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Motor Brush / Twin Springs
Enhancing Motor Performance

Motor brush springs are Conforce springs that are specially constructed to provide the ideal method of ensuring consistent, dependable lubrication to electric motor commutators.ß

Because there are a number of different spring design possibilities for a given application it is suggested that you consult with a Vulcan engineer early in the design phase. The tables in this section are only a guide; they do not list stock springs.

Select your requirements in the attached form.
1. Select the material: Details
2. Select Single or Twin Coil: Details
3. Enter the force required (lbs): Details
4. Maximum outside diameter available:
5. Maximum width of spring:
6. Working extension (inches):
7. Select the end detail: View Options
8. Quantity:
9. Brief explaination of application
 
    

The following parameters affect the spring design:
Material - Typically Type 301 stainless steel, but other materials are required if current is to be carried through the spring.

Force - The force of the spring should be equal to the spring force required to obtain the desired brush pressure. Normal tolerance is +/- 10%.

Available Space - for any given force there are several combinations of spring thickness and width. Select the one that best fits the available space.

Mounting Methods - select MOUNTING METHODS to view a selection of mounting recommendations.

Length - include two full turns extra when the spring is fully extended, based on the length of the brush when new.

Configuration -

  • Straight extension spring/a single spring
  • Laminated Springs/multiple interwound springs
  • Twin coil springs/doubles the load of a single spring

Clearance - start with ten times the thickness of the spring.

Moto Brush/Twin Springs

Additional Information

Mounting Methods
Clearance Direction

Please note that the parameters indicated above are to assist our team in accessing what is the best solution for your specific application. Most often we can tailor products to your exact specifications, but occasionally we will provide an alternative product configuration that will better meet your needs.

Constant Force Spring | Constant Torque Spring | Variable Force Spring | Motor Brush/Twin Spring | Pullbox | Power Spring

501 Schoolhouse Road Telford, PA 18969 USA Tel: 215-721-1721 Fax: 215-721-1739