General Catalog
Harmonic Drive Gearing & Motion Control
Total Motion Control
Excellent Technology Clusters
in a Wide Range of Industries
Harmonic drive products are unique precision speed reducers
playing important roles in robots, semiconductor manufacturing systems,
factory automation equipment ....... and furthermore, in aerospace
equipment that may convey our human dreams.
A variety of electromechanical products required high precision motion control
in optical measuring equipment, medical equipment, printing machines
and other systems offer many advantages in the fi eld of industrial and
scientifi c technologies.
Harmonic Drive LLC is making every efforts to develop
supportive technologies for the 21st century, thereby contributing
to global technological advance.
Features
Structure
Operating Principle
Tooth behavior and engagement
360°
One Turn of Wave Generator
90°
Wave GeneratorStructure of Harmonic Drive Unit (Component Type)
Driven by a unique operating principle applying elastodynamics of metals and comprising of only three
basic parts (Wave generator, Flexspline and Circular spline),
Harmonic Drive products reveal excellent features not found in other speed reducers.
High positioning accuracy, High repeatability Compactness, Light weight, High reduction ratio,
High torque capacity, Non-backlash, High efficiency, Quiet operation
The Wave Generator is a thin raced ball bearing fitted onto an
elliptical hub serving as a high efficiency torque converter and
generally mounted onto the input shaft.
Flexspline
The Flexspline is a non-rigid, thin cylindrical cup with external teeth
on a slightly smaller pitch diameter than the Circular Spline.
It fits over and is held in an elliptical shape by the
Wave Generator.
Circular Spline
The Circular Spline is a rigid ring with internal teeth, engaging the
teeth of the Flexspline across the major axis of the Wave Generator.
The Circular Spline has two more teeth than
the Flexspline and is generally mounted onto a housing.
Unlike motions of ordinary gearing, the unique tooth behavior
(operating principle) of harmonic drive gearing achieved non-backlash
motion, infinitesimal angular feeding (one-pulse feeding) and high
positioning repeatability. More than 30% of all teeth simultaneously
engages in two locations in 180°symmetry, thereby allowing high torque
capabillity.
0°
Circular Spline
Wave Generator
Flexspline
The Flexspline is slightly smaller in diameter
than the Circular Spline and usually has two
fewer teeth than the Circular Spline. The
elliptical shape of the Wave Generator causes
the teeth of the Flexspline to engage the
Circular Spline at two opposite regions
across the major axis of the ellipse.
As the Wave Generator rotates, the zone
where the teeth of the Flexspline engages
those of the Circular major elliptical axis.
For each 180 clockwise movement of the
Wave Generator, the Flexspline moves
counterclockwise by one teeth relative to
the Circular Splin.
Each complete clockwise rotation of the
Wave Generator results in the Flexspline
moving counter-clockwise by two teeth
from its original position relative to the
Circulr Splineular.
Circular Spline
Flexspline
Harmonic Drive Gearing
Flexspline
Wave Generator
Circular Spline
Product Group
HarmonicDrive Precision
Control Speed Reducers
Harmonic Drive Gearing
Planetary Gearing
Speed Reducers
Speed ReducersDrive System Component / Cup Type
Series
CSF-GH
CSF-2XH
HPG
HP-F
FD
CSG
CSD
CSF
SHG
SHF
HDUF
HDUR
CSG-2UH
CSG-2UH
SHG-2UH
SHF-2UH
SHG-2UJ
SHG-2UJ
CSF-1U
SHG-2SH
SHG-2SH
SHG-2SO
SHF-2SO
SHD-2SH
High-torque Type
Super Flat Type
Standard Type
High-torque Type
Standard Type
Standard Type
Standard Type
Small and Medium-capacity Type
Small Capacity Type
Small and Medium-capacity Type
Small-capacity Type
Gear Head Type
Gear Head Type
High-torque Type
Standard Type
High-Torque Hollow Shaft Type
Hollow Shaft Type
High-Torque Shaft Input Type
Shaft Input Type
Compact Double Shaft Type
Unit Type
High-torque Hollow Shaft Type
Flat Hollow Shaft Type
High-torque Flat Type
Flat Type
Super Flat Hollow Shaft Type
Simple Unit Type
