平歯車のスカッフィング発生荷重と比摩耗量に関する研究 : 潤滑油と歯形の影響

概要

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Limiting load for scuffing was investigated using spur gears which were case-hardened and ground. The load was stepped up according to the load stages which were determined in accordance with the FZG spur gear test in our experiments up to the load stage where scuffing failure occures. Before and after running the test gears, the degree of wear was measured with a balance. At first the running time of test gears at each load was varied greatly and we found that the running time at each load stage has no influence on the limiting load for scuffing. For our experiments four kinds of base oil viscosity were used. As antiscuffing additive EP and ZDTP additives at various concentrations were used. Influence of lubricating oil viscosity and concentration of EP and ZDTP additive on limiting load for scuffing and specific wear were investigated and the results were summarized. Furthermore the integral temperature of the tooth surface according to the ISO proposal was illustrated and discussed.
一般社団法人日本機械学会の論文
1996-05-25