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El Shal, A., El Didamony, M. (2018). Performance of a Maize Chopping Machine with an Attached Sharpener Unit. Journal of Soil Sciences and Agricultural Engineering, 9(12), 793-798. doi: 10.21608/jssae.2018.36533
A. El Shal; M. El Didamony. "Performance of a Maize Chopping Machine with an Attached Sharpener Unit". Journal of Soil Sciences and Agricultural Engineering, 9, 12, 2018, 793-798. doi: 10.21608/jssae.2018.36533
El Shal, A., El Didamony, M. (2018). 'Performance of a Maize Chopping Machine with an Attached Sharpener Unit', Journal of Soil Sciences and Agricultural Engineering, 9(12), pp. 793-798. doi: 10.21608/jssae.2018.36533
El Shal, A., El Didamony, M. Performance of a Maize Chopping Machine with an Attached Sharpener Unit. Journal of Soil Sciences and Agricultural Engineering, 2018; 9(12): 793-798. doi: 10.21608/jssae.2018.36533

Performance of a Maize Chopping Machine with an Attached Sharpener Unit

Article 13, Volume 9, Issue 12, December 2018, Page 793-798  XML PDF (402.04 K)
Document Type: Original Article
DOI: 10.21608/jssae.2018.36533
Authors
A. El Shal1; M. El Didamony2
1Department of Agricultural Engineering, Zagazig University, P.O. Box 44511 Zagazig, Egypt
2Department of Agricultural Engineering, Tanta University, Egypt
Abstract
The sharpener unit attached to the chopping machine used for maize crops has a substantial effect on knife sharpness and chopping speed, which in turn affects machine productivity, chopping length, chopping efficiency and specific energy requirements. The machine was tested at four chopping speeds, which were 1650, 1900, 2150 and 2400 rpm (47.52,54.72,61.92 and 69.12 m s-1), and at three crop moisture content levels, which were 60, 70 and 77 %. The results showed that the performance of a sharpener unit attached to a maize chopping machine is better than a maize chopping machine without an attached sharpener unit in terms of productivity, chopping length, chopping efficiency, and energy efficiency. At a constant clearance of 10 mm, an optimum moisture content of 70 %, and an optimum knife speed of 2150 rpm (61.92 m s-1), the results showed that the maize chopping machine with a sharpener unit yielded a productivity of 5.74 t h-1, a chopping length of 15 mm, a chopping efficiency of 79.37 %, a specific energy requirement of 3.42 kW h t -1 and operating cost of 35.82 LE t -1
Keywords
Sharpener unit; Maize; chopping; Machine; Chopping length; Chopping speed; Chopping efficiency
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