Impact of technical parameters on the horizontal resistance component when slicing soil with a duckfoot share.

Impact of technical parameters on the horizontal resistance component when slicing soil with a duckfoot share. The aim of the paper was studying the resistance during splicing of soil, represented by the horizontal resistance component (Fx), depending on changes of speed and working depth of a work piece in form of a duckfoot share. The study was realized under laboratory conditions in a soil channel which ensured repeatability of results. The tested work piece was a duckfoot share with width of 135 mm installed on a spring tine type VCO with stiffness of 8.3 kN·m–1. The tests utilized two working depths for the tool: 0.03 and 0.05 m and two working speeds: 0.84 and 1.67 m·s–1. Changes in the horizontal resistance component (Fx) depended on the speed and the working depth. At constant parameters of the soil and the tool, change in working depth from 0.03 to 0.05 m resulted in increase of resistance by 42.6% for the working speed v1 = 0.84 m·s–1 and 58.8% for v2 = 1.67 m·s–1.

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