Dongguan Sanfeng Hardware Products Co., Ltd.

Company profile

Specialist maker of micro shaft cores (motor shafts and special-shaped shafts), OD 0.6–12 mm, length 5–200 mm, OD accuracy 2 µm, with imported automatic lathes and centreless and cylindrical grinders.

Where it fits in motor manufacturing

• Motor Shaft

  Dongguan is the Pearl River Delta centre for precision turned and ground shafts, with many CNC-turning and centreless-grinding shops serving the local motor industry. Check the h6 bearing-seat grinding capability and run-out inspection, not just turning.

  57 mm Inner-rotor BLDC Motor

• Motor Shaft

  Dongguan is the Pearl River Delta centre for precision turned and ground shafts, with many CNC-turning and centreless-grinding shops serving the local motor industry. Check the h6 bearing-seat grinding capability and run-out inspection, not just turning.

  42 mm Two-phase Hybrid Stepper Motor (NEMA 17)

• Motor Shaft

  Dongguan is the Pearl River Delta centre for precision turned and ground shafts, with many CNC-turning and centreless-grinding shops serving the local motor industry. Check the h6 bearing-seat grinding capability and run-out inspection, not just turning.

  57 mm Two-phase Hybrid Stepper Motor (NEMA 23)

• Motor Shaft

  Dongguan is the Pearl River Delta centre for precision turned and ground shafts, with many CNC-turning and centreless-grinding shops serving the local motor industry. Check the h6 bearing-seat grinding capability and run-out inspection, not just turning.

  37 mm Brushed DC Gear Motor (spur gearbox)

• Motor Shaft

  Dongguan is the Pearl River Delta centre for precision turned and ground shafts, with many CNC-turning and centreless-grinding shops serving the local motor industry. Check the h6 bearing-seat grinding capability and run-out inspection, not just turning.

  86 mm Two-phase Hybrid Stepper Motor (NEMA 34)

• Motor Shaft

  Dongguan is the Pearl River Delta centre for precision turned and ground shafts, with many CNC-turning and centreless-grinding shops serving the local motor industry. Check the h6 bearing-seat grinding capability and run-out inspection, not just turning.

  57 mm Integrated BLDC Motor (built-in driver)

• Motor Shaft

  Dongguan is the Pearl River Delta centre for precision turned and ground shafts, with many CNC-turning and centreless-grinding shops serving the local motor industry. Check the h6 bearing-seat grinding capability and run-out inspection, not just turning.

  70 mm Outer-rotor BLDC Motor

• Motor Shaft

  Dongguan is the Pearl River Delta centre for precision turned and ground shafts, with many CNC-turning and centreless-grinding shops serving the local motor industry. Check the h6 bearing-seat grinding capability and run-out inspection, not just turning.

  AC Servo Motor (60–130 mm flange)

• Motor Shaft

  Dongguan is the Pearl River Delta centre for precision turned and ground shafts, with many CNC-turning and centreless-grinding shops serving the local motor industry. Check the h6 bearing-seat grinding capability and run-out inspection, not just turning.

  Coreless Brushed DC Motor (16–22 mm)

• Motor Shaft

  Dongguan is the Pearl River Delta centre for precision turned and ground shafts, with many CNC-turning and centreless-grinding shops serving the local motor industry. Check the h6 bearing-seat grinding capability and run-out inspection, not just turning.

  IEC Three-phase Induction Motor (frames 80–160, IE3)

• Motor Shaft

  Dongguan is the Pearl River Delta centre for precision turned and ground shafts, with many CNC-turning and centreless-grinding shops serving the local motor industry. Check the h6 bearing-seat grinding capability and run-out inspection, not just turning.

  Direct-drive Torque Motor & Robot Joint Module