Flexible Solutions for your Engineering Needs

Paper Handling Outline

Nip Roller Mechanics

  • How Fast Do Rollers Transport Sheets?

  • Roller Materials

  • Effects of Tension and Friction

  • Pressure and Friction Forces in Nip

  • Edge Effects and Axial Variation

  • Conical Rollers for Edge Registration

  • Web Wrinkling

Single Sheet Transport

  • Closed Form Techniques for Predicting Paper Jams

  • Predicting Tip Speed Overdrive and Underdrive

  • When Linear Beam Formulas Break Down

  • General Sheet Mechanics

  • Advanced Modeling Techniques Using Non-linear FEA

  • General Sheet Properties

Feeding Mechanics

  • Pros and Cons of Existing Designs

  • Underlying Mechanics of Feeding

  • Sheet to Sheet Friction Variation

  • Feed Roller Loading

  • Feeder Acceleration and Velocity Profiles

Winding Mechanics (Optional)

  • Interlayer and Core Pressures in a Wound Roll

  • Tension Profiles within the Wound Roll

  • The Effects of Winding on Tension Profiles

  • Relationship Between Winding Tension and Pressure

Custom MathcadTMProfessional Simulations

  • Sheet Tip Sliding and/or Sticking Along a Frictional Channel

  • Prediction of Jam, Stall or Rollover Behavior

  • Inclusion of Gravity Forces

  • Prediction of Sheet Shape, Reaction Forces, Tip Speed

  • Prediction of Tip Release (From Stick to Slip) for Registration