OEM/ODM Double Shaft Motor Manufacturers & Exporter

Industrial-grade precision dual-output drive architectures. Engineered for high torque, synchronous accuracy, and prolonged lifecycles under complex loads.

The Pulse of Efficiency: Inside KINOV Motor

At KINOV Motor, we master the physics of rotation to power the technologies of tomorrow. As a premier certified manufacturer specializing in high-performance Micro DC Motors, DC Gear Motors, and Brushless DC Motors (BLDC), we have spent two decades engineering miniature motion solutions where high torque, silent acoustics, and enduring lifespans intersect.

Operating from our state-of-the-art, ISO9001-certified manufacturing facility, KINOV Motor bridges the gap between China’s world-class supply chain efficiency and international engineering rigor. Our compact micro-drives are trusted globally by product designers and R&D engineers in smart home automation, medical equipment, automotive electronics, and precision robotics—performing flawlessly under strict space and load constraints.

We don’t believe in one-size-fits-all hardware. KINOV Motor thrives on flexible OEM/ODM custom engineering. Backed by an elite in-house technical team holding multiple motor-tech patents, we offer rapid prototyping and seamless technical support. From specialized gear ratios and custom shaft configurations to precise voltage tuning, we design the silent, robust KINOV Motor that drives your product's success.

20+
Years of R&D Excellence
ISO9001
Quality Certified Factory
50M+
Annual Units Shipped
< 35dB
Silent Acoustic Operation

Vertical Manufacturing & Quality Integration

Our automated production lines process premium raw materials into highly specialized double shaft drives through rigorous, patent-backed protocols.

Raw Material Inspection
Raw Material Selection
Precision Soldering
Robotized Soldering
Assembling Line
Precision Assembly
Dynamic testing
Automated Testing
Packing Process
Sealed Packaging
Climate-controlled storage
Warehouse Storage

Deep Engineering: The Mechanics of Double Shaft Motors

A double shaft motor (also known as a dual-shaft motor) features an armature or rotor shaft that extends from both ends of the motor housing. Unlike a standard single-shaft motor, this setup allows for dual mechanical drives or the integration of secondary feedback mechanisms directly inline with the drive system. This mechanical architecture delivers two primary engineering capabilities:

Dual Output Driving vs. Sensorized Feedback Architecture

Dual-Drive Mechanics: Driving two separate loads synchronously from a single power source. This ensures precise speed matching across parallel drives (e.g., dual roller systems or symmetrical mechanical arms) while saving design space and component costs.

Feedback Loop & Control: Utilizing the primary front shaft to drive the load, while the rear shaft is coupled directly to a rotary encoder, tachometer, or mechanical brake. This provides precise, latency-free feedback on rotational velocity, angular position, and motor health.

Key Engineering Considerations for OEM/ODM Dual-Shaft Motors

  • Shaft Runout & Concentricity: Dual-shaft configurations require precise alignment. High runout can cause vibration, noise, and wear on the bearings. KINOV controls concentricity within micrometer tolerances (<0.01mm) via NC grinding.
  • Radial and Axial Load Balance: With loads acting on both ends, bearing selection is critical. We use customized ball bearings or high-grade sintered bronze bushings to handle axial and radial thrust on both ends.
  • Custom Lengths & Configurations: The front and rear shafts can be customized with D-cuts, keyways, threads, cross-holes, or splines to simplify mechanical integration for B2B buyers.

State-of-the-Art Precision Tooling Capabilities

Our manufacturing floor is equipped with high-precision CNC machinery and automated tooling, achieving sub-micron accuracy in every motor we build.

NINGJIANG MACHINE TOOL
NINGJIANG MACHINE TOOL
High Precision Horizontal Gear Hobbing Machine
Horizontal Gear Hobber
Lathing Machine
CNC Lathing Machine
Milling Machine
CNC Milling Machine
Drying Oven
Precision Drying Oven
Automatic Gear Riveting Machine
Auto Gear Riveting
Packing Machine
Auto Packaging Machine
Pneumatic Pressing Machine
Pneumatic Pressing
Manual Pressing Machine
Manual Precision Press
Computer Wire Winding Machine
Computerized Winding
Injection Machine
Injection Molding
Slow-feeding NC wire-cut machine
Slow-Feeding NC Wire-Cut
EDM Machine
Electrical Discharge (EDM)
Hobbing Machine
High-Efficiency Hobber
Glue Dispenser
Auto Glue Dispenser
R&D Engineering Center
Engineering & Design

Sourcing & Manufacturing Capabilities for Global Procurement

B2B buyers face several challenges when sourcing micro-motors: balancing cost and performance, ensuring regulatory compliance, and managing supply chain risk. KINOV Motor supports global buyers through strategic capabilities:

1. Regulatory Compliance (REACH, RoHS, UL, CE)
Compliance is critical. Every motor we produce meets EU RoHS and REACH environmental guidelines. For medical and smart home systems, we select UL-compliant plastics and wire insulation to meet strict fire-safety and toxicological certifications.
2. Material Traceability & Factory Audits
We provide full material traceability for our copper wire, permanent magnets, steel shafts, and gear alloys. Our facility supports virtual and physical factory audits, providing comprehensive documentation from incoming raw materials to final packaging.
3. Comprehensive Quality Inspection (E-E-A-T)
Quality is verified using advanced measurement instruments. We test for electrical insulation, back-EMF profile, acoustic noise level under load, and gear torque limits to guarantee reliable operation.

