SHT High Precision Harmonic Gearbox

CORNER TYPE Collaborative Robot Joint Module
The SHT series boasts a hollow, flanged barrel framework, characterized by a tidy and streamlined overall design. It features a straightforward and elegant build. The series employs high-rigidity cross roller bearings to connect the flexible and rigid wheels, resulting in a modular product that is simple to maneuver.
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PRODUCT FEATURES

The design is streamlined and efficient, with a focus on compactness. The input and output shafts are aligned in a coaxial arrangement. The system is engineered to eliminate any backlash, ensuring a seamless operation. It delivers outstanding precision in positioning and consistent repeatability.

PRODUCT ADVANTAGES

  1. SHT-I/II: This model is more compact and offers two methods of connection, allowing for a direct attachment of the motor to the gearbox, simplifying the installation process.
  2. SHT-III: It features a large-diameter hollow shaft with integrated support bearings, enclosed in a fully sealed design. This is ideal for scenarios where wires must pass through the center of the harmonic gearbox
  3. SHT-IV: The wave generator cam is incorporated with the input shaft, making it suitable for various input configurations and situations where bevel gears or timing belts need to be fitted at the input end.
  4. SHT-V: Building on the SHT-III series, this model provides the flexibility for users to redesign the gearbox to achieve a lighter weight and thinner profile without altering its inherent properties.

PRODUCT DESCRIPTION

The SHT Series incorporates a hat-shaped flexspline. It is categorized into five distinct versions: SHT-I, SHT-II, SHT-III, SHT-IV, and SHT-V.

Variations Among the SHT Harmonic Reduction Units:

SHT-I: Equipped with a uni-body type wave generator.

SHT-II: Features a cross-slider type wave generator.

SHT-III: Characterized by a large bore with a hollow hole.

SHT-IV: Designed for shaft input type.

SHT-V: Represents the simplified type within the series.

SPECIFICATIONS

Specification of High Precision and Light Weight Harmonic Drive Rated Parameters

Model Reduction ratio Rated torque at 2000r/min input Permissible peak torque at start and stop Permissible maximum value for average load torque Permissible maximum momentary torque Permissible maximum input rotational speed Permissible average input rotational speed Backlash Weight Design life
Grease Grease
Nm kgfm Nm kgfm Nm kgfm Nm kgfm r/min r/min Arc Sec kg Hour
8 50 1.8 0.18 3.3 0.34 2.3 0.23 6.6 0.67 8500 3500 ≤40 LSN-I:0.08 10000
100 2.4 0.24 4.8 0.49 3.3 0.34 9.0 0.92 10000
11 50 3.5 0.36 8.3 0.85 5.5 0.56 17 1.73 8500 3500 ≤30 LSS-I:0.25 LSN-I:0.17 10000
80 4.5 0.46 9.9 1.01 8.0 0.82 22.5 2.30 10000
100 5 0.51 11 1.12 8.9 0.91 25.0 2.55 10000
14 50 5.4 0.55 18 1.8 6.9 0.7 35 3.6 8500 3500 ≤20 LSS-I/II:0.51 LSS-C:0.09 LSN-I/II:0.39 LSSF-I:0.51 10000
80 7.8 0.8 23 2.4 11 1.1 47 4.8 15000
100 7.8 0.8 28 2.9 11 1.1 54 5.5 15000
120 7.8 0.8 28 2.9 11 1.1 54 5.5 15000
17 50 16 1.6 34 3.5 26 2.6 70 7.1 7300 3500 ≤20 LSS-I/II:0.67 LSS-C:0.15 LSN-I/II:0.52 LSSF-I:0.67 10000
80 22 2.2 43 4.4 27 2.7 87 8.9 15000
100 24 2.4 54 5.5 39 4 108 11 15000
120 24 2.4 54 5.5 39 4 86 8.8 15000
20 50 25 2.5 56 5.7 34 3.5 98 10 6500 3500 ≤20 LSS-I/II:0.96 LSS-C:0.28 LSN-I/II:0.73 LSSF-I:0.96 10000
80 34 3.5 74 7.5 47 4.8 127 13 15000
100 40 4.1 82 8.4 49 5 147 15 15000
120 40 4.1 87 8.9 49 5 147 15 15000
160 40 4.1 92 9.4 49 5 147 15 15000
25 50 39 4 98 10 55 5.6 186 19 5600 3500 ≤20 LSS-I/II:1.46 LSS-C:0.42 LSN-I/II:1.14 LSSF-I:1.46 10000
80 63 6.4 137 14 87 8.9 255 26 15000
100 67 6.8 157 16 108 11 284 29 15000
120 67 6.8 167 17 108 11 304 31 15000
32 50 76 7.8 216 22 108 11 382 39 4800 3500 ≤20 LSS-I/II:3.11 LSS-C:0.89 LSN-I/II:2.47 10000
80 118 12 304 31 167 17 568 58 15000
100 137 14 333 34 216 22 647 66 15000
120 137 14 333 36 216 22 686 70 15000
40 50 137 14 402 41 196 20 686 70 4000 3000 ≤20 LSS-I/II:4.6 LSS-C:1.7 LSN-I/II:3.64 LSSF-I:4.6 10000
80 206 21 519 53 284 29 980 100 15000
100 265 27 568 58 372 38 1080 110 15000
120 294 30 617 63 451 46 1180 120 15000

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