7mm Custom Torque DC Brushed Coreless Motor for Hair Dryer
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Product Details
| Customization: | Available |
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| Application: | Automation Equipment, Moving Machinery |
| Operating Speed: | High Speed |
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Building 11, Giant Industrial Park, Shibei Industrial Road, Dashi Street, Panyu District, ...
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Basic Info.
- Model NO.
- 7B720
- Power Source
- DC Motor
- Function
- Control, Driving
- Casing Protection
- Closed Type
- Structure
- Combined
- Certification
- ISO9001
- Diameter
- 7mm
- Length of Motor Body
- 20mm
- Transport Package
- Standard Export Carton
- Specification
- 7mm x L20
- Trademark
- CHUNGFO
- Origin
- China
- HS Code
- 8501109990
- Production Capacity
- 4 Million PCS/Month
Product Description
| 7B Series φ7mm x L20 Precious Metal Brushes |
| Motor Paramter | Motor Model | |||||||||||
| Values at nominal voltage | 7B1NA- 013021 |
7B2NA- 024091 |
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| 1 | Rated voltage | V | 3.0 | 3.7 | ||||||||
| Free Load | 2 | No load speed | rpm | 31730 | 42870 | |||||||
| 3 | No load current | mA | 28 | 104 | ||||||||
| At Max. Efficiency | 4 | Max. efficiency | % | 78.61% | 72.72% | |||||||
| 5 | Speed | rpm | 28499 | 37351 | ||||||||
| 6 | Current | mA | 249 | 701 | ||||||||
| 7 | Torque | g.cm | 2.48 | 3.99 | ||||||||
| At Max. Output | 8 | Max. output | W | 1.98 | 3.41 | |||||||
| 9 | Speed | rpm | 15865 | 21435 | ||||||||
| 10 | Current | mA | 1115 | 2424 | ||||||||
| 11 | Torque | g.cm | 12.19 | 15.5 | ||||||||
| At Stall | 12 | Stall current | A | 2.2 | 4.7 | |||||||
| 13 | Stall torque | g.cm | 24.38 | 31 | ||||||||
| Motor Constants | ||||||||||||
| 14 | Teminal resistance | Ω | 1.5 | 0.55 | ||||||||
| 15 | Torque constant | g.cm/A | 11.217 | 6.678 | ||||||||
| 16 | Speed constant | rpm/V | 8687 | 1461.3 | ||||||||
| 17 | Speed/Torque constant | rpm/g.cm | 1301.5 | 1383.1 | ||||||||
| Motor Characteristic | Typical Performance | ||||||||||||||||
| Thermal parameters |
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| 18 | Ambient temperature | -20~+65 | ºC | ||||||||||||||
| 19 | Max. permissible winding temperature | 85 | ºC | ||||||||||||||
| Mechanical parameters | |||||||||||||||||
| 20 | Max. penmissible No-load speed | 60000 | rpm | ||||||||||||||
| 21 | Max. axial load(dynamic) | 0.15 | N | ||||||||||||||
| Other parameters | |||||||||||||||||
| 22 | Number of pole pairs | 1 | |||||||||||||||
| 23 | Number of commutator segments | 3~5 | |||||||||||||||
| 24 | Weight | 3.2 | g | ||||||||||||||
| Remarks | |||||||||||||||||
| 1 | Rotation direction, wire specification and performance parameters can be | ||||||||||||||||
| made according to customer's requirement. | |||||||||||||||||
| 2 | Motor can be mounted with various shapes and sizes of eccentric weight which | ||||||||||||||||
| is made of iron, brass or ferro-alloy to become vibration motor. | |||||||||||||||||
| 3 | Dimension with "*" in the drawing can be adjusted according to customer's requirement. | ||||||||||||||||
| 1g=0.035oz 1inch=25.4mm 1g.cm=0.098mN.m 1oz=28.35g 1mm=0.0394inch 1mN.m=10.2g.cm | |||||||||||||||||
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