The "multi scraper MN 21" is a special scraper unit by manufacturer Homag.

• MN stands for the German "Multinachputz" which means multi-cleaning
• suitable for max. 3 different profiles
• The conversion from chamfer to radius is done automatically via the control. Different with the MN 20 where the vhangeover takes place manually.

Technical performance

• edge thickness up to max. 3mm
• the height adjustment takes place via the top pressure
• edgeband thickness up to max. 3 mm
• workpiece thickness min. 13 mm with R=3mm or min. 10 mm with chamfre

0,5x45 degree

• 2 HM knives designed for chamfer 20 degrees, R=2 and R=3 (standard knives, other profiles are possible)

Technical changes (2017):

• for max. 5 different profiles
• Tracing from top, bottom and lateral for chamfering or rounding of pre-cut PVC edges.
• blowing nozzles with electro-pneumatic control