"CBF" stands for cross belt finish on the wide belt sanders by manufacturer Weber

This patented sanding technology was first introduced at the Ligna in 2005.

construction

The basic construction equals a longitudinal grinding sanding pad unit and combined sanding unit mit segmental pressure pad. In this unit a wide belt station goes transversal to the advance direction. The wide belt station proceeds between the sanding belt and the pressure element of the segmental pressure pad.

Within the wide belt sanding station a cross-running chevron belt is installed, which is used in connection with the segmented pressure bar. Similar to a cross sanding unit it runs without control and its wear is uniform.

Effect

The effect of the abrasive grain on the workpiece is again and again interrupted because of the diagonally profiled surface of the chevron belt. This leads to workpieces that are free of oscillation traces which have been sanded with a cross sanding unit. At the same time, the constantly alternating pressure prevents the surface from heating up too much and thus, a gluing of the sanding belts when processing lacquer and plastic panels.

advantage

• The wide belt station technology with their consistent grinding pattern, the combined units and thus the handicraft operations can be deployed which was not possible until then, as the lamella belt could have disturbed the process when using the contact roller.
• A narrow wide belt station can be replaced cheaper than a wide lamella belt.
• The effect of the segmental pressure pad stays proceedingly preserved because of the material thickness of the transversal lamella belt.