Standard TypePhase Adjustment Unit
Product Lineup
Cup Type
Silk Hat Type
Pancake Type
★★★
★★★
★★
★
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★
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22
19
23
24
★★★
★
★★★
★
18~2600
0.5~28
23~850
2.5~5.2
1/50~1/160
1/30~1/100
1/5~1/45
1/5~1/25
30~5000
3~30
30~10000
5~30
★ ★ ★ ★ ★★★ ★★ ★ 21★30~4000 1/50~1/320
Product Feature
★★★
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★
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★
★
10
11
12
13
14
21
21
★★★
★★★
★★
★★★
★★
★
★
23~3400
12~820
1.8~9200
23~3400
9.0~800
7.8~330
9.8~4000
1/50~1/160
1/50~1/160
1/30~1/160
1/50~1/160
1/30~1/160
1/50~1/160
1/50~1/320
★★
★★
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★
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—
—
—
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15
16
17
18
17
18
19
★★★
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★★
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★★
★★
23~3400
9.0~2600
23~3400
9.0~1800
23~3400
9.0~1800
0.5~28
1/50~1/160
1/30~1/160
1/50~1/160
1/30~1/160
1/50~1/160
1/30~1/160
1/30~1/100
★★★
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—
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18
17
18
17
20
★★★
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★★★
23~3400
9.0~1800
23~3400
9.0~1800
12~450
1/50~1/160
1/30~1/160
1/50~1/160
1/30~1/160
1/50~1/160
Variation
Moment Stiffness Positioning Accuracy Lightweight Compactness Backlash Page inCatalog
Variation
Torque-weight
Ratio
Torsional
Stiffness
Positioning
Accuracy
Lightweight Flat Shape Hollow
Structure Life
Page in
CatalogCustomizingPeak Torque (Nm) Reduction Ratio
Variation
Torque-weight
Ratio
Moment
Stiffness
Positioning
Accuracy
Lightweight Flat Shape Hollow
Structure Life
Page in
CatalogCustomizingPeak Torque (Nm) Reduction Ratio
Peak Torque (Nm) Reduction Ratio Motor Capacity (W)
Ease of Mounting Life
Variation
Torque-weight
Ratio
Moment
Stiffness
Positioning
Accuracy
Lightweight Flat Shape Hollow
Structure Life
Page in
CatalogCustomizingPeak Torque (Nm) Reduction Ratio
Variation Torque-weight
Ratio
Torsional
Stiffness
Positioning
Accuracy Lightweight Flat Shape
Hollow
Structure Life
Page in
CatalogCustomizingPeak Torque (Nm) Reduction Ratio
Optical
Galvano Scanners
Servo DriversControlSystems
Rotary
Systems
Direct
Transmission
Systems
Actuators
Sensors
LSA
RP-B
RH
FHA-Cmini
FHA-C
RSF•RKF
LBC
LA
LAH-46
LNP
LAH-80
High Accuracy, High Response
Position and Speed Control
With Shaft Control Function
For Position Control Only
For Position Control Only
For AC Servomotors
For DC Servomotors
Compact Cylinder TypeStepping Motors
Compact Cylinder TypeDC Servomotors
Compact Hollow Shaft Flat Type
Hollow Shaft Flat Type
Compact Cylinder Type
AC Servomotors
AC Servomotors
DC Servomotors
Stepping Motors
High-thrust Positioning Type
Low-thrust Positioning Type
Medium-thrust Positioning Type
Low-thrust Positioning Type
High-thrust Positioning Type
High-Resolution Absolute Angle Detection
Super-compact Encoders, Micro Encoders
MIT Series
Micro Encoder
HA-655 Series
HA-675 Series
HA-520 Series
HS-360 Series
Series
Product Group
★★★ ★★★ ★★★ ★★★ ★★ ★★★ 31★★★1.8~8.5 0.0082~0.05
CE,UL
CE,UL
★★★
★★
★★
★★
★★★
★★★
★★
★★
34
34
34
34
★★★ ★★ ★★ ★ 29★★8.3~54 35~70
280.39~20 180~50
★★★
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★
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★★★
25
26
27
★★★
★★★
★★
1.8~28
39~690
1.5~330
200~60
96~35
30~60
Product Feature
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30
30
30
30
30
★★
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★★
★★
6000~12000
49
392
10kg
3000
6000~12000
49
392
1.5
3000
10~20
0.9~10
0.9~10
13~15
0.9~10
★★★
★
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★
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★
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32
33
★★★
★
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★★
The combinations with actuator and driver may not fully be complied with foreign safety standards. Please contact our sales office.
