Calibrating sanding machine Viet Challenge 323B
3 belts
Top work width mm 1350
Belts development mm 1300x2620
1^ roll 90 sh with pneumatic exclusion from panel board with engine HP 20
2^ roll 80sh with pneumatic exclusion from panel board with oscillating blowers
3^ roll 60sh with pneumatic exclusion from panel board with engine HP 15 with 2^ unit
Automatic thckness adjustment
Feed advance speed variator
Blowers on  2^ and 3^ belts