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