★ ★★ ★★★ ★★★ ★★★★
Maximum Driving
Force (N)
Maximum Speed
(mm/s) Stroke (mm)
Peak Torque (Nm) Maximum Speed (rpm)
Peak Torque (Nm) Maximum Speed (rpm)
Variation
Repeatability Resolution Moment Stiffness
Servo
Performance
Hollow Structure Thinness Lightweight Page in
Catalog
Variation
Repeatability Resolution Stiffness Compactness Lightweight Page in
Catalog
Repeatability Linearity Stiffness ServoPerformance
Drift
Characteristic Compactness Lightweight
Moment of Inertia
(g•cm)
Torque Constant
(N•m/A)
Page in
Catalog
Robustness Super Long Life Resolution Compactness LightweightCompatibility to Host Computer
Absolute Detection
System Incremental System
Page in
Catalog
Variation Page in
CatalogRepeatability Resolution
Moment
Stiffness
Servo
Performance
Hollow
Structure
Thinness LightweightCompactness
Page in
Catalog
Interface to Absolute Interface toIncremental
International
Safety Standard Functional Versatility Display Function
Valve Position
Command
Analog Speed
Command
Mono-shaft Control
(Command)
Compactness
Peak Torque (Nm) Maximum Speed (rpm)
Variation Page in
CatalogRepeatability Resolution
Moment
Stiffness
Servo
Performance
Hollow
Structure
Thinness LightweightCompactness
Harmonic Drive Gearing
CSG (P10) CSD (P11) CSF (P12)
SHF (P14)
SHG (P13)
HDUF (P21)
HDUR (P21)
CSG-2UH (P15)
CSF-2UH (P16) SHF-2UH (P18)
SHG-2UH (P17)
CSF-1U (P19)
SHD-2SH (P20)
CSF-GH (P24) HPG (P25)
Gear Head Type
HDB (P22) HDT (P23)
Infi nit-Indexer (P26)
Rotary Servo Actuators
FHA-C mini (P27) FHA-C (P28) RSF (P30)
RHS-25 (P32)
RFS-25 (P32)
RH (P30)
LBC (P36) LA (P36) LAH-46 (P36) LAH-80 (P36) LNP (P36)
Optical Galvano Scanners Sensors
LSA (P37) MIT (P38) Micro Encoder (P39)
Servo Drivers
HA-655 HA-675 (P40) HA-520 (P40) HS-360 (P40)
Product Lineup
Powerhub (P29)
HHA Chamberlink™ (P33) LPA (P34)
• Compact and simple design
• High torque capacity
• High stiffness
• Non-backlash
• High positioning and rotational accuracies
To realize a high load capacity and high reliability, the torque capacity has been
increased by 30%. Units that allow easy mounting are also available. (See page 15.)
L i f e : 10,000h
Main Application Target
Drawings (DXF) can be downloaded from our home page. URL: http://www.HarmonicDrive.net
• Robots
• Humanoid robots
• Metal machine tools
• Printing, bookbinding and paper processing
machines
• Wood, light metal and plastic working machines
• Printed circuit board manufacturing machines
Please contact
Harmonic Drive LLC
for a detailed
catalog of this
product.
Comparison of Features. High Torque Harmonic Drive vs. CSF Series
•CSG Series Ratings
50 178 18 523 53 92 91
80 268 27 675 69 1270 130
100 345 35 738 75 1400 143
120 382 39 802 82 1530 156
160 382 39 841 86 1530 156
50 229 23 650 66 1235 126
80 407 41 918 94 1651 168
100 459 47 982 100 2041 208
120 523 53 1070 109 2288 233
160 523 53 1147 117 2483 253
80 484 49 1223 125 2418 247
100 611 62 1274 130 2678 273
120 688 70 1404 143 2678 273
160 688 70 1534 156 3185 325
80 714 73 1924 196 3185 325
100 905 92 2067 211 4134 422
120 969 99 2236 228 4329 441
160 969 99 2392 244 4459 455
80 969 99 2743 280 4836 493
100 1236 126 2990 305 6175 630
120 1236 126 3263 333 6175 630
160 1236 126 3419 349 6175 630
kgf•m
14
17
50
58
65
20
25
32
40
45
N•m kgf•m N•m kgf•m N•m kgf•m
100
100
100
100
100
130
130
130
130
150
40 60 80 100 120 140 160
Permissible Maximum
Momentary Torque
Average Ratcheting
Torque
Permissible Peak
Torque
Rated
Torque
Life
(Hours) (%)
CSF
N•m kgf•m N•m N•m kgf•m
Rated Torque at
2000rpm
Permissible Peak
Torque at Start
and Stop
Permissible Maximum
Momentary
TorqueReduction
Ratio
Item
Model
No.
