MISR JOURNAL OF AGRICULTURAL ENGINEERING ISSN-Print: 1687-384X https://mjae.journals.ekb.eg/ ISSN-Online: 2636-3062 Misr J. Ag. Eng., 37 (4): 325 - 330 DOI: 10.21608/mjae.2020.47247.1012 MJAE, October 2020 325 REVIEW OF SOME PARAMETERS RELATED TO THE BASE-CUTTER OF SUGARCANE HARVESTERS Abdallah M. Zein El-den 1 , Saad F. Ahmed 1 , Waleed M. Hanafy 2 , Abdallah E. Elwakeel 3&* 1 Prof., of Ag. Eng., Fac. of Ag., Alexandria U., Alexandria, Alshatby, Egypt. 2 Assist. Prof., of Ag. Eng., Fac. of Ag., Aswan U., Aswan, Egypt. 3 Assist. Lect., of Ag. Eng., Fac. of Ag., Aswan U. Aswan, Egypt. * abdallah_elshawadfy@agr.aswu.edu.eg © Misr J. Ag. Eng. (MJAE) Keywords: Sugarcane, Physical and mechanical properties, Cutting methods, knife edges, blade angles ABSTRACT Sugarcane represents the main cash crop in Upper Egypt. Area cultivated with sugarcane over 300,000 feds with average production 48 t/fed and total production may reach 16 million tons. The cost of labor has been increasing where the price is uncompetitive with the cost of mechanical harvesting with imported machines. Egypt needs to change its sugarcane harvesting methods from manual harvesting to mechanization to match the development occurred in similar countries. To mechanize sugarcane harvesting. Local cheap harvester should be manufactured considering our particular conditions. The study aimed to review and conclude some parameters the base cutter of a sugarcane harvester. The parameters, many include Physical and mechanical properties of sugar cane, cutting methods and types of knife edges, blade angles for cutting blades, cutting velocity (rotational speed) and forward velocity. Several researchers have been reviewing and reporting these parameters from variable point of views and variable objectives. INTRODUCTION he parameters related to the base cutter of a sugarcane harvester: 1. Physical and mechanical properties of sugar cane: Bosoi et al. (1996) reported that the sugarcane cutting force depends on the physical and mechanical properties of the sugarcane stalk and the thickness of the cutting blade. El- Nakib et al. (1996) performed tests on the Egyptian sugar cane variety C9 and they found that the average diameter of the stalk was 2.3 cm, and the cane stalk hardness was 775 N. Drees, (2005) mentioned that the cutting force changed from 1272 N to 1140 N through the stalk bottom, at stalk middle decreased from 1116 to 936 N and at the top of stalk cutting force declined down to reach 768 N. The maximum diameters of the cane stalks during harvest were 2.1 cm and 3.05 cm respectively at bottom and top. Taghinezhad et al. (2012) found that the maximum force increased from 313.75 to 592.74 N when the stalk diameters increased between 1.715-1.764 to 2.547-2.729 cm at internode and it also increased from 350.30 to 811.97 N when the stalk diameters increased between 17.23-17.88 to 24.49-25.35 mm at node. Samaila et al. (2012) reported that 401.5 N and 1310.35 N were needed for cutting the top and base of the T