Figure 3. Three phase power has three identical sine waves overlapping at an offset of 2Ļ/3 radians or 120Ā°. When one phase reaches an x-intercept or node the next phase is only 30Ā° and approximately 5.6 milliseconds from reaching its crest.
Figure 2. A simple sine wave with a period of 360Ā° and an amplitude of 1. In single phase power the x-intercepts are 180Ā° from each other. A full period is 360Ā°. A single phase motor has a crest approximately every 16.5 milliseconds giving the motors a tendency to vibrate more, which may contribute to a shortened bearing life.
CNC machine, where computers are used to control the movement and operation of the mills, lathes, and other cutting tools.
Vertical Lathe
Bowl wear ring
80 SeriesĀ® Engine Driven
Horizontal Lathe
Utah Lake Cascade Pump
Frame-mount Centrifugal Pumps
Nickerson Field Crew
Model 411 Horizontal Split Case
Schlumberger Pump Assembly
380 Series Vertical Inline Pump with VFD
Parley’s Water Treatment Plant. Photo credit SLCdocs.com
Well Pump Installation
3800 Series, Single Stage End Suction
National Pump Vertical Turbine Pumps, API 610
Custom shapes cut from raw materials.
Impeller wear ring
Impeller wear ring
Vertical Lathe
Computer Numerical Control Machine (CNC) at Nickerson
Figure 1. The general arrangement of a three phase waveform.
Vertical Turbine Pumps, Deep Well
Horizontal Lathe
Computer Numerical Control Machine (CNC) at Nickerson
