19
Mobility
Compaction
Shape of bales
Scale
Low
Square
Small scale
Medium scale
Big scale
Round
Compaction
Compaction
High
Density
Mobile
Moving operation; hauled
and baling-operated by
tractor or self-propelled
Stationary operation in a
Bale density of < 300 kg m-3
Bale density of 300 kg m-3
and above
< 60 HP
60–100 HP
> 100 HP
certain place, it is usually
designed to make square
bales
balers
Stationary
Mechanized Collection
Fig. 2.3 Classification of mechanized rice straw collection in Asia
4-Wheel
Drive Tractor
Three-point
linkage
Pick-up
Rear door for
discharge
Rollers
Hydraulic
cylinder
Drive wheel
PTO drive
shaft
Knotter
Fig. 2.4 Parts of a roller-type baler
2 Mechanized Collection and Densification of Rice Straw