Flow of seeds in 4-bar seeder metering device
ElHelew, Waleed; M. A. Hamada; A. G. El Kabany; W. K. El Helew;
Abstract
The aims of a variety of seeds including: maize, wheat, sunflower, peas and cotton. Study included: a computer program to draw the mechanism in different configuration this study are to investigate factors relevant to design of a 4-bar feeding device, to accept. Machine speed; wheel slip; and construction of agitator were also studied. The main results can be summarized in the flowing points:
-The appropriate 4-bar proportions are: 1.0, 1.5, 1.6, and 1.73 for crank, swing rod, con. rod, and base respectively.
-The average forward walking speed was 3.5-4 km/h.
-Hopper was found to need an agitator device, to regulate seeds distribution for big seeds like maize, sunflower and peas.
-Metering device could be used in small grains, like wheat without agitator (with only 1.19 % missing spaces).
-The relationship between furrow depth and wheel slip was as follows:
S = 0.1802x +1.3359, where “S” slip %, “x” depth cm.
-In cotton seeds “Giza 86”, it was found that the best feeding rate for coated cotton seeds (6 seeds/hill) is at gate height 2 cm, with 6.72% ratio of missing hills, comparing to uncoated seeds (up to 58.5%).
-The appropriate 4-bar proportions are: 1.0, 1.5, 1.6, and 1.73 for crank, swing rod, con. rod, and base respectively.
-The average forward walking speed was 3.5-4 km/h.
-Hopper was found to need an agitator device, to regulate seeds distribution for big seeds like maize, sunflower and peas.
-Metering device could be used in small grains, like wheat without agitator (with only 1.19 % missing spaces).
-The relationship between furrow depth and wheel slip was as follows:
S = 0.1802x +1.3359, where “S” slip %, “x” depth cm.
-In cotton seeds “Giza 86”, it was found that the best feeding rate for coated cotton seeds (6 seeds/hill) is at gate height 2 cm, with 6.72% ratio of missing hills, comparing to uncoated seeds (up to 58.5%).
Other data
Title | Flow of seeds in 4-bar seeder metering device | Authors | ElHelew, Waleed ; M. A. Hamada ; A. G. El Kabany ; W. K. El Helew | Keywords | Seeder – Metering device - 4-bar mechanism – Wheel slip – Shaker base agitation. | Issue Date | 2002 | Journal | Misr J. Ag. Eng. |
Attached Files
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Flow of seeds in 4-bar seeder metering device.DOC | 2.18 MB | Microsoft Word | Request a copy |
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