White Papers

 Haydon Kerk and Pittman white papers are an excellent resource for the design, technology and application of linear and rotary motion devices.
     
     Linear Actuator Technology

   
    How to Specify Custom Leadscrews
  Hybrid vs Canstack 
    Lead Screw Linear Actuators When to Apply
    Lead Screws 101 
    Lead Screws Roll Over Ball Screws 
    Linear Actuator Paper (Part 1) 
    Linear Actuator Paper (Part 2) 
    Pressure Velocity and Leadscrew Assemblies 
  Stepper Motor Drives Some Factors that will help Determine Proper Selection
    Stepper Motor Linear Actuators 
    Stepper Motors and Stepper Based Actuators 
    Stepper Motors the Effect of Acceleration Ramps 
    Supporting Linear Motion - Implementing Dynamic Load Support
  Navigating the Complexities of Motion Systems 
     
     DC Motor Technology
     
    Stepper Motor Drives Some Factors that will help Determine Proper Selection 
    All Motors are Stepping Motors
    Applying DC Motors in Linear Motion Applications 

    Brushless Motors Winding Parameters - What they Mean and How to Chose

    Comparing Slotted vs Slotless Brushless DC Motors

    Connecting Brushless DC Motors to Electronic Controllers

    DC Brush Commutated vs Brushless Motors

    Finding the Right Motor Gearbox Combination to Optimize Performance

    Incremental Encoder Signals

    Reimagining Reflective Encoders

    Temperature Effects on DC Motor Performance