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Effect of Sintering Process and Rolling on Surface Durability of Sintered Metal Gears.

2000; Japan Society Mechanical Engineers; Volume: 66; Issue: 647 Linguagem: Inglês

10.1299/kikaic.66.2383

0387-5024

Takao KOIDE, Satoshi ODA, Hitoshi Nakamura, Michinari Onishi,

Tribology and Wear Analