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AK45-10 KV75

Available points：200 Points ▏ Points reward：155 Points

• More compact actuator
• Lightweight design with strong power output
• Supports both servo and motion control (MIT) modes
• Adaptive PID configuration
• Ideal for compact applications such as humanoid wrist joints

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Product Description

The CubeMars AK45-10 KV75 robotic actuator integrates a brushless DC motor, 10:1 planetary gearbox, and driver board into a compact, easy-to-install unit. It balances responsive speed and torque output, supports servo / motion control (MIT) hybrid mode, features plug-in connectors and automatic PID parameter identification, and includes built-in protection against overcurrent, overvoltage/undervoltage, and overheating, ensuring stable and reliable operation in complex environments.

Core Specifications

Motor Dimensions: Ф53*43mm
Motor Weight: 260g
Peak Torque: 7Nm
No-load Speed: 180rpm

Product Highlights

Ultra-lightweight Design: Weighs only approximately 260g, ideal for applications with strict weight requirements
High Torque Density: Delivers 7 Nm peak torque in an extremely lightweight package, achieving a maximum torque density of approximately 26.9 Nm/kg
Three-in-One Integration: Integrated design of motor, gearbox, and driver board greatly simplifies wiring and mechanical integration
Flexible Control: Supports dual control modes—servo and motion control—for adaptability to different control strategies and applications
Plug-and-Play: Connector-based interface reduces installation and maintenance complexity
Comprehensive Protection: Built-in overcurrent, overvoltage/undervoltage, and overtemperature protection enhances system reliability

Packaging Contents

AK45-10 KV75 Actuator x1
Power Cable x1
Serial CAN Cable x1
Certificate of Conformance x1

Related Accessories

R-link V2.0
Driver Board MINI Board
Wiring Package V2.0

HIGHLY INTEGRATED POWER MODULE

COMPACT,POWERFUL

COMPACT POWERFUL

AK40-10/45-10/45-36

POWERFUL PERFORMANCE,
THREE-IN-ONE

Combining the motor, planetary gearbox, and driver into one unit. Highly integrated, saving more installation space.

LIGHTWEIGHT
DESIGN, EFFICIENT OPERATION

Comining efficiency and power

260g

WEIGHT

7N.m

PEAK TORQUE

26.9N·m/kg

MAXIMUM TORQUE DENSITY

LOW-NOISE OPERATION
POWERFUL PERFORMANCE

Powerful drive / Ultra-Smooth motion / Precision control within 0.1°

Ultra-Smooth Motion

Precision Control

Precision Control
Within 0.1°

PLANETARY GEAR
REDUCTION RATIO 10:1

Backlash control 15 arc

INTEGRATED WIRING
PLUG & PLAY

Technical Drawing

Specification

Application	Legged Robot,Exoskeleton,AGV	Peak torque (Nm)	7
Driving way	FOC	Peak current (ADC)	5
Operation ambient temperature	-20℃~50℃	No-load speed (rpm)	180
Winding Type	Delta	KV (rpm/V)	75
Insulation Level	C	KT (Nm/A)	0.127
Insulation High-voltage	500V 5mA/2s	KE (V/krpm)	13.33
Insulation resistance	500V10MΩ	Phase to phase resistance (mΩ)	2200
Number of Slots	24	Phase to phase Inductance (μH)	1330
Pole Pairs	14	Rotor Inertia (gcm²)	89
Reduction Ratio	10:1	Motor constant(Nm/√W)	0.0858
Back drive (Nm)	0.1N.M	Mechanical Time Constant (ms)	0.6
Backlash (arcmin)	18	Maximum Torque Density(Nm/kg)	26.9
Temperature sensor	NTC MF51B 103F3950	CAN connector	A1257WR-S-3P
Noise dB (65CM away the motor)	60	UART connector	A1257WR-S-3P
Basic dynamic load rating Cr(N)	2810	Power connector	XT30PW-M
Basic static load rating Cor(N)	2760	Inner loop encoder type	Magnetic
Rated voltage (V)	24	Inner ring encoder resolution	14bit
Rated torque (Nm)	2.5	Outer ring encoder type	/
Rated speed (rpm)	150	Outer ring encoder resolution	/
Rated current (ADC)	2.1	Number of encoder	1
Weight (g)	260

