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China factory - Shenzhen Seninter Precision Machinery Co.,Ltd.

Shenzhen Seninter Precision Machinery Co.,Ltd.

  • China,Shenzhen ,Guangdong
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  3. SYBD Series Brake Harmonic Drive for Cobot Joints
China SYBD Series Brake Harmonic Drive for Cobot Joints
China SYBD Series Brake Harmonic Drive for Cobot Joints

  1. China SYBD Series Brake Harmonic Drive for Cobot Joints

SYBD Series Brake Harmonic Drive for Cobot Joints

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Ratio 50/80/100/120/160
Brand Name SENINTER
Place of Origin CHINA
Model Number SYBD Series Brake Harmonic Drive
Certification CE ROHS

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Product Specification

Ratio 50/80/100/120/160 Brand Name SENINTER
Place of Origin CHINA Model Number SYBD Series Brake Harmonic Drive
Certification CE ROHS


"Brake and Harmonic Drive"?

A "brake and harmonic drive" is not a single product, but rather an integrated solution where a braking device is built into the harmonic drive or mounted on its input/output end.

There are two main forms of this integrated design:

  1. Integrated Product : A highly compact module that integrates a harmonic drive with an electromagnetic brake or other components.

  2. System Combination : A separate brake installed within a transmission system that already includes a harmonic drive, to achieve a specific function.Core Working Principle

Harmonic drives themselves achieve high reduction ratios and precision through the elastic deformation of a flex spline. The logic of adding a brake is clever, primarily in two ways:

  1. Input-Side Braking : The brake is installed on the high-speed side (e.g., the motor). Due to the lever principle, only a small braking torque is required here. However, through the harmonic drive's reduction ratio (e.g., 160:1), this is amplified into a huge holding torque on the output side – a "four-ounce to a thousand-pound" effect.

  2. Output-Side Braking : The brake acts directly on the low-speed side. This is mainly used to maintain joint posture in devices like robots when power is lost, preventing sagging due to gravity.

Key Application Areas

Thanks to its precision, compactness, and efficiency, this combination is widely used in high-end equipment:

  • Robotics : Joint modules for industrial robots, collaborative robots (cobots), and humanoid robots – the most common application.

  • Transportation : High-speed disc brake systems for bicycles, and electronic mechanical brake (EMB) systems for commercial vehicles.

  • Specialized Equipment : Subsea tools (e.g., for 3,000-meter depths), and high-precision drive joints in aerospace equipment.


Integrated Brake-Harmonic Drive

Harmonic drive and electromagnetic brake integrated design
Easy to install and maintain, highly integrated, shortens axial dimension, suitable for compact spaces.

I. Structural Composition

The integrated brake-harmonic drive mainly consists of a harmonic drive and an electromagnetic brake.

The brake coil part is embedded into the harmonic drive housing, thereby reducing the overall length and weight.

The square hub of the brake is connected to the shaft of the wave generator.

  • When the brake is de-energized (power off) , the brake locks the shaft of the wave generator, stopping its rotation.

  • When the brake is energized (power on) , the brake is released, allowing the wave generator to rotate freely.


