12
6.
MACHINE DESIGN
The KRUK – 4.5 m or 6 m semi-suspended type cultivator consists of the following
assemblies and subassemblies:
• the 3-point hitch to which two side frames are attached; disc blades are attached to the
side frames;
• the draw-bar with the hitch axis;
• packer mounting brackets with hydraulic adjustment of depth of operation which
allow for compacting of the opened soil to obtain the optimum soil structure for
sowing;
• the undercarriage frame;
• the truck;
• the beams with spring tines with operating depth and inclination angle adjustment;
• the double acting hydraulic cylinders with lines.
Fig. 4
KRUK Cultivator
1-
3-point hitch,
2-
machine arms,
3-
disc blades,
4-
undercarriage frame
5-
packer,
6-
truck,
complete,
7-
hitch, complete
6.1
TECHNICAL CHARACTERISTICS OF THE KRUK U-710 AND U-710/1
CULTIVATORS
Item
Parameters
Unit
Type
KRUK U-710/1
KRUK U-710
1
Cultivator type
-
suspended / semi-suspended
2
Service width
m
4,5
6
3
No. of discs
pcs
32
44
4
Packer type
- pipe (Ø600)
- Packer (Ø500)
5
Disc diameter
mm
Ø560
6
No. of scrapers
pcs
34
48
7
Depth adjustment range
cm
od 5 cm do 15 cm
8
Disc pitch
mm
250
9
Working speed
km/h
8-13
10
Efficiency
ha/h
4,0-6,5
5,0-8,0