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Strain Wave Gearing
Strain Wave Gearing

Strain Wave Gearing

Most of the teeth of Hansheng's harmonic gear reducer are continuously meshed, with the two meshing zones being 180° apart. This means that the effects of pitch errors and accumulated pitch errors on rotational accuracy are canceled out, thus ensuring high positional and rotational accuracy.
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Product Catalog
Contents
  1. Preface
  2. Hat Shape SHF Series Harmonic Drive
    1. Spindling Adjustable Type (SHF-I)
    2. Hollow Type (SHF-II)
    3. Integrated Type (SHF-III)
    4. Shaft Input Type (SHF-IV)
  3. FAQ

Preface

Most of the teeth of Hansheng's harmonic gear reducer are continuously meshed, with the two meshing zones being 180° apart. This means that the effects of pitch errors and accumulated pitch errors on rotational accuracy are canceled out, thus ensuring high positional and rotational accuracy.

 

Hat Shape SHF Series Harmonic Drive

There are four types of harmonic reducer SHF series offered by Hansheng, the first one is spindling adjustable type (SHF-I), the second one is hollow type (SHF-II), the third one is integrated type (SHF-III). The last one is the shaft-input type (SHF-IV), which can satisfy the different needs and applications of customers. The spindle adjustable type (SHF-I) is characterized by compactness, high torque capacity, and high rigidity, and the waveform generator automatically adjusts the spindle for ease of use. The hollow type (SHF-II) is characterized by compactness, high torque capacity, rigidity, and a large-diameter central opening structure. The integrated type (SHF-III) is characterized by compact design, high torque capacity, high rigidity, and wave generator plane integration type. The shaft input type (SHF-IV) is characterized by compact design, high torque capacity, high rigidity, and coaxial input and output.

 

Harmonic-Drive-SHF-Series-I
Harmonic-Drive-SHF-Series-II
Harmonic-Drive-SHF-Series-III
Harmonic-Drive-SHF-Series-IV

 

Spindling Adjustable Type (SHF-I)

SHF-I Spindle Adjustable Type Ration Rated Torque in Input2000r/min (N.m) Allowable Peak Torque When Start Stop (N.m) Max Value of Average Loading Torque (N.m) Instantaneous Allowable Max Torque (N.m) Allowable Highest Input Speed  (r/min) Allowable Average Input Speed  (r/min) Backlash Arc sec Design Life hour
SHF-14-I 30 3.8 8.6 7.8 16 8000 3500 ≤20 10000
50 5.1 17 6.6 33 ≤20 10000
80 7.4 22 10.5 45 ≤10 15000
100 7.4 27 10.5 51 ≤10 15000
SHF-17-I 30 8.4 15.2 11.5 29 7000 3500 ≤20 10000
50 15.2 32 25 66 ≤20 10000
80 21 41 26 83 ≤10 15000
100 23 52 38 108 ≤10 10000
SHF-20-I 30 14 26 19 48 6000 3500 ≤20 10000
50 24 53 32 93 ≤20 10000
80 32 70 45 121 ≤10 15000
100 38 78 47 140 ≤10 15000
120 38 83 47 140 ≤10 15000
SHF-25-I 30 26 48 36 90 5500 3500 ≤20 10000
50 37 93 52 177 ≤20 10000
80 60 130 83 242 ≤10 15000
100 64 149 103 270 ≤10 15000
120 64 159 103 289 ≤10 15000
160 64 167 103 298 ≤10 15000
SHF-32-I 50 72 205 103 363 4500 3500 ≤20 10000
80 112 289 159 540 ≤10 15000
100 130 325 208 635 ≤10 15000
120 130 335 205 652 ≤10 15000

 

Hollow Type (SHF-II)

SHF-II Hollow Type Ration Rated Torque in Input2000r/min (N.m) Allowable Peak Torque When Start Stop (N.m) Max Value of Average Loading Torque (N.m) Instantaneous Allowable Max Torque (N.m) Allowable Highest Input Speed (r/min) Allowable Average Input Speed (r/min) Backlash Arc sec Design Life hour
SHF-14-II 30 3.8 8.6 7.8 16 8000 3500 ≤20 10000
50 5.1 17 6.6 33 ≤20 10000
80 7.4 22 10.5 45 ≤10 15000
100 7.4 27 10.5 51 ≤10 15000
SHF-17-II 30 8.4 15.2 11.5 29 7000 3500 ≤20 10000
50 15.2 32 25 66 ≤20 10000
80 21 41 26 83 ≤10 15000
100 23 52 38 108 ≤10 10000
SHF-20-II 30 14 26 19 48 6000 3500 ≤20 10000
50 24 53 32 93 ≤20 10000
80 32 70 45 121 ≤10 15000
100 38 78 47 140 ≤10 15000
120 38 83 47 140 ≤10 15000
SHF-25-II 30 26 48 36 90 5500 3500 ≤20 10000
50 37 93 52 177 ≤20 10000
80 60 130 83 242 ≤10 15000
100 64 149 103 270 ≤10 15000
120 64 159 103 289 ≤10 15000
160 64 167 103 298 ≤10 15000
SHF-32-II 50 72 205 103 363 4500 3500 ≤20 10000
80 112 289 159 540 ≤10 15000
100 130 325 208 635 ≤10 15000
120 130 335 205 652 ≤10 15000

