web edge sensor

Web Guiding Fundamentals

Web Guiding Fundamentals: Topics in this webinar

  • Web guiding Terminology
  • Why we need web guides?
  • Types of web guides: Terminal and Intermediate web guides
  • Normal entry rule
  • Main components of a web guiding system
  • Unwind web guide structure
  • Rewind web guide structure
  • Terminal web guides design and installation considerations
  • Offset-pivot guide or displacement guide design and installation considerations
  • Steering or remotely pivoted web guide design and installation considerations

Web Guiding Terminology

Different terms related to web guiding are discussed in this article.

Web Guiding

Web guiding is the process of regulating the cross machine position of the web while the web is transported over the rollers in roll-to-roll processing machinery. Other terms for web guiding include:

web guiding
web edge sensor
web position sensor
web guides
remotely-pivoted guide
offset pivot guide
displacement guide
steering guide
center guiding
center web guiding
line guiding
contrast guiding
contrast sensor

Pneumo-Hydraulic Web Guides

What are Pneumo-Hydraulic Web Guides?

Many displacement guides, steering guides, unwind / rewind guides manufactured in the 1960’s, 1970's, 1980’s and 1990's were controlled using both pneumatic and hydraulic control systems which are often referred to as pneumo-hydraulic web guides. These web guide were really common before the mass adoption of the electronic (analog and digital) controllers and electric actuators. A lot of these units were predominant in blown film lines, extrusion lines, flexographic printing presses and even in paper converting machines. 

web guides
web position
web edge sensor
edge sensor
edge detection sensor
web guiding
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