Web Tension

Web Tension

The force used to pull paper through a web press, which is a printer using a roll to churn out paper. Too much or too little web tension affects the quality of the print job.
References in periodicals archive ?
The Mark Andy press features advanced web tension management, self-aligning cassettes and superior drying and curing systems.
The winding tools to develop roll hardness are web tension, nip pressure (from a pressure or lay-on roll or winding drum) and winding torque from a center drive when center/surface winding film webs.
The Direct Drive system with Intelligent Motion[TM] technology, unlike conventional print & apply labelers, controls the entire label pathensuring web tension is maintained from start to finish, irrespective of speed or label size.
Tenders are invited for Web Tension Controller For Paper Machine Features Required:
An EasyView Indicator amplifies the web tension signal from tension transducers in a machine's web path, displays the tension on an analog or digital meter, and provides an isolated 0-to-10 VDC tension signal output, for use if desired, to a PLC, drive or controller.
The video concludes with a discussion of the G4's many weighing and force measurement applications, from single or multiple tank weighing to batching and web tension.
This construction creates a soft roller with a durable silicone-coated surface allowing the roller to be used for variable profile rewinding, which UK distributor Simplex-Turbulo says gives an even pressure across the web with very little increase in web tension.
Both Fuchigami (10) and Carvalho (11) reported that the minimum wet thickness, which is defined as the lowest stable coating thickness of a coating solution at specific operating conditions, is proportional to the tension number defined as the ratio of fluid viscous force to web tension.
Additional features include a new tag dispenser with web tension relief, strategically placed start/stop buttons, greater information gathering capabilities, and optional static discharge protection.
The G4 family of advanced process control instruments are designed for applications such as process weighing and control, force measurement, web tension measurement and control, automation, force vector calculations, high dynamic force measurement, and high-speed batching/blending systems.
These elements can be adjusted to set the desired shell curvature and they also enable the shell to adapt to changes in the web tension profile.
BLH and Nobel produce and sell process weighing systems, weighing and batching instruments, web tension instruments, weighing scales and related products.