Rated Torque at
2000rpm
Permissible Peak
Torque at Start
and Stop
Permissible Maximum
Momentary
TorqueReduction
Ratio
Item
Model
No.
CSG
[When CSF is set to 100]
50 7.0 0.7 23 2.3 6 4.7
80 10 1.0 30 3.1 61 6.2
100 10 1.0 36 3.7 70 7.2
50 21 2.1 44 4.5 91 9
80 29 2.9 56 5.7 113 12
100 31 3.2 70 7.2 143 15
120 31 3.2 70 7.2 112 11
50 33 3.3 73 7.4 127 13
80 44 4.5 96 9.8 165 17
100 52 5.3 107 10.9 191 20
120 52 5.3 113 11.5 191 20
160 52 5.3 120 12.2 191 20
50 51 5.2 127 13 242 25
80 82 8.4 178 18 332 34
100 87 8.9 204 21 369 38
120 87 8.9 217 22 395 40
160 87 8.9 229 23 408 42
50 99 10 281 29 497 51
80 153 16 395 40 738 75
100 178 18 433 44 841 86
120 178 18 459 47 892 91
160 178 18 484 49 892 91
CSG Series
Component/Cup Type - High-torque Type
Speed reducer
Harmonic Drive LLC 10 w w w. H a r m o n i c D r i v e . n e t • 8 0 0 - 9 2 1 - 3 3 3 2
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Copyright(C) by Foxit Software Company,2005-2007
For Evaluation Only.
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• Super thin
• Hollow structure
• High repeatability
Responding to the market needs, seven models of the new Harmonic Drive CSD
series have been succeeded in downsizing.
The CSD series is designed for applications requiring ultra compact size.
L i f e : 7,000h
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Drawings (DXF) can be downloaded from our home page. URL: http://www.HarmonicDrive.net
• Robots
• Humanoid robots
• Aerospace
Main Application Target
Please contact
Harmonic Drive LLC
for a detailed
catalog of this
product.
•CSD Series Ratings
N•m kgf•m N•m kgf•m N•m kgf•m
14
17
20
25
32
40
50
50
100
50
100
50
100
160
3.7
5.4
11
16
17
28
28
27
47
47
53
96
96
96
185
206
172
329
370
0.38
0.55
1.1
1.6
1.7
2.9
2.9
2.8
4.8
4.8
5.4
10
10
10
19
21
18
34
38
12
19
23
37
39
57
64
69
110
123
151
233
261
281
398
453
500
686
823
1.2
1.9
2.3
3.8
4.0
5.8
6.5
7.0
11
13
15
24
27
29
41
46
51
70
84
24
31
48
55
69
76
76
127
152
152
268
359
359
480
694
694
1000
1440
1577
2.4
3.2
4.9
5.6
7.0
7.7
7.7
13
15
15
27
37
37
49
71
71
102
147
161
50
100
160
50
100
160
50
100
160
50
100
160
Rated Torque at 2000rpm
Peak Torque
at Start and Stop
Permissible Maximum
Momentary TorqueReduction
Ratio
Item
Model No.
CSD Series
Component/Cup Type - Super Flat Type
Speed reducer
Harmonic Drive LLCw w w. H a r m o n i c D r i v e . n e t • 8 0 0 - 9 2 1 - 3 3 3 2 11
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• Robots
• Humanoid robots
• Metal machine tools
• Printing, bookbinding and paper
processing machines
• Semiconductor manufacturing systems
• Measurement, analytical and test systems
• Medical equipment
• Optical machines
• Telescopes
• Wood, light metal and plastic working
machines
• Energy
• Paper-making machines
• Crating and packaging machines
• Flat panel display manufacturing systems
• Printed circuit board manufacturing machines
• Space equipment
• Aircraft
• Glass and ceramic manufacturing systems
Please contact
Harmonic Drive LLC
for a detailed
catalog of this
product.
