FM1 Cost Effective Frameless Brushless DC (BLDC) Motors

FM1 Cost Effective Frameless Brushless DC (BLDC) Motors

●  Introduction

HONPINE FM1 Frameless Brushless DC (BLDC) Motors are compact, high-performance, and cost-effective products. Available in four sizes (φ50mm–φ115mm), with rated speeds ranging from 650 rpm to 5250 rpm, torque from 0.3 Nm to 9.32 Nm, and power from 165 W to 920 W. Rated voltages range from 24 V to 70 V, with optional Hall sensors, temperature sensors, and wiring configurations. They are widely used in collaborative robots, humanoid robots, quadruped robots, and medical rehabilitation robots.
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Features

●Ultra-High Torque Density

Torque increases by 10% under the same input current, leading the industry.



●Extended Endurance

Optimized magnetic circuits and material selection reduce motor losses and prolong operational time.



●Ultra-Compact Structure

Removal of the housing and redundant components reduces volume by 40–50% compared to industry standards, better suited for high-density layouts.



●Ultra-Low Inertia

Lightweight design and innovative use of composite materials enable rapid dynamic response, ideal for high-frequency start-stop scenarios.



●Ultra-Low Temperature Rise

Optimized magnetic circuit design reduces motor losses by 20%, significantly improving energy conversion efficiency.



●Easy Integration

Compact design allows flexible installation and seamless embedding into various mechanical systems, accelerating development and improving performance.

Specification

FM1 Frameless Torque Motor Selection Reference

Standard
FM1
FM1-050080.365006.6024-70165
FM1-050140.550006.5624-70191
FM1-070100.6250006.6724-70237
FM1-070181.22480013.324-70256
FM1-085131.41400012.424-70458
FM1-085232.51400021.224-70920
FM1-115253.2200015.524-70603
FM1-115509.51150032.224-70617


FM1 050

Product
Specification
Rated Power
(w)
Rated Voltage
(VDC)
Rated Current
(A)
Rated Torque
(Nm)
Maximum Torque
(Nm)
Rated Speed
(rpm)
Voltage Constant
(V/krpm)
Torque Constant
(Nm/A)
Inertia
(kgm²*10-4)
Weight
(kg)
08165486.600.30.952503.360.0560.0880.089
14191486.560.51.536505.510.0910.120.139


FM1 070

Product
Specification
Rated Power
(w)
Rated Voltage
(VDC)
Rated Current
(A)
Rated Torque
(Nm)
Maximum Torque
(Nm)
Rated Speed
(rpm)
Voltage Constant
   (V/krpm)
Torque Constant
(Nm/A)
 Inertia
(kgm²*10-4)
Weight
(kg)
10237486.670.621.8636506.50.1080.320.216
182564813.31.223.6620006.450.1070.490.332


FM1 085

Product
Specification
Rated Power
(w)
Rated Voltage
(VDC)
Rated Current
(A)
Rated Torque
   (Nm)
Maximum Torque
(Nm)
Rated Speed
 (rpm)
Voltage Constant
(V/krpm)
Torque Constant
(Nm/A)
Inertia
(kgm²*10-4)
Weight
(kg)
134584812.41.414.2331007.710.1280.930.396
239204821.22.517.52350080.1321.40.629


FM1 115

Product
Specification
Rated Power
(w)
Rated Voltage
(VDC)
Rated Current
(A)
Rated Torque
(Nm)
Maximum Torque
(Nm)
Rated Speed
(rpm)
Voltage Constant
(V/krpm)
Torque Constant
(Nm/A)
 Inertia
(kgm²*10-4)
Weight
 (kg)
256034815.53.29.6180013.40.2225.21.17
506174832.29.5128.562018.70.3098.72.09