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Solutions
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
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
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
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
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+1 (888) 290-3215 experts@r2r.tech

Roll-2-Roll Technologies
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WPS 900-xx QD

WPS 900-xx QD

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WPS 900-xx QD

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Fiber-optic web handling sensors for industrial automation.

Products

WPS Sensors
Web Guides
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ODC Cameras
Actuators
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Label & Narrow Web
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