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  • Trickle impregnation of small motors
    The trickle impregnation method of coating the wind- ings of electrical components with resin has become the predominant means of impregnating armatures and sta- tors due to the advantagesthe trickle method has over the conventional “dip and bake”process.
  • Trickle impregnation of small motors
    Trickle impregnation is a method of coating the windings of armature and stator components with a solventless polyester or epoxy resin .
  • Industrial Coatings
    • Vacuum-pressure impregnation (VPI) involves using a vacuum or other means to create pressure to drive resins or coatings into a surface after a dip or trickle coating application.
  • A scientific approach to coating motor windings with “heatless-cure” trickle coating
    The "Heatless-Cure" trickle coating process provides the means of controlling all of the process variables, so they can be engineered for each product to maximize motor performance. The unique ability of this process to fill the slots with resin is greater than any other, including VPI (vacuum-pressure- impregnation ).
  • Trickle impregnating with polyester resin to maximize the quality of wound components in high volume production lines
    Having outlined the advantages and suitability of polyester resins for trickle or drip impregnation proc- esses,itwouldbeinvidiousnottomentionsomeof their disadvantages, all of which can be successfully over- comewithout toomuch difficulty.Thoseresinscontain- ing styrene give off a powerful smell, but if a high density … … shrinkage,but this can be compensated for by reducing the thickness of the coat on the outer …
  • Reducing motor costs through chemistry
    The resins, often referred to as "varnishes,"are applied by dipping, vacuum or trickling the resin over the coil to provide penetration through "wicking." Dipping processes are messy and coat the entire assembly causing dimensional changes. Vacuum impregnation is usually reserved for larger motors with taped coils.
  • “Heatless-cure” coating of electrical windings-update '95
    Weiss, "Heatless Trickle Coating for the Insulation of Electrical Windings" 6) John M. DiCarlo, "Chemically Cured Resins For Improved Impregnating Techniques", 1992 ELECTRICAL MANUFACTURING & COIL WINDING, pp. 283-287.
  • Varnish and resin usage with various motor constructions
    2) Trickle 3) RollThrough 4) Vacuum Pressure Impregnation 5) Total encapsulation Dip and bake processing is one of the most basic ways to apply varnish or resin . The process as the name implies involves dipping the parts to be coated in a'tank of resin …
  • Considerations for Rotating Low-Voltage Machine Insulation Designs
    … DMD or NMN laminate may be chosen for the insulation of starter- motor field coils, whereas an NMN laminate is typical for alternator stator-coil insulation; a choice of impregnation technique implies a trickle or roller dip resin ; finally, a support resin … … selected from PET film, DMD, or NMN, and the phase insulation from the same or coated glass.
  • Axial Flux Permanent Magnet Brushless Machines
    … methods are used to secure the conductors of electrical machines in place: dipping the whole component into a varnish-like material, and then baking off its solvent, trickle impregnation method, which uses heat to cure a catalyzed resin which is dripped onto … The solid conductor wire (usually copper) is coated with a heat and/or solvent activated adhesive.