 

Integrated Type (SHF-III)

SHF-III Integrated Type Ration Rated Torque in Input2000r/min (N.m) Allowable Peak Torque When Start Stop (N.m) Max Value of Average Loading Torque (N.m) Instantaneous Allowable Max Torque (N.m) Allowable Highest Input Speed  (r/min) Allowable Average Input Speed  (r/min) Backlash Arc sec Design Life hour
SHF-14-III 30 3.8 8.6 7.8 16 8000 3500 ≤20 10000
50 5.1 17 6.6 33 ≤20 10000
80 7.4 22 10.5 45 ≤10 15000
100 7.4 27 10.5 51 ≤10 15000
SHF-17-III 30 8.4 15.2 11.5 29 7000 3500 ≤20 10000
50 15.2 32 25 66 ≤20 10000
80 21 41 26 83 ≤10 15000
100 23 52 38 108 ≤10 10000
SHF-20-III 30 14 26 19 48 6000 3500 ≤20 10000
50 24 53 32 93 ≤20 10000
80 32 70 45 121 ≤10 15000
100 38 78 47 140 ≤10 15000
120 38 83 47 140 ≤10 15000
SHF-25-III 30 26 48 36 90 5500 3500 ≤20 10000
50 37 93 52 177 ≤20 10000
80 60 130 83 242 ≤10 15000
100 64 149 103 270 ≤10 15000
120 64 159 103 289 ≤10 15000
160 64 167 103 298 ≤10 15000
SHF-32-III 50 72 205 103 363 4500 3500 ≤20 10000
80 112 289 159 540 ≤10 15000
100 130 325 208 635 ≤10 15000
120 130 335 205 652 ≤10 15000

 

Shaft Input Type (SHF-IV)

SHF-IV Shaft input Type Ration Rated Torque in Input2000r/min (N.m) Allowable Peak Torque When Start Stop (N.m) Max Value of Average Loading Torque (N.m) Instantaneous Allowable Max Torque (N.m) Allowable Highest Input Speed (r/min) Allowable Average Input Speed (r/min) Backlash Arc sec Design Life hour
SHF-14-IV 30 3.8 8.6 7.8 16 8000 3500 ≤20 10000
50 5.1 17 6.6 33 ≤20 10000
80 7.4 22 10.5 45 ≤10 15000
100 7.4 27 10.5 51 ≤10 15000
SHF-17-IV 30 8.4 15.2 11.5 29 7000 3500 ≤20 10000
50 15.2 32 25 66 ≤20 10000
80 21 41 26 83 ≤10 15000
100 23 52 38 108 ≤10 10000
SHF-20-IV 30 14 26 19 48 6000 3500 ≤20 10000
50 24 53 32 93 ≤20 10000
80 32 70 45 121 ≤10 15000
100 38 78 47 140 ≤10 15000
120 38 83 47 140 ≤10 15000
SHF-25-IV 30 26 48 36 90 5500 3500 ≤20 10000
50 37 93 52 177 ≤20 10000
80 60 130 83 242 ≤10 15000
100 64 149 103 270 ≤10 15000
120 64 159 103 289 ≤10 15000
160 64 167 103 298 ≤10 15000
SHF-32-IV 50 72 205 103 363 4500 3500 ≤20 10000
80 112 289 159 540 ≤10 15000
100 130 325 208 635 ≤10 15000
120 130 335 205 652 ≤10 15000

 

FAQ

 

Q: What is Strain Wave Gearing?

A: Strain Wave Gearing is a high-precision reduction gearbox that enables high-precision rotation, and its greatest advantage is that it enables high torque output. The gearbox mainly consists of an oscillator and a flexible gear, and their interaction enables high-precision motion.

Q: How does Strain Wave Gearing work?

A: Strain Wave Gearing works by rotating the oscillator to move the flexible gear. The flexible gears are carried by internal teeth, which are connected to steel ball bearings inside the oscillator. As the oscillator rotates, the teeth of the flexible gear are compressed and some deformation occurs, which causes the output shaft to have a different rotational speed than the input shaft.

Q: What are the advantages of Strain Wave Gearing over other types of gearboxes?

A: Strain Wave Gearing has higher output torque and accuracy than other types of gearboxes. The better load sharing capability of its output gears and the ability to achieve very low reverse motion errors make it ideal for applications requiring high rotational accuracy.

 

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