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Mechanical Repair Fundamentals of Electric Motors, 2nd Edition

Course length: Two days
Available as a condensed course: Available in half day sessions (see list)
Maximum number of students: 30

Course description
"Mechanical Repair Fundamentals of Electric Motors, 2nd Edition" addresses the basic mechanical aspects of motor repair. This latest edition expands the content of the original seminar by more than 50%!

Discussion will cover basic materials and their characteristics, the loading and stresses involved, the most common failure modes and patterns along with recommended repair practices as they relate to applications.

Seminar highlights

  • Inspection & Disassembly
    • Disassembly tips & procedures
    • Time- and labor-saving ideas
  • Enclosures
    • Suitability of various designs
    • Frame repair methods
    • Fans and air deflectors
  • Shafts
    • Step-by-step replacement procedures
    • Materials and design features
    • Fits, clearances and importance of finish
  • Rotors
    • Aluminum vs. copper
    • Material/construction
    • Performance characteristics
  • Bearings
    • Types: ball, roller, sleeve, hydrodynamic
    • Installation and handling
    • Special modifications:
      • Roller-to-ball conversion
      • Vertical mounting of horizontal motors
      • Severe duty applications
    • Lubrication systems
    • Sleeve bearing repair
  • Seals
    • Labyrinth seal design
    • Repair methods
    • Aftermarket seal modifications: lip seals, non-contact bearing isolators
  • Assembly
    • Horizontal motors
    • Vertical motors
  • Motor Dynamics
    • Alignment (internal and external)
    • Importance of air gap
    • Dynamic balancing (emphasis on 2-poles)
  • Special Sections
    • Shaft currents and corrective measures
    • Explosion-proof motor repair

Instructor(s) available to teach the course: 

  • Tom Bishop, PE, EASA Senior Technical Support Specialist
  • Chuck Yung, EASA Senior Technical Support Specialist
  • Mike Howell, PE, EASA Technical Support Specialist

Cost

  • Chapter/Region fee (+expenses): $3600 + $45/student
  • Member company fee (+expenses): $5300 + $60/student
  • Nonmember fee (+expenses): $7800 + $65/student
    (Additional fees may apply if travel time exceeds 5 hours. Contact EASA for details.)

Condensed courses available

Mechanical Repair Fundamentals (One day)
This is a condensed version of the full Mechanical Repair Fundamentals of Electric Motors, 2nd Ed. coursse and covers the topics below:

  • Inspection & Disassembly
    • Disassembly tips & procedures
    • Time- and labor-saving ideas
  • Shafts
    • Step-by-step replacement procedures
    • Materials and design features
    • Fits, clearances and importance of finish
  • Rotors
    • Aluminum vs. copper
    • Material/construction
    • Performance characteristics
  • Assembly
    • Horizontal motors
    • Vertical motors
  • Motor Dynamics
    • Alignment (internal and external)
    • Importance of air gap
    • Dynamic balancing (emphasis on 2-poles)
  • Vibration & Motor Geometry
    • Vibration and magnetic forces
    • Dynamic balancing
    • Solving motor vibration problems

- Chapter/Region fee (+ expenses): $2400 + $45/student
- Member company fee (+ expenses): $4600 + $60/student
- Non-member fee (+ expenses): $8400 + $65/student


Motor Basics, Bearings & Housings (Half day)
Discussion will cover methods, materials and recommended repair practices as they relate to motor disassembly and mechanical repair of bearings and housings.

  • Disassembly
    • Disassembly tips & procedures
    • Time- and labor-saving ideas
  • Bearings
    • Types: ball, roller, sleeve, hydrodynamic
    • Installation and handling
    • Special modifications:
      • Roller-to-ball conversion
      • Severe duty applications
    • Lubrication systems
    • Sleeve bearing repair
  • Bearing Housings
    • Bearing housing repairs
    • Shaft openings, seals and fits
    • Correcting oil leaks
  • Shaft & Bearing Currents
    • Sympotons and causes
    • Testing
    • Solutions

- Chapter/Region fee (+ expenses): $1200 + $45/student
- Member company fee (+ expenses): $2300 + $60/student
- Non-member fee (+ expenses): $4200 + $65/student


Shafts, Rotors, Assembly and Motor Dynamics (Half day)
Discussion will cover methods, materials and recommended repair practices as they relate to shafts and rotors, and motor assembly and dynamics.

  • Shafts
    • Step-by-step replacement procedures
    • Materials and design features
    • Fits, clearances and importance of finish
  • Rotors
    • Aluminum vs. copper
    • Material/construction
    • Performance characteristics
  • Assembly
    • Horizontal motors
    • Vertical motors
  • Motor Dynamics
    • Alignment (internal and external)
    • Magnetic centering effects of sleeve bearing motors
    • Foundation and support tips

- Chapter/Region fee (+ expenses): $1200 + $45/student
- Member company fee (+ expenses): $2300 + $60/student
- Non-member fee (+ expenses): $4200 + $65/student

Course manual available for sale

Unable to participate in this training event? The manual that accompanies this seminar is available for sale.

BUY A COPY
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Schedule a private seminar

To schedule a private seminar for your group, contact:

Dale Shuter, CMP
Meetings & Expositions Manager
+1 314 993 2220, Ext. 3335
dshuter@easa.com

Hosting requirements

In addition to the seminar fees, the seminar sponsor will be responsible for:

  • All seminar promotion involved
  • Breaks (if provided)
  • Meeting room (approx. 1,000 square feet)
  • Instructor's travel and living expenses
  • Audio/visual equipment
  • Shipping costs of materials
  • Meals (if provided)