
Torque Within the Motor Envelope
Material, geometry and magnetic circuit inputs are reviewed against the torque target and available rotor space.
Application.
YX Magnetic supplies custom magnets for e-bike and e-motorcycle hub motors, mid-drive units and compact electric drives.
Application.
Hub motors and mid-drive units load magnets differently. We align material, shape, coating and magnetization with rotor diameter, speed, heat and assembly method.

Material, geometry and magnetic circuit inputs are reviewed against the torque target and available rotor space.

Grade selection accounts for winding heat, cooling path, duty cycle and demagnetization margin.

Drawing-based geometry supports adhesive gaps, retention features and rotor balance requirements.

Coating selection accounts for road spray, humidity, salt exposure and assembly conditions.

Flux and magnetization-angle checks support consistent magnetic input across motor builds.
Application.
Choose magnet geometry around the motor topology, rotor speed, torque target, cooling path and assembly method.
Application.
Rotor diameter, speed range, thermal path and assembly method define the right magnet solution.
| Design Factor | Common Options |
|---|---|
| Material | Sintered NdFeB, SmCo or another material selected for thermal and magnetic load |
| Use Case | City e-bike, cargo bike, speed pedelec, e-motorcycle, off-road |
| Assembly Control | Tolerance, adhesive gap, retention, balancing and inspection |
| Magnetization | Radial, parallel, multipole or drawing-defined direction |
| Surface Protection | Ni-Cu-Ni, zinc, epoxy, Parylene or another application-specific coating |
| Magnet Geometry | Arc segment, block, ring segment, skewed or custom profile |
| Motor Layout | Direct-drive hub, geared hub, inner rotor, outer rotor, mid-drive |

Share the motor layout, rotor drawing, speed range, temperature and magnetic targets for engineering review.
Application.
Custom magnets for light electric mobility, from urban hub motors to cargo-bike and e-motorcycle drive systems.
Application.
We translate motor topology, rotor drawings and operating conditions into a manufacturable magnet specification.
We review motor topology, rotor dimensions, speed range, torque targets and magnet temperature.
We define material, grade, geometry, magnetization, coating and assembly interface.
We supply magnet samples and inspection data for the customer’s motor, thermal and NVH validation.
We inspect dimensions, magnetic output, coating and magnetization against the approved specification.

Share the rotor drawing and operating conditions. We will review the magnet configuration and manufacturing approach.