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Web Guiding
Edge, center, and line guiding solutions
Edge Guiding
Align to the physical web edge. No calibration, no mechanical adjustments.
Line/Contrast Guiding
Guide to a printed line or contrast boundary — no physical edge required.
Center Guiding
Track web center automatically as width changes. No sensor repositioning.
Unwind Guiding
Start every process from perfect alignment, regardless of roll quality.
Rewind/Winder Guiding
Build tight, level rolls with dynamic edge tracking at winding speed.
Master/Slave
Synchronize two guides electronically for perfect lamination and registration.
Chase/Follow
Shift process stations to follow the web — ideal for slit-to-print alignment.
Sensing and Measurement
Width measurement, thread counting and inspection
Edge Detection and Position Measurement
Measure web edge position with ±0.0635 mm resolution on any material.
Web Width Measurement
Measure web width from both edges simultaneously — no contact required.
Thread Counting
Count individual threads or filaments using spatial filtering — no contact.
Splice Detection
Detect web joins and splices automatically at full production speed.
Flag Detection
Identify web flags and material anomalies for downstream process control.
Surface Defect Detection
Detect surface anomalies and defects without stopping the production line.
Industries
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Battery Manufacturing
Precision electrode alignment for tighter cell yields and less scrap.
Converting & Flexible Packaging
One sensor for every substrate — no recalibration between materials.
Film Extrusion
Non-contact edge detection for continuous extrusion lines.
Flexible Printed Electronics
Sub-millimeter registration at full production speed for roll-to-roll FPE.
Label & Narrow Web
Precise guiding in tight spaces — works on clear film and bare liner.
Metal Processing
Handles camber, reflection, and heavy loads up to 30,000 lbs.
Nonwovens & Hygiene
Reliable sensing on porous, low-contrast webs that fool other sensors.
Paper & Printing
Immune to paper dust and flutter at high press speeds.
Pharma & Medical
Clean, data-rich guiding for validated medical packaging lines.
Textile & Composites
From carbon fiber tows to high-speed looms — sensing for advanced materials.
Tire & Rubber
High-contrast sensing for black, absorptive materials on heavy tire lines.
Products
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Roll-2-Roll® Sensor
Fiber-optic sensors that detect any material without calibration
ODC Sensors
Fiber-optic sensor with external controller — 7 models from 48 to 960 mm
1DC Sensors
All-in-one sensor with built-in controller — 7 models from 96 to 960 mm
WPS Sensors
Legacy fiber-optic sensors — replaced by the ODC series
Roll-2-Roll® Controllers
Touchscreen interface with industrial Ethernet
SCU5
Versatile controller for WPS and ODC sensors with external motor driver
SCU6x
Next-gen controller with built-in stepper driver and industrial Ethernet
Roll-2-Roll® Web Guides
Complete guiding systems for any web width
Compact Web Guiding System
Narrow web displacement guides from 10″ to 20″ roller with built-in controller
Low Profile Web Guides
The go-to narrow web displacement guide from 10″ to 20″ rollers with a very low profile
Wide Web Guides
Displacement guide for any widths up to 100″
Steering Guides
Narrow web and wide web steering guides for any machine
Web Guide Upgrade Kit
Upgrade any intermediate web guide with this kit
Unwind/Rewind Guide Kits
Upgrade any unwind/rewind with this kit
Roll-2-Roll® Actuators
Precision positioning for loads up to 30,000 lbs
LHS Series
Compact stepper actuators powered by the controller — no external driver needed
BLA Series
Ball screw actuators for low-to-medium load terminal guides up to 10,000 lb
RLA Series
High-thrust rod actuators for heavy loads up to 30,000 lb
Resources
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Articles
Technical guides and web handling insights
Documentation
Datasheets, manuals and CAD files
Videos
Product demos and installation tutorials
Blog
Latest news and industry updates
RMA
Return material authorization
FAQ
Frequently asked questions
About
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Contact
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About our Company
OSU-patented technology since 2014
Team Members
Meet our engineering team
Events
Trade shows and industry events
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Company announcements and updates
+1 (888) 290-3215
experts@r2r.tech
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Application
Web Guiding
Web Measurement and Sensing
Type of Guiding
Edge
Center
Line
Contrast
Master/Slave
Oscillation
Other
Type of Edge
Straight
Cambered
Baggy
Ragged
Fuzzy
Other
Type of Web Guide
Steer/move the web
Move the entire stand with the roll
Intermediate Web Guides
Displacement or Offset-pivot
Steering
Other
Don't know
Don't care
Terminal Web Guides
Rewind
Unwind
Type of Sensing
Edge Position Measurement
Web Width Measurement
Contrast Position Measurement
Hole/Void Detection
String Counting
Mark Detection
Whole Web Inspection
Other
Type of Installation
New machine design
Existing Machine Options
Add a web guide to a pre-existing machine
Replace existing web guide
Retrofit existing web guide
Existing Machine Options
Retrofit an existing sensor
Add a new sensor to existing machine
Other
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