Influence of Eccentricity of Drive Mechanisms …
507
Fig. 1 Experimental stand: 1–food cart; 2—upper block with sieves; 3—the first sieve of the upper
block; 4—the second sieve of the upper block; 5—fan; 6—shutter of chaff evacuation; 7—lower
block with sieves; 8—the first sieve of the lower block; 9—the second sieve of the lower block;
10—frame; 11—the backup sieve box; 12—drain chamfer for small impurities and splinters; 13—
first-quality seed drain chamfer (main culture); 14—electric engine; 15—second-quality seed drain
chamfer; 16—drain chamfer for large impurities
Table 1 Appliance used in experiments
Current
number
Device name
Measurement
units
Number of
pieces
Measuring
accuracy
Measured
values
1
Callipers
mm
1
±0.1 mm
Dimensions
2
3 m reel with air
bubble
mm
1
±1 mm
Dimensions
3
Analytical balance g
1
±0.1 g
Masses
4
Suit type scale
kg
1
±0.1 kg
Masses
5
Dynamometrical
balance (scale)
kg
1
±0.05 kg
Masses
6
Timer
s
1
±0.1 s
Time
7
Anemometer with
cups
ms −1
1
±0.05 m/s
Speeds
8
Laptop
Gb
1
HDD
500 Gb
Signals and
signal spectra