•CSF Series Ratings
N•m kgf•m N•m kgf•m N•m kgf•m
8
11
14
17
45
50
58
65
80
90
100
40
20
25
32
30 0. 9 0.09 1.8 0.18 3.3 0.34
50 1.8 0.18 3.3 0.34 6.6 0.67
100 2.4 0.25 4.8 0.49 9.0 0.92
30 2.2 0.22 4.5 0.46 8.5 0.87
50 3.5 0.36 8.3 0.85 17 1.7
100 5.0 0.51 11 1.1 25 2.6
30 4.0 0.41 9.0 0.92 17 1.7
50 5.4 0.55 18 1.8 35 3.6
80 7.8 0.80 23 2.4 47 4.8
100 7.8 0.80 28 2.9 54 5.5
30 8.8 0.90 16 1.6 30 3.1
50 16 1.6 34 3.5 70 7.1
80 22 2.2 43 4.4 87 8.9
100 24 2.4 54 5.5 108 11
120 24 2.4 54 5.5 86 8.8
30 15 1.5 27 2.8 50 5.1
50 25 2.5 56 5.7 98 10
80 34 3.5 74 7.5 127 13
100 40 4.1 82 8.4 147 15
120 40 4.1 87 8.9 147 15
160 40 4.1 92 9.4 147 15
30 27 2.8 50 5.1 95 9.7
50 39 4.0 98 10 186 19
80 63 6.4 137 14 255 26
100 67 6.8 157 16 284 29
120 67 6.8 167 17 304 31
160 67 6.8 176 18 314 32
30 54 5.5 100 10 200 20
50 76 7.8 216 22 382 39
80 118 12 304 31 568 58
100 137 14 333 34 647 66
120 137 14 353 36 686 70
160 137 14 372 38 686 70
50 137 14 402 41 686 70
80 206 21 519 53 980 100
100 265 27 568 58 1080 110
120 294 30 617 63 1180 120
160 294 30 647 66 1180 120
50 176 18 500 51 950 97
80 313 32 706 72 1270 130
100 353 36 755 77 1570 160
120 402 41 823 84 1760 180
160 402 41 882 90 1910 195
50 245 25 715 73 1430 146
80 372 38 941 96 1860 190
100 470 48 980 100 2060 210
120 529 54 1080 110 2060 210
160 529 54 1180 120 2450 250
50 353 36 1020 104 1960 200
80 549 56 1480 151 2450 250
100 696 71 1590 162 3180 325
120 745 76 1720 176 3330 340
160 745 76 1840 188 3430 350
50 490 50 1420 145 2830 289
80 745 76 2110 215 3720 380
100 951 97 2300 235 4750 485
120 951 97 2510 256 4750 485
160 951 97 2630 268 4750 485
50 872 89 2440 249 4870 497
80 1320 135 3430 350 6590 672
100 1700 173 4220 431 7910 807
120 1990 203 4590 468 7910 807
160 1990 203 4910 501 7910 807
50 1180 120 3530 360 6660 680
80 1550 158 3990 407 7250 740
100 2270 232 5680 580 9020 920
120 2570 262 6160 629 9800 1000
160 2700 276 6840 698 11300 1150
50 1580 161 4450 454 8900 908
80 2380 243 6060 618 11600 1180
100 2940 300 7350 750 14100 1440
120 3180 324 7960 812 15300 1560
160 3550 362 9180 937 15500 1580
N•m kgf•m N•m kgf•m N•m kgf•m
Main Application Target
• Compact
• High torque capacity
• High stiffness
• Non-backlash
• High positioning and rotational accuracies
• Coaxial input and output
For downsizing purpose, the axial length has been reduced to about
one half. Units that allow easy mounting are also available. (See page 16.)
L i f e : 7,000h
CSF Series
Component/Cup Type - Standard Type
Rated Torque at
2000rpm
Permissible Peak
Torque at Start
and Stop
Permissible Maximum
Momentary
TorqueReduction
Ratio
Item
Model
No.
Rated Torque at
2000rpm
Permissible Peak
Torque at Start
and Stop
Permissible Maximum
Momentary
TorqueReduction
Ratio
Item
Model
No.
Drawings (DXF) can be downloaded from our home page. URL: http://www.HarmonicDrive.net
Speed reducer
Harmonic Drive LLC 12 w w w. H a r m o n i c D r i v e . n e t • 8 0 0 - 9 2 1 - 3 3 3 2
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Edited by Foxit Reader
Copyright(C) by Foxit Software Company,2005-2007
For Evaluation Only.
• Robots
• Humanoid robots
• Metal machine tools
• Metal working machines
• Printing, bookbinding and paper processing
machines
• Wood, light metal and plastic machine tools
• Printed circuit board manufacturing machines
Main Application Ta
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