Edge Detectors
Accubeam3 Line Guide
Linear Actuators
Positive Displacement Guides
Hazardous Environments
Steering Roll Assemblies
Shifting Base Assemblies
Web Width Monitors

Made in the USA



Custom engineered Shifting Base Assemblies are manufactured with anodized aluminum plate or structural steel tube to provide superior performance and reliability.

AccuGuide Unwind/Winder-Rewind Shifting Base assemblies are manufactured in two construction methods. Structural steel tube (SB-FS Series) is used for wide web or high tension applications and anodized Aluminum plate (SB-AP Series) is used for mid to narrow webs. The low coefficient of friction linear bearing systems provide superior long term reliability and accuracy.

Shifting base assemblies are custom engineered to suit each application. Uprights and mounting surfaces are designed to accommodate tension/safety chuck systems. These assemblies come ready to install with pre-designed mounting feet that are level and tram.

Powerful electromechanical actuators can be sized to handle ANY application

Heavy-Duty FS Series Structural Steel TubeProvides exceptional strength and design flexibility for wider web or higher tension applications.

A variety of
linear bearings
are available

Low-Inertia AP Series Aluminum Plate DesignHigh strength-to-weight ratio allows fast frequency response in mid-to-narrow web configurations.

Linear Bearing System — Precise, low coefficient of friction, linear bearing assemblies are chosen to suit each application.

Exiting idler rollers can be mounted on shifting base assemblies

Easily AdaptableShifting base assemblies are custom designed to easily integrate with existing unwind or rewind stands.

Easy Wipe DownSmooth, anodized flat surfaces are simple to maintain in clean room environments.

WideArray™ Edge Detectors mounted on an FS model shifting base unwind asembly

Free-turning Idler Rollers — Free-running bearings minimize rotational torques – ideal for running light webs. Dynamically balanced rolls ensure vibration-free performance. Choose from live shaft or dead shaft options.

Edge Chasing and Edge Positioning — Custom models available to follow web position.

An AccuWeb® System is a Sound Investment

• Tangible Benefits — While web guides represent a nominal expense within an entire converting line, they can have considerable impact on product quality, process waste, operating speeds, efficiency and maintenance costs. Choosing a web guide system that delivers optimum trouble-free performance is a wise investment.
• The Support of Web Guide Experts — The AccuWeb application engineering team helps you determine the best guide design and location to fit your specific converting operation. By evaluating your web widths, materials and change-over frequencies, as well as operating environment, AccuWeb helps ensure greater harmony between our innovative guide components and your web converting process for an optimum return on your investment.

Typical Unwind/Rewind Web Guide Layouts
Unwind Guiding sidelays the entire roll of material to maintain a consistent edge position as the web enters into the process. An AccuGuide Unwind guide assembly positions the web edge to the guide point. The edge detector is stationary and located immediately following the last shifting idler roller on the unwind stand. An unwind guide eliminates problems such as uneven, telescoped or poorly wound rolls.

Winder/Rewind Guiding is accomplished by moving the roll of material to match the edge position of the web as it exits out of the process. An AccuGuide Rewind chases the web to keep it aligned properly on the rewind core. The rewind edge detector is attached to the moving rewind stand and is positioned on the upstream side of the last fixed idler roller.

Rewind guides create rolls with precise, even edges or can be used to oscillate, eliminating gage band problems.

rewind guiding

The moving frame pivots around an adjustable, theoretical pivot point on the incoming web span to maintain the desired web position. Linear bearing assemblies are factory set for each application.
Single Roll Steering (SRSR)
Double Roll Steering (DRSR)

Shifting Basae FS Frame Options Shifting Base AP Frame Options

• Electolys nickel
• Stainless steel
• Smooth welds
• Walkways
• Custom paint polors

• Hard-coat anodized
• Black anodized aluminum
• Stailess steel

Model Nomenclatre:
BST Network

AccuWeb, Inc.

4249 Argosy Court
PO Box 7816
Madison, WI 53707 USA.


Shifting Base Assembly