Constant Force Spring Manufacturer
Constant force spring
January 25, 2022

Motor Brush Spring

Motor Brush Spring Suppliers For Electrical Motors Parts

We understand how difficult it can be to choose the right motor brush spring for your generator and motor.

A carbon brush, also known as a motor brush, is a sliding contact used in generators and motors to carry electrical current from a static to a rotating part. A carbon brush promotes spark-free commutation in DC devices.

 

Mechanical, electrical, and physical/chemical characteristics govern the operation of carbon brushes. We, motor brush spring suppliers, Variable Force Spring, and Custom Spring, provide services for each of these key functions. As a result, you’ll be able to choose the best carbon brush grade for your needs.

Grades of motor brushes springs

Following are the five primary grades of carbon brushes:

 

  • Electro graphite (EG)
  • Carbon Graphitic Compounds (A)
  • Soft graphite (LFC)
  • Resin Bond (Bakelite Graphite) (BG)
  • Brushes made of metal and graphite (CG, MG, or CA)

 

The installation process of motor brush spring suppliers

Choosing the perfect motor brush is vital, but so is properly placing the brush. If we perform the installation incorrectly, it might result in several issues and difficulties. This section contains information on how we install carbon brushes in motors. It contains a wealth of knowledge, as well as suggestions for:

  • Instillation of fundamentals
  • Brush-holders
  • Slip rings and commutators
  • Incorporating the motor into the system
  • Film observation

Maintenance and repair

It’s vital to maintain your carbon brush after you’ve chosen and installed it to ensure long life and proper operation. We are trusted motor brush spring suppliers with an easy-to-follow motor brush maintenance checklist that is vital for any brush grade.

Features:

1. Due to the fixed force, the motor brush spring will maintain the same pressure with the commutator regardless of the length.

2. Constant force spring reduces motor brush spring loss, prolongs motor brush spring life, and reduces current loss.

3. Small motor can be designed to reduce the outer diameter of the motor.

4. The length of the motor brush spring can be increased.

5. Larger commutators can be used.

6. Reduce sparks and electromagnetic interference.

 


Product inventory
All Products
Part
Number
Thickness
(mm)
Width
(mm)
O.D. +/- 10%
(mm)
Load +/- 10%
(N)
1 0.04 1.5 4.8 2.2
2 0.04 2.5 3.8±0.1 2.0-2.2
3 0.04 3.0 2.7 1.9
4 0.045 1.6 3.7±0.1 1.1
5 0.05 2.55 3.8±0.1 2.0-2.1
6 0.05 4.0 5.0±0.2 2.1
7 0.055 5.0 4.8±0.1 2.0-2.2
8 0.056 4.0 4.5 2.8
9 0.06 2.5 4.0 2
10 0.06 3.0 4.9 1.8±0.1
11 0.06 4.0 5.0 1.8-2.0
12 0.06 4.0 5.2-5.3 2.6-2.7
13 0.063 2.5 4.5 2
14 0.068 2.5 4.3 2.8
15 0.07 3.0 5 3.5
16 0.070 4.0 5.0 5.3
17 0.07 4.00 5.9-6.0 3.4
18 0.08 2.0 5.0±0.1 2.7
19 0.08 3.2 5.8-5.9 3.8-4.0
20 0.08 3.5 5.0 4.8-4.9
21 0.08 3.5 5.9±0.1 3.8-4.0
22 0.08 4.0 5.9±0.1 4.0-4.5
23 0.08 5.4 5.4 7.4-7.7
24 0.08 8.0 6.4±0.1 8
25 0.082 4.0 6.0 3.8
26 0.55 4.0 4.8 2.2