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FAULHABER: DC-Micromotor 1524E018S + 16A 5752:1 Gearbox Combination

FAULHABER DC-Micromotors differ from conventional iron core DC motors in that the rotor consists of a self-supporting, skew wound copper coil.

Among the inherent properties of this pioneering design are an extremely low rotor inertia and zero cogging or preferred rotor position. These factors help to define the uniquely high, power to volume ratio of the motors as well as their extremely dynamic performance characteristics.

DC-Micromotors

Originally invented by Dr. Fritz Faulhaber Sr. and patented in 1958, the FAULHABER coreless (or ironless) progressive, self-supporting, skew-wound rotor winding is at the heart of every FAULHABER DC-Micromotor.

This revolutionary technology created new possibilities for customer application of DC-Motors where the highest power, best dynamic performance, in the smallest possible size and weight are required.

The exact assembly data may depend on the selected motor options (encoder, leads, bearings, etc.), but the base motor and gearbox specifications are below.

FAULHABER 1524E018S Motor

• Product Type: DC Micromotor (Precious Metal Commutation)
• Series: 1524E...S
• Nominal Voltage: 18 VDC
• Rated Torque (continuous): 2.85 mNm
• Rated Speed: 4,240 rpm
• Rated Current: 0.186 A
• No-load Speed: 9,790 rpm
• No-load Current: 0.0046 A
• Stall Torque: 7.05 mNm
• Maximum Efficiency: 80%
• Rotor Inertia: 0.57 gcm²
• Torque Constant: 17.4 mNm/A
• Terminal Resistance: 44 Ω
• Diameter: 15 mm
• Length: Approx. 23.8 mm

FAULHABER 16A 5752:1 Gearhead

• Product Type: Spur Gearhead
• Series: 16A
• Reduction Ratio: 5752:1 (exact ratio approx. 5752.204:1)
• Number of Gear Stages: 7
• Diameter: 16 mm
• Length: 18 mm
• Continuous Torque: 30 mNm
• Intermittent Torque: 100 mNm
• Maximum Input Speed: 5,000 rpm
• Maximum Efficiency: 48%
• Operating Temperature: -30°C to +65°C
• Estimated Combined Motor + Gearbox Performance
• Output Speed (approx.): 9,790 rpm ÷ 5,752 ≈ 1.7 rpm (no-load)
• Output Continuous Torque (approx.): 2.85 mNm × 5,752 × 0.48 ≈ 7.9 Nm

Because the 16A gearbox is a very high reduction ratio micro gearhead, the practical output speed is extremely low and the allowable output torque is limited by the gearbox rating rather than the motor torque.

FAULHABER 1524E018S + 16A 5752:1 Gearhead

• 18 VDC coreless DC motor
• 5,752:1 reduction ratio
• Output speed: approx. 1.7 rpm (no load)
• Continuous output torque: 30 mNm
• Intermittent output torque: 100 mNm
• Gearhead diameter: 16 mm
• Gearhead length: 18 mm