Infeed roller at a planer and moulder in front of the first bottom spindle, which is pneumatically high-low clocked (surface planing or leveling).

• see also clock-controlled feed

The use of larger roller diameter (> 220mm) for wet, resinous and hard wood is optional. If the machine is automatically feeded by magazines or mechanisation systems, the infeed roller will be equipped with a freewheel gear (slip clutch).