土に対する鋼の摩耗試験について : キャタピラ機構における摩耗-I

概要

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To find out of the prevention method of defacement in case of Caterpillar Mechanism in tractor, when heat-treated link and roller operat in sand and clay, I examed following condition by using Amsler-type abrasion testing machine. Namely, condition is slip velocities 0〜15cm/sec and contacting pressures 50〜120 kg/mm^2. The test piece of link at this time is 0・52%C steel, which oil heat-treated in 800℃ by high frequency induction and the other roller is follow, 0・19, 0・52 and 0・71%C steel. The roller material is in next three cases, combined roller material and test roller with sand. i.e. Case-1 0・19%C steel carbonized Case-2 0・52%C steel high frequency heat-treatment Case-3 0・71%C steel standard structure. As a result, we confirm that in prevention of defacement case-1 was most effective, and sand caused the most severe damage of the test pieces. And the results of this case prove to accord precisely with the deta in the actual field of defacement condition. For the purpose of bring sand and clay clored to practical condition. Its contained 30% water in weight comparison sand and clay, but it done lubricationd faculty, and became clear that the test pieces of each other is not a little defacement.
社団法人日本材料学会の論文
1958-02-15