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LHTM52 Series 52MM Frameless Torque Motor/Inner Rotor / Robot Dog / Dexterous Hand / Joint Module

Linghu offers frameless torque motors with a hollow direct-drive configuration that excludes traditional housings, bearings, and end caps. These motors are characterized by superior positioning accuracy, extremely low cogging torque, and enhanced overload capability. Custom engineering services are available to satisfy diverse project requirements. Typical applications include robotics, automotive equipment, semiconductor manufacturing, and precision automation systems.
Availability:
Quantity:
  • 52

Product Advantage

Frameless brushless DC robot joint motors are designed for maximum integration with your assembly systems, minimizing waste and redundancy. We offer a variety of sizes and performance levels for our customers to choose from.

  • High integration, high torque density

  • High efficiency, using encoders for feedback (magnetic or inductive)

  • Low cogging effect – unique magnetic circuit design reduces cogging effect

Technical Parameters

Model

5230

Performance Item

Parameter Value

Stator Outer Diameter [mm]

52

Stator Overall Length [mm]

30

Stator Stack Length [mm]

22

Rotor Inner Diameter [mm]

32

Rotor Overall Length [mm]

23

Voltage [Vdc]

48

Rated Power [W]

233

Rated Torque [N·m]

0.585

Rated Current [Arms]

6

Rated Speed [RPM]

3800

Peak Current [Arms]

18

Peak Torque [N·m]

1.76

Peak Speed [rpm]

5500

Torque Constant [N·m/Arms]

0.1

Rotor Moment of Inertia [kg·cm²]

0.13

Back EMF Constant [V/Krpm]

8.9

Line Resistance @ 20°C [Ω]

-

Line Inductance @ 1 kHz [mH]

-

Number of Pole Pairs [p]

14

外形图-LHTM5220-无框力矩电机.png

Application

Packaging: Designed for high-speed automated packaging lines, Linghu frameless torque motors feature fast dynamic response and compact embedded installation. It supports frequent forward and reverse rotation, stable variable-speed operation, and adapts to bag-sealing, cutting and sorting procedures for diversified packaging materials.

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FAQ

Q1: Can your frameless torque motors be customized for different voltage, torque and dimension requirements?

Answer: Our full frameless torque motor portfolio supports standardized ODM and OEM engineered customization. Adjustable parameters include operating voltage, continuous&peak torque, bore size, stack length and winding schemes. We offer engineered sample validation and serial production to meet clients’ bespoke mechanical and motion system specifications.

Q2: Which typical application scenarios are frameless torque motors most suitable for?

Answer: These high-precision frameless direct-drive motors are engineered for high-end industrial and precision fields, covering humanoid robot joints, medical automation, optical precision turntables, aerospace actuation units and semiconductor precision handling automated equipment.

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