Introduction
The tenter rails must follow the edge of the oncoming textile web exactly in order to guarantee perfect selvedge pinning or clipping.
No pinning or clipping
Lateral movements of the web cause frequent position errors at the pinning point.
Incorrect pinning or clipping
Lateral movements of the web cause frequent position errors at the pinning point.
Precise pinning or clippig
A consistent quality of the finishing process requires precise pinning or clipping of the web selvedge at the tenter infeed.
