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Shenzhen Seninter Precision Machinery Co.,Ltd.

  • China,Shenzhen ,Guangdong
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China Square Hub Servo Motor Brake
China Square Hub Servo Motor Brake

  1. China Square Hub Servo Motor Brake
  2. China Square Hub Servo Motor Brake
  3. China Square Hub Servo Motor Brake
  4. China Square Hub Servo Motor Brake

Square Hub Servo Motor Brake

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Max Speed (r/min) 6000RPM
Static Torque (N·m) 0.02-40Nm
Voltage 24V
Place of Origin CHINA
Certification CE ROHS
Brand Name SENINTER

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  1. Product Details
  2. Company Details

Product Specification

Max Speed (r/min) 6000RPM Static Torque (N·m) 0.02-40Nm
Voltage 24V Place of Origin CHINA
Certification CE ROHS Brand Name SENINTER



Technical Parameters

Frame Size Static Torque (N·m) Coil Parameters (20°C) Thermal Class Max Speed (r/min) Moment of Inertia J [kg·m²] Allowable Single Braking Work Eₐₐ (J) Total Braking Work E_T (J) Pull-in Time (ms) Release Time (ms) Backlash (°) Mass (kg)


Voltage (V) Power (W) Current (A) Resistance (Ω)








40 0.32 24 6.6 0.27 87.3 F 6000 1.8×10⁻⁷ 18 3600 40 20 1.5 0.12
40 0.45 24 6.9 0.28 83.5 F 6000 2×10⁻⁷ 18 3600 40 20 1.5 0.12
60 1.5 24 7.6 0.31 76 F 6000 2×10⁻⁶ 120 2.4×10⁴ 50 20 1 0.3
60 1.5 24 8.3 0.34 69.4 F 6000 2×10⁻⁶ 120 2.4×10⁴ 50 20 1 0.35
80 3.2 24 10 0.42 57.6 F 6000 5.4×10⁻⁶ 360 7.2×10⁴ 60 40 1 0.5
80 3.2 24 10 0.42 57.6 F 6000 5.4×10⁻⁶ 360 7.2×10⁴ 60 40 1 0.45
80 3.8 24 11.5 0.48 50.1 F 6000 8.2×10⁻⁶ 360 7.2×10⁴ 60 40 1 0.45
100 6 24 23 0.96 25 F 5000 3.5×10⁻⁵ 500 1×10⁵ 80 40 1 1
110 5.5 24 24.5 1.02 23.5 F 5000 3.45×10⁻⁵ 500 1×10⁵ 100 40 1 0.55
130 6.6 24 21.5 0.9 26.8 F 5000 3.5×10⁻⁵ 800 1.6×10⁵ 110 50 1 1.1
150 10 24 18 0.75 32 F 5000 3.9×10⁻⁵ 1000 2×10⁵ 120 50 1 1.5
180 25 24 31 1.29 18.6 F 5000 3.1×10⁻⁵ 1500 3×10⁵ 120 50 1 2.7
220 40 24 32 1.33 18 F 4000 8.6×10⁻⁴ 2000 3×10⁵ 300 100 1 6















Frame Size Radial Dimensions Axial Dimensions

A B C D E S V F G H I J K W
40 33 26.5 16 9 15 6 3.3 12 0.1 4 19 25.5 30 AWG26
40 35 30 17.2 9.5 15 6 3.3 12 0.2 4 13 20 24.3 AWG26
60 52 45 26 14 24.5 7 3.4 19 2 4 8 20.3 25 AWG22
60 53 46 / 15 24.5 7 3.4 19 / 4 8 18.5 23.5 AWG22
80 64 56 28 22 31 8 4.3 25 0.2 4 16 25.3 30.2 AWG22
80 68 60 28 24 31 8 4.5 25 0.2 4 7.5 19.7 24.5 AWG22
80 70 62 / 19 31 8 4.5 25 / 4 17 17.2 22.3 AWG22
100 85 75 48 32 36 9 4.5 28 0.2 4 / 27 35.8 AWG22
110 93.5 85 / 50.5 55 10 4.5 45 / 4 / 14.3 20.5 AWG20
130 123.5 115 / 62 55 9.5 4.5 45 8 4 28 14.6 24.3 AWG20
150 137.5 130 / 65 60 12 4.5 50 8 4 30 17.6 25 AWG20
180 167.5 158 / 80 74 12 5.5 60 10 4 34 18 25 AWG20
220 185 175 / 100 74 12.5 6.5 60 10 4 34 38 48 AWG20


  • Square Hub Servo Motor Brake

    Standard Square Mounting · Torque from 0.32 to 550 N·m · Zero Torque Degradation at 120°C

    Engineered with a standardized square hub interface, this high‑reliability, power‑off safety brake is purpose‑built for servo‑driven automation equipment. Covering a torque range of 0.32 N·m up to 550 N·m (customizable), it features quick square‑flange alignment, stable torque output even under continuous 120°C conditions, and automated potting and assembly processes that guarantee exceptional batch‑to‑batch consistency – making it the ideal braking solution for precision motion control systems.


    Core Advantages

    1. Standard Square Hub Mounting for Faster Assembly
    The unified square mounting interface enables quick, alignment‑free installation and perfectly matches mainstream servo motor flanges, significantly reducing mechanical development and assembly time. The low‑backlash internal structure ensures ultra‑precise positioning after brake engagement.

    2. Stable Torque at 120°C High Temperature
    Equipped with Class F heat‑resistant coils and an optimized magnetic circuit, the static torque remains stable – with no decay or drift – under continuous 120°C operating conditions. This makes it ideal for high‑temperature workshops, enclosed equipment, and other harsh industrial environments.

    3. Fully Automated Potting & Assembly for Unmatched Consistency
    Our fully automatic production lines handle coil winding, vacuum potting, and final assembly, minimizing manual variability. Every batch delivers consistent resistance, power consumption, and braking performance – eliminating the quality fluctuations often seen with manual assembly.

    4. Self‑Developed High‑Performance Friction Material
    Using our proprietary friction compound, we effectively address two common industry challenges: long‑term powder shedding and abnormal braking noise. Excellent wear resistance extends service life, especially in frequent start‑stop applications.

    5. Complete Standard Series Plus Flexible Customization

    • Standard frame sizes: 40 / 60 / 80 / 100 / 110 / 130 / 150 / 180 / 220

    • Standard static torque: 0.32 – 40 N·m; custom high torque up to 550 N·m available

    • Standard coil voltage: DC 24V, low steady‑state holding power

    • Maximum speed up to 6000 r/min; high single‑cycle and total braking energy capacity for heavy‑duty, frequent braking demands


    Working Principle

    This power‑off electromagnetic brake remains released when energized. Upon power loss, the built‑in spring instantly presses the friction plate against the rotor hub, providing reliable shaft locking to prevent equipment runaway. It offers critical safety protection for servo systems during power failures or emergency stops.


    Typical Applications

    ✅ Collaborative robot joints & miniature servo modules
    ✅ CNC machine tools & precision machining spindles
    ✅ AGV / AMR logistic mobile robots
    ✅ Medical automation & optical inspection equipment
    ✅ New energy production line automation
    ✅ Semiconductor compact transmission mechanisms


Available in 40–220 frame sizes; torque, dimensions, and voltage can be tailored to your needs. Contact us for more information.








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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