Analysis Chart

Product Comparison

category	Model	Rated Voltage (V)	Rated Power (W)	Rated Torque (Nm)	Rated Current (A)	Rated Speed (RPM)	Peak Torque (Nm)	Peak Current (A)	No-load Speed (RPM)	Reduction Ratio	Weight (G)	Size (diameter *length) MM	Driver Board	Encoder
AK Series Robotic Actuator	AK10-9 V3.0 KV60	48	442	18	10.7	235	53	31.9	320	9:1	940	Ф98*61.7	Yes	Dual
AK Series Robotic Actuator	AK10-9 V2.0 KV60	24/48	430	18	10.6	109/228	48	29.8	160/320	9:1	960	Ф98*61.7	Yes	Dual
AK Series Robotic Actuator	AK10-9 V2.0 KV100	24/48	720	15	16.2	205/421	38	41.2	266/533	9:1	960	Ф98*61.7	Yes	Dual
AK Series Robotic Actuator	AK80-9 V3.0 KV100	48	368	9	12	390	22	28	570	9:1	490	Ф98*38.5	Yes	Single
AK Series Robotic Actuator	AK80-9 KV100	48	330	9	10.3	390	18	22.3	533	9:1	485	Ф98*38.5	Yes	Single
AK Series Robotic Actuator	AK80-8 KV60	48	230	10	6.9	243	25	21	360	8:1	570	Ф98*43.9	Yes	Dual
AK Series Robotic Actuator	AK80-6 KV100	48	340	6	9.7	603	12	20	800	6:1	485	Ф98*38.5	Yes	Single
AK Series Robotic Actuator	AK80-64 KV80	24/48	220	48	7	23/48	120	19	37/75	64:1	850	Ф98*61.9	Yes	Single
AK Series Robotic Actuator	AK70-10 KV100	24/48	230	8.3	7.2	148/310	24.8	23.2	240/480	10:1	521	Ф89*50.25	Yes	Single
AK Series Robotic Actuator	AK70-9 KV60	48	230	8.5	6.25	260	29.2	23.8	320	9:1	540	Ф89*46	Yes	Dual
AK Series Robotic Actuator	AK60-6 V3.0 KV80	24/48	74	3	3.8	233/490	9	10.3/11.2	320/640	6:1	380	Ф79*43	Yes	Single
AK Series Robotic Actuator	AK60-39 V3.0 KV80	48	176	24	4.5	70	72	17	98	39:1	750	Ф79*67	Yes	Dual
AK Series Robotic Actuator	AK60-6 V1.1 KV140	24	130	3	6.5	420	9	22.7	560	6:1	368	Ф79*39.5	Yes	Single
AK Series Robotic Actuator	AK60-6 V1.1 KV80	24	74	3	3.8	233	9	13.1	320	6:1	368	Ф79*39.5	Yes	Single
AK Series Robotic Actuator	AK45-36 KV80	24	33	8	2	40	24	6.5	52	36:1	340	φ55*54	Yes	Single
AK Series Robotic Actuator	AK40-10 KV170	24	59	1.3	2.7	370	4.1	7.3	435	10:1	200	φ53*37	Yes	Single
AK Series Robotic Actuator	AK45-10 KV75	24	39	2.5	2.1	150	7	5	180	10:1	260	Ф53*43	Yes	Single
AKE Series Robotic Actuator	AKE90-8 KV35	48	700	55	21	120	170	72	210	8:1	1400	Ф107.5*43.5	No
AKE Series Robotic Actuator	AKE80-8 KV30	48	188	12	4.8	150	30	12	195	8:1	570	Ф87*32	No
AKE Series Robotic Actuator	AKE60-8 KV80	24	95	5	4.8	180	12.5	12	240	8:1	260	Ф69*25	No
AKA Series Robotic Actuator	AKA10-9 KV60	48	205	18	10.6	109	53	32	320	9:1	1060	∅100*70	Yes	Single
AKA Series Robotic Actuator	AKA60-6 KV80	24/48	62	3	4	200/400	9	11.2	320/640	6∶1	460	Ф80*51.2	Yes	Single

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