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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
1DC Sensors
All-in-one sensor with built-in controller — 7 models from 96 to 960 mm
ODC Sensors
Fiber-optic sensor with external controller — 8 models from 48 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
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 Guides
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
Roll-2-Roll® Drivers
Stepper motor drivers for SCU5-based web guiding systems
MC QD 2A Driver
Compact 2A driver powered directly by the SCU5 -- no external power supply
MC QD 5.5A Driver
High-current 5.5A driver with separate power supply for heavy-load actuators
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
Quick Start Guides
Step-by-step setup for your application
FAQ
Frequently asked questions
About
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Contact
Reach our team worldwide
About our Company
OSU-patented technology since 2014
Team Members
Meet our engineering team
Events
Trade shows and industry events
Latest News
Company announcements and updates
RMA
Return material authorization
+1 (888) 290-3215
experts@r2r.tech
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What challenges are you facing?
Web Guiding
Width Measurement
Quality Control / Defect Detection
Position Sensing Only (No Guiding)
Retrofit / Upgrade Existing Equipment
New Machine Build
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What type of web guiding?
Edge Guiding
Center Guiding
Line / Pattern Guiding
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Edge guiding details:
Steering Guide (middle of the process)
Unwind Guiding (entry of the process)
Rewind Guiding (before winder)
Master/Slave Guiding
Chase/Follow
Oscillation
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Center guiding details:
Steering Guide (middle of the process)
Unwind Guiding (entry of the process)
Rewind Guiding (before winder)
Master/Slave Guiding
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Line/Pattern guiding details:
Line/Contrast Guiding
Pattern Guiding
Registration Mark Detection
Chase/Follow with a Line
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Width measurement details:
Web Width Measurement
Strip Width Measurement
Multiple Slit Width Measurement
Coating Width Measurement
Trim Width Measurement
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Quality control details:
Splice Detection
Hole/Void Detection
Tear Detection
Surface Defect Detection
Thread Counting
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Sensing details:
Edge Position Measurement
Line/Contrast Position Measurement
Multiple Edge Position Measurement
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