# Normal Entry Rule - Web Guiding Fundamentals Webinar

> A web always aligns itself perpendicular to the axis of a roller's rotation, even in cases of misalignment. Important for displacement web guide function

**Last updated:** 2026-03-03

**Source:** https://live-roll2roll.pantheonsite.io/videos/normal-entry-rule-web-guiding-fundamentals-webinar

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Normal Entry Rule for Webs: Essential Principles Explained

Dive into the fundamental 'Normal Entry' rule for webs traveling over rollers in this episode of 'Web Guiding Fundamentals.' Understand how a web always aligns itself perpendicular to the axis of a roller's rotation, even in cases of misalignment. Learn about the beam-like behavior of the web, the dynamics of its movement, and the importance of these principles for successful web guiding applications.

00:00 Introduction to Web Alignment
00:17 Misalignment and Web Tracking
00:40 Beam Behavior and Dynamics
01:02 Transport Conditions and Static Behavior
01:26 Traction and Lateral Forces
01:44 Bending and Stress Development
01:59 Importance of Web Guiding
 

## Related Products

- Compact Web Guiding System
- Low Profile Web Guides
- Narrow Web Steering Guides
- Unwind/Rewind Guide
- Wide Web Guides

**Tags:** web guide, web guiding, web guiding system, normal entry rule, intermediate guides, Compact Web Guiding System, Low Profile Web Guides, Narrow Web Steering Guides, Unwind/Rewind Guide, Wide Web Guides

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## About Roll-2-Roll Technologies

Roll-2-Roll Technologies designs and manufactures patented fiber-optic web position sensors and advanced web guiding controllers — the precision measurement and control core of modern roll-to-roll manufacturing. Spun out of Oklahoma State University's Web Handling Research Center and trusted by Fortune 500 medical, battery, and nonwovens manufacturers, our patented sensors work without recalibration at ±0.1mm accuracy up to 760 mpm — typical customer outcomes are 50%+ less downtime and payback under six months. Headquartered in Stillwater, Oklahoma, our team of PhDs, controls engineers, and industry veterans extends the sensor + controller core into complete web guide systems including stepper-motor-based linear actuators (RLA, BLA, LHS).

- Website: https://r2r.tech
- Phone: +1 (888) 290-3215
- Email: sales@r2r.tech