Quality Assurance & Environmental Verification Laboratory

Our inspection lab performs rigorous environmental, acoustic, and mechanical stress tests to ensure reliable field performance.

Programmable Constant Temperature & Humidity Testing Chamber
Constant Temp & Humidity Chamber
Noise Testing Chamber
Noise Testing Chamber
Salt Spray Testing Machine
Salt Spray Testing Machine
Qc Checking
QC Visual & Mechanical Checking
Environmental Chamber
Environmental Verification
Acoustic Chamber
Acoustic Verification Room
Salt Spray Machine
Corrosion Assessment
Dynamometer Machine
Precision Dynamometer Machine
Hardness Tester
Material Hardness Tester
Video Measuring Instrument
Video Measuring Instrument
Aging Shelf
Continuous Load Aging Shelf
Motor Testing Machine
Dynamic Motor Tester
Microscope
Metallurgical Microscope
Digital Oscilloscope
Digital Oscilloscope
Soundproof Room
Soundproof Testing Facility
Magnetic Powder Testing Machine
Magnetic Powder Tester

Localized Applications of Double Shaft Motors

Double shaft motors provide compact, synchronized movement across diverse industries:

Robotics & Joint Exoskeletons
In robotic joints, the primary shaft drives a planetary gearbox for movement, while the secondary shaft mounts a magnetic encoder to provide positioning feedback down to fractions of a degree.
Smart Lock Systems & Home Automation
For smart doors, the front shaft actuates the physical latch while the rear shaft features a manual mechanical override knob. This allows emergency manual exit even if the battery or electronics fail.
Automotive Powertrain & Seat Actuation
A single double shaft motor can drive dual flexible shafts to adjust both left and right tracks of a car seat simultaneously, preventing seat twist and eliminating the need for two separate motors.

Technical Trends in Double Shaft Micro Motors

The micro-motor industry is shifting toward higher power density, intelligent feedback, and integrated control electronics. Product designers should monitor three key trends:

  1. Transition to Brushless DC (BLDC) Architectures: Brushless motors eliminate brush wear, enabling longer operating lifespans (>10,000 hours) and lower electrical noise. Integrating double shafts on BLDC motors allows for high-resolution optical or magnetic encoders on the rear shaft, suitable for closed-loop control systems.
  2. Integrated Planetary and Worm Gearboxes: High-reduction planetary gearboxes or self-locking worm gears are increasingly mounted directly to the motor's front output. This configuration provides high output torque while keeping the footprint compact.
  3. Advanced Sensor Integration: Modern systems require smart feedback. Hall sensors, magnetic encoders, and thermal sensors are commonly integrated into the rear housing, converting simple motors into intelligent actuators that communicate with a central controller.

Technical & Procurement FAQ

Essential technical insights to assist product engineers and procurement managers when sourcing micro DC motors.

Q1: What are the primary advantages of a double shaft motor over a single shaft motor?
A double shaft motor provides two mechanical outputs. The front shaft drives the primary load, while the rear shaft can drive a second load or mount feedback devices like encoders, tachometers, or mechanical brakes. This ensures synchronized motion and closed-loop control without increasing the drive system's footprint.
Q2: How does KINOV Motor ensure concentricity and prevent shaft runout on dual-shaft outputs?
We use high-precision CNC lathing, grinding, and slow-feeding NC wire-cut machines to control concentricity within 0.01mm. Additionally, each production batch undergoes mechanical testing on video measuring instruments to verify that runout does not compromise bearing life or increase acoustic noise.
Q3: Can the front and rear shafts have different diameters, flat cuts, or keyways?
Yes, we offer fully customized shaft profiles. The front shaft can feature a worm gear cut or keyway for driving mechanical loads, while the rear shaft can be stepped down and designed with a D-cut to match standard encoder mounts. Custom options include splines, threads, cross-holes, and custom lengths.
Q4: What certifications do KINOV motors carry for international markets?
All our manufacturing processes conform to the ISO9001:2015 quality management system. Our products comply with RoHS and REACH regulations to meet international environmental standards. We can also build motors using UL-certified insulation materials to assist with your end-product certifications.
Q5: How does your facility support B2B customization (OEM/ODM)?
We offer complete customization of voltage (1.5V to 48V), winding configurations (for specific speed and torque outputs), gear ratios (spur, planetary, and worm gearboxes), and custom wire harnesses. Our R&D center provides rapid prototyping and engineering validation within our testing laboratory.