LOG SKIDDING CONEMC LEOD DONALD
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A new method for determining form tolerances of combination sliding bearings on cone bits; 确定牙轮钻头组合滑动轴承形状公差新方法 3. Comprehensive evaluation of sliding bearing operation stability based on axle centre trail; 基于轴心轨迹的滑动轴承运行稳定性综合评价方法 更多例句>> 4...
A cone with a diameter of 12.7 mm and cone angle of 30° was used to register the average penetration resistance in the first 10 cm of the soil (at each 2.5 cm of soil depth). In each plot, PR was measured following the same protocol as BD (3 samples each in InR and 3 in Bt...
LOG SKIDDING CONEMCLEOD DONALD
doi:US3926410 ADonald A McleodUSUS3926410 * 1975年2月19日 1975年12月16日 Mcleod; Donald A. Log skidding cone
Dave Sheinin
The anti-skidding bolt-hole aluminum alloy hub is provided with a hub body, wherein at least four bolt holes are formed in an installation hub of the hub body, and each bolt hole is composed of a cylindrical hole and a cone-shaped hole. The anti-skidding bolt-hole aluminum alloy hub ...
the peripheries of the through holes are upwards vertically or obliquely provided with a plurality of outward or inward anti-skidding convex tooth parts which can be convex column parts, convex cone parts or convex tooth parts and the like; the convex tooth parts can be shaped like sawteeth, ...