• About Dreisilker
  • Career Opportunities
  • Our Blog
  • Contact Us
  • Request a Quote
Call Dreisilker @ 630-469-7510
Dreisilker Electric Motors
  • Shop Online
  • Branch Locations
    • Illinois
      • Alsip
      • Chicago
      • Crystal Lake
      • Elk Grove Village
      • Glen Ellyn
    • Georgia
      • Marietta
    • Texas
      • Carrollton
  • Repair Services
    • Repair by Type
      • AC Motors
      • Blower Motors
      • Centrifugal Blower Motor Repair
      • Chiller Motor Repair
      • Compressor Motors
      • DC Motors
      • Foreign Motors
      • Gas Booster Repair
      • Gearboxes
      • Gear Motor Repair
      • Generators
      • Printing Press Motor Repair
      • Pumps
      • Servo Motors
      • UL Explosion Proof Motors
      • Vacuum Pumps
      • Wind Turbines
    • Repair Services
      • MotorSafe Repair Process
      • Advanced Varnishing
      • Commutator Repair
      • Machining Services
      • Rewinding Services
        • Armature Repair
        • Armature Rewinding
    • Repair by Industry
      • Heat Treating
      • Crane & Hoist
      • Manufacturing
      • Machine Tool
      • Printing
      • Plastics
      • Steel Mill
  • Field Services
    • Field Services
      • Dynamic Balancing
      • Electronics Repair
      • Infrared Inspection
      • Laser Shaft Alignment
      • Motor and Electronics Troubleshooting
      • Electric Motor Diagnostic Tests
      • Variable Frequency Drive Support
      • Vibration Analysis
    • Engineering Services
      • Electric Motor Contract Manufacturing
      • Complete Machine Shop
      • Balloon and Solid Shaft Repair
  • Motor and Drive Sales
    • All Brands
      • Century Electric Motors
      • CoolBLUE Inductive Absorbers
      • Fasco
      • Genteq
      • Lau
      • Leeson
      • Marathon Electric
      • Optibelt
      • Packard Electric Motors
      • Siemens
      • Yaskawa VFD
      • Teco Westinghouse

Ultra-Sealed Winding™

Dreisilker Electric Motors can now offer a patented insulation process called the Ultra-Sealed Winding™. The process was developed to create total protection against moisture, prevent corrosion, improve heat transfer from the coils to the frame and enhance winding rigidity. The Ultra-Sealed Winding™ procedure involves insulating and sealing the winding through a mechanical and pressure process using a patented resin.

An Ultra-Sealed Winding™ should not be confused with an encapsulated winding. Encapsulation only involves coating the coil ends, but when Ultra-Sealed, the coils are completely impregnated and sealed within high molecular weight thermoset polymer resin. There are two major advantages over traditional insulation methods. One is total protection against moisture. During in-house tests, windings have been completely submerged in synthetic cutting fluid for as much as 2 months without faulting to ground. The second advantage is more efficient cooling. The high molecular weight thermoset polymer resin is approximately 40 times more efficient at heat transfer than air.

Ultra-Sealed vs. Conventional

The Ultra-Sealed motor windings on the left compared to conventionally varnished windings illustrate the dramatic difference in the process.

Ultra_side-by-side

Benefits of Ultra-Sealed Winding™

  • Windings are completely sealed and void free.
  • Resin penetrates any voids in laminations.
  • Resin penetrates between slot insulation and laminations. Adds ground wall insulation and prevents failure to ground if moisture seeps into laminations.
  • Prevents shorting of ground of coils where they come out of the slots. A very common area of failures due to pressure points and grounding from contaminants.
  • Encapsulation of winding heads act as surge rings. This prevents movement and loosening of coils and individual wires when motor starts or cycles.
  • Windings are firm in the slots. Windings and individual wires will not vibrate and loosen up.
  • Frequency drives can cause vibrations and harmonics in windings. This can be prevented by Ultra-Sealed Winding.
  • Resin is elastic to allow for expansion and contraction of the windings in the slots.
  • Ultra-Sealed solidifies windings and laminations, therefore helps dampen noise and vibrations in high speed and spindle applications.
  • An Ultra-Sealed Winding on a motor tested under 100% load, ran 15% cooler in the slot and 25% cooler at 125% load.
  • Heat transfer is 40 times better than air. More mass is in contact with laminations and housings.
  • Leads are sealed.
  • Leads used are non-wicking.
  • Winding can not easily be damaged from bumping or nicking when assembling rotors and spindle components.
  • Greatly reduces winding failures.
  • Eliminated static failures due to contamination from: Water, Oil, Coolant, Metal Chips, Chemical Attack, Air-born particles such as graphite, carbon black and etc.

Type of Repairs

  • AC Motors
  • Balloon & Solid Shafts
  • Blowers
  • Ro-Flo Compressors
  • DC Motors
  • Foreign Motors
    • Baumueller
    • Faurndau
    • Siemens Motor Repair
  • Gearbox
  • Generators
  • Plastics Industry Motors
  • Pumps
  • Servo Motor
  • Spindle Motor
  • UL Explosion Proof Motors
  • Vacuum Pump Repair
  • Wind Turbine Generators

Repair Information

  • MotorSafe Repair Process
  • Armature Repair
  • Advanced Varnishing Method
  • Ultra-Sealed Winding
  • Contract Manufacturing
  • Complete Machine Shop
  • Industries Served

Request a Quote

Dreisilker Information

  • About Dreisilker
  • Career Opportunities
  • Our Blog
  • Contact Us
  • Request a Quote

Quick Links

  • Branch Locations
  • Repair Services
  • Reliability and Field Services

STAY UP TO DATE –

Sign up for our newsletter:

 

Scroll to top