New-BST-Logo-(Small)-(WinCE)

Web-Guide System by BST Promark

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The web guiding systems produced by BST Servotechnik, our sister company in Germany, are dependable workhorses world-renowned as vanguards of design. BST PRO MARK is their exclusive marketer to North America. From BST's rigorously tested, industrial-grade modular components, the crack engineering team at our Elmhurst, Illinois, facility designs and assembles custom systems to fit your needs like a glove.

 

CONTROL LOOP

  • Basic System Operating Principles
  • The components of BST web guiding systems perform together on the line as a "control loop":
  • The starting point is the current position of the web.
  • One or more sensors record the actual position of the web and send the relevant information to the commander.
  • The commander compares the actual position to the specified value. If there is a difference it sends a proportional correction signal to the actuator.
  • The actuator corrects the position of the web via the guiding device.

COMMANDER

Introducing the ekr Pro family - the latest generation of web guiding controllers from BST. Flexible and more versatile than ever in a compact package, the ekr Pro familiy is engineered for higher performance in tough applications. Based on the CAN bus protocol, the ekr Pro family allows communication with all off the shelf equipment and systems supporting the CANopen protocol.

The compact size allows these new controllers to be fitted directly on or in the guiding device. LED indicators show the operating staus of the controller at all times.

 

Used for:

  • edge guiding
  • center-line guiding
  • guiding to a printed line or edge

The new ekr Pro family included our unique “watchdog” function, that actually prevents waste on slitters! They can be directly connected to our complete range of actuators, with or without position feedback.

Digital Commanders for all Applications
Our digital commanders provide precise and fast signal processing for optimum guiding results.

CCD Line Guider
Designed for use with our CCD 2004 camera.

EKR 1000
Basic commander for web edge and web center-line guiding.

EKR 1500
Commander for universal use. Combines the functions of the basic commanders, CCD Line Guider and EKR 1000.

EKR 3000
Combination commander with remote control.
Combining push button simplicity with profibus technology means that you can finally put the web guide interface where the operator needs it. But that is just the beginning of the design freedom given by the EKR3000. Advanced architecture allows the guiding system to be easily integrated into press controls, consoles, CPU's. Supports our entire range of sensors.

Ideal for accurate guiding of :

  • a web edge or to a center line
  • continuous or interrupted lines
  • edge lines of print or contrasts
  • scorings or embossings

ET 1500
External keyboard for extended functionality of the EKR 1000 and EKR 1500.
For use in conjunction with material width measurement and material width monitoring.

SENSORS

  • The Optimum System for Any Material
  • Our sensors accurately detect the position of a running web according to selected features such as web edge or web center-line.
  • We offer a variety of sensing systems for assorted materials
  • Ultrasonic sensors
  • Dirty or dusty environments
  • Plastic film with changing transparency
  • Light-sensitive materials
  • Explosion-proof environments
  • Clear film where print approaches the very edgeInfrared sensors
  • Transparent and non-transparent materials
  • Pneumatic sensors
  • Environments where paper generates a large amount of dust

 

CCD CAMERAS

  • CCD Cameras for Digital Detection of Webs
  • Contact-free detection and monitoring of web processes
  • Camera output is useful for:
    • Web guiding
    • Width measurement
    • Monitoring process cutting devices and more.
    • Camera parameters can be changed on the fly, eliminating change-over downtime.
    • 30,000 pixel resolution

 

 

GUIDING DEVICE

  • Guiding Devices for Correction of Web PathKeep your web or production line materials accurately positioned and aligned.Guiding systems for unwinding/rewinding
    For precise control during print and subsequent roll processing with minimal space.Rotating frame guides (DF)
  • For correction of web error within a relatively short distance and minimum stress on the web.
  • Swivel roll guides (SF)
    For relatively long entry and exit spans.
  • Turning bars
    For turning the web 90 degrees or marrying multiple materials while keeping both webs accurately aligned.

  • NETWORKING
    • Internal Networks
      Networking has never been easier, than with the new ekr Pro family of guiding devices. Networking ekr Pro Com, ekr Pro Net and ekr Pro key units allows central operation of many devices from a single controller or keyboard. The desired control device is selected simply by its address in the network.External Networks
      Because all controllers in the ekrPro family use a serial CANbus interface, they can also be connected to higher level systems such as PLC’s or PC’s, or to different bus systems via a BST interface. The CAN bus system guarantees secure, rapid data transfer, as well as integration into any engineered control system.

  • ACCESSORIES
    • Accessories for Maximum Accuracy and ProductivitySensor positioning devices
      Allow fast re-positioning of the sensor in applications where web widths change frequently.Servo-center operators
      Used to accurately move the guiding device to a specified position, such as to the center of the correction span.Oscillation devices (mechanical or electronic)
      For rewinding materials of uneven thickness.Electronic remote precision adjustments
      Used to correct the web position from a single or multiple remote locations.