Product Announcement from Magna-Tech Manufacturing, Inc.

VPI of Electric Motors.-Image

The Vacuum Pressure Impregnation process takes place after the stator has been wound and the bracing system installed. VPI is the process developed for impregnation of the windings with epoxy resin that gives the premium epoxy system its unmatched quality. Epoxy resins are ideal as impregnants because, in their cured solid state, they are extremely tough, with excellent resistance to both moisture and practically all types of chemical contaminants encountered in normal motor application environments. They are thermosetting and are composed of 100% solids.

Vacuum Pressure Impregnation for...

  • Wound Stators and Motors
  • Traction Motors
  • Electric Armatures and Rotors

Benefits

  • Strengthens the insulation system and extends service life.
  • Eliminates the dead air spaces that cause hot spots within coils.
  • Provides a low thermal resistance path that lowers temperatures.
  • Creates a repellent to oily substances, moisture, and chemical contaminants.
  • Resin becomes a sealant against environmental conditions and creates bonds for good mechanical strength.
  • Reduces mechanical vibrations.
  • Reduces the audible noise level.
  • Enhances the dielectric capability, which allows for higher voltage stress levels without failure.
  • Reduces coil movement.

Process
VPI creates a better product in less time and at a lower cost than other available procedures that aim at the same results. With VPI, you will have completely upgraded mechanical strength, a cooler running motor due to superior heat dissipation and environmental protection.

Magna-Tech specializes in Vacuum Pressures Impregnation using 20+ impregnation systems ranging from 3ft to 8ft in diameter.

Contact us today for your VPI needs!

 
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