640
GM15-26.39AS-45AD-01 GM15-26.39BS-45AD-01 26.39 55 66 2430 2040
GM15-32.60AS-45AD-01 GM15-32.60BS-45AD-01 32.60 45 54 2920 2450
GM15-36.05AS-45AD-01 GM15-36.05BS-45AD-01 36.05 41 49 3230 2700
GM15-40.65AS-45AD-01 GM15-40.65BS-45AD-01 40.65 36 43 3630 3040
GM15-44.89AS-45AD-01 GM15-44.89BS-45AD-01 44.89 33 39 4000 3350
※230 VAC is only available for 60 Hz.
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