Ningbo Nide Tech Co., Ltd
NINGBO NIDE TECH CO.,LTD We specialize in the field of electric motors, covering motor manufacturing machinery, DC motor,commutator,ball bearing and carbon brush.
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Nide is specialized in researching, developing and manufacturing slot, hook and flat types of commutators for DC motors and universal motors. Snowballing the experience of production ever since its foundation, the company has been making great progress in integration worldwide advanced production process and scientific management skills, its annual production reaches upon ten million pieces, which are being exported to European, southeast Asian countries, Hong Kong and Taiwan, etc.
Technical specification
1.Resin surface, free of bubble and crack
2.spin test: 200℃, 3000r/min, 3min, radial deviation ＜0.015, bar to bar ＜0.006.
Spin test for common type and reinforced type
| Commutator type | Experiment temperature/time | Linear velocity of outer race of commutator m/x |
| Common type | Room temperature/10min | 50 |
| 250 degrees /10min | 45 | |
| Reinforced type | Room temperature/10min | 60 |
| 235 degrees /10min | 50 | |
| After testing, bar to bar deviation ≤0.003mm, outer diameter ≤0.007mm | ||
3. High voltage test: bar to shaft at 3500V for 1 min, bar to bar at 550V for 1 s.
4. Insulation test at 500V, ＞50MΩ
5. Application: apply to automotive industry, power tools, household appliances, and other motors
6. Commutator type: hook type, riser type, shell type or planar type
7. Copper material: sliver copper or electrolytic copper or customized
8. Dimension: from OD 4mm to OD 150mm. We also provide customized commutator.
Technical parameter:
Commutator Component: Copper/Mica/ Molding compound
Copper material: 0.03% or 0.08% sliver copper or customized
Dimension: from OD 4mm to OD 150mm. We also provide customized commutator.
Application: apply to automotive industry, power tools, household appliances, and other motors
Commutator type: hook type, riser type, shell type or planar type
Package: Suitable for land and sea transportation
Information needed for commutator inquiry:
It will be better if customer could send us detailed drawing including below information.
1. Commutator dimension: OD, ID, total height, and copper height, bar number.
2. Commutator type: hook type, raiser type or planner
3. Copper material: Agcu/ Cu
4. Commutator applications
5. Required quantity
6. Copper bush needed or not
7. Other technical requirement.
Nide produces more than 1200 different types of electric motor stator and armature rotor brush commutator, including hook type, riser type, shell type, planar type, ranging from OD 4mm to OD 150mm and we are professional in manufacturing commutator for many years. The commutators are widely applied to automotive industry, power tools, household appliances, and other motors.If our existing models are not suitable for you, we could also develop new tooling according to your drawing and samples.
About Motor component and accessories
NIDE can supply the full range of electric motor components such as commutator, ball bearing, thermal protector, carbon brush, insulation paper, shaft, magnet, fan, motor cover,etc.