Dimensional Drawings


Specifications & Performance

Model ØA (mm) ØB (mm) ØC (mm) ØD (mm) ØE (mm) ØF (mm) ØG (mm) ØH (mm) Tn (mm) T (mm) L1 (mm) L2 (mm) L3 (mm) L4 (mm) L5 (mm) L6 (mm) L7 (mm) Reduction Ratio Rated Torque (N·m) Max Start-Stop Torque (N·m) Average Load Torque (N·m) Peak Instantaneous Torque (N·m) Max Input Speed (RPM) Transmission Accuracy (arc sec) Backlash (arc sec) Brake Over-Excitation Voltage (V) Over-Excitation Power (W) Over-Excitation Current (A) Steady-State Voltage (V) Steady-State Power (W) Steady-State Current (A) Brake Backlash (°) Total Weight (kg)
SYD14 70 62 8 11 16 17 59.5 60 8 3.5 84.35 39.8 36.5 14 20.5 10.05 9.5 50 6.6 23 8.6 43 6000 <90 <90 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 0.85
SYD14 70 62 8 11 16 17 59.5 60 8 3.5 84.35 39.8 36.5 14 20.5 10.05 9.5 80 9.6 29 13.5 57 6000 <90 <90 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 0.85
SYD14 70 62 8 11 16 17 59.5 60 8 3.5 84.35 39.8 36.5 14 20.5 10.05 9.5 100 9.6 34 13.5 66 6000 <90 <90 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 0.85
SYD17 80 64 9 12 22 25 67 66.5 16 3.5 91.5 49.5 45.5 15 23 11.1 9.5 50 19.8 42 32 86 6000 <90 <90 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 1.2
SYD17 80 64 9 12 22 25 67 66.5 16 3.5 91.5 49.5 45.5 15 23 11.1 9.5 80 27.5 53 33 108 6000 <90 <90 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 1.2
SYD17 80 64 9 12 22 25 67 66.5 16 3.5 91.5 49.5 45.5 15 23 11.1 9.5 100 30 66 49 134 6000 <90 <90 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 1.2
SYD17 80 64 9 12 22 25 67 66.5 16 3.5 91.5 49.5 45.5 15 23 11.1 9.5 120 30 66 49 107 6000 <90 <90 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 1.2
SYD20 90 82 11 13 28 30 74 76 16 3.5 98.6 59.1 55.5 15 24.5 11.5 9.5 50 32 69 42 121 6000 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 1.44
SYD20 90 82 11 13 28 30 74 76 16 3.5 98.6 59.1 55.5 15 24.5 11.5 9.5 80 42 91 58 158 6000 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 1.44
SYD20 90 82 11 13 28 30 74 76 16 3.5 98.6 59.1 55.5 15 24.5 11.5 9.5 100 50 102 61 182 6000 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 1.44
SYD20 90 82 11 13 28 30 74 76 16 3.5 98.6 59.1 55.5 15 24.5 11.5 9.5 120 50 108 61 182 6000 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 1.44
SYD20 90 82 11 13 28 30 74 76 16 3.5 98.6 59.1 55.5 15 24.5 11.5 9.5 160 50 113 61 230 6000 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 1.44
SYD25 110 98 12 14 28 35 82 83.5 16 4.5 117.3 70.3 67.4 21 26 17.2 12 50 48 121 68.5 230 5500 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 2.55
SYD25 110 98 12 14 28 35 82 83.5 16 4.5 117.3 70.3 67.4 21 26 17.2 12 80 78 169 107 315 5500 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 2.55
SYD25 110 98 12 14 28 35 82 83.5 16 4.5 117.3 70.3 67.4 21 26 17.2 12 100 84 194 133 356 5500 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 2.55
SYD25 110 98 12 14 28 35 82 83.5 16 4.5 117.3 70.3 67.4 21 26 17.2 12 120 84 207 133 376 5500 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 2.55
SYD25 110 98 12 14 28 35 82 83.5 16 4.5 117.3 70.3 67.4 21 26 17.2 12 160 84 217 133 388 5500 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 2.55
SYD32 142 115 13 15 44 45 123.5 123.5 16 4.5 136.5 85.2 80.5 22 32 12.95 12 50 94 267 133 472 4500 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 4
SYD32 142 115 13 15 44 45 123.5 123.5 16 4.5 136.5 85.2 80.5 22 32 12.95 12 80 146 376 206 702 4500 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 4
SYD32 142 115 13 15 44 45 123.5 123.5 16 4.5 136.5 85.2 80.5 22 32 12.95 12 100 169 411 267 800 4500 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 4
SYD32 142 115 13 15 44 45 123.5 123.5 16 4.5 136.5 85.2 80.5 22 32 12.95 12 120 169 436 267 848 4500 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 4
SYD32 142 115 13 15 44 45 123.5 123.5 16 4.5 136.5 85.2 80.5 22 32 12.95 12 160 169 459 267 848 4500 <60 <60 24/48 16.5/24 0.688/0.5 7/18 1.4/3.4 0.2/0.19 2 4


Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer

  • Year Established:

    2017

  • Total Annual:

    10 million USD-15million USD

  • Employee Number:

    100~300

  • Ecer Certification：

    Verified Supplier

Shenzhen Seninter Precision Machinery Co., Ltd. integrates R&D, production, sales and after-sales services. We specialize in the R&D and manufacturing of AC motors, DC motors, servo motors, brushless motors, gearboxes, geared motors and harmonic reducers, as well as supporting components for... Shenzhen Seninter Precision Machinery Co., Ltd. integrates R&D, production, sales and after-sales services. We specialize in the R&D and manufacturing of AC motors, DC motors, servo motors, brushless motors, gearboxes, geared motors and harmonic reducers, as well as supporting components for...

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  • Shenzhen Seninter Precision Machinery Co.,Ltd.
  • Shenzhen, Guangdong, P.R.China
  • https://www.seninter.com/

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