Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots

Product Details
Customization: Available
Application: Automation Equipment, Moving Machinery
Operating Speed: High Speed
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Type of Ownership
Limited Company
Management System Certification
ISO 9001, ISO 14001
  • Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots
  • Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots
  • Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots
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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  
Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots
Motor Paramter Motor Model
Values at nominal voltage 7B1NA-
013021
7B2NA-
024091

 
   
  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  
Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots
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

Company & Factory
Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots
 
Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots

 
Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots
 
Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots
 
Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots
 
Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots
 
Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots
 
Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots
 
Waterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots
 

ApplianceWaterproof 7*20mm DC Brush Micro Coreless Motor for Intelligent Robots
 

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