Wearing Tests of Tines of the Power Tillers (I)

Abstract

In the laboratory test were obtained with various Material and the results were as follows.
1. The relation between wear and depth, rotary diameter of test pieces be able to express repetition in the experimental formula of
W=K(h³/D³)^m……(1)
where W=wear of test piece (gr),
h=maximum depth break into wearing sand of test piece (cm),
D=rotary diameter of test piece (cm),
K or m=experimental factor
2. There existed a critical point of circuler velocity of test piece that effected a sudden change in the wear of one. The critical point of circular velocity of test piece were 2.6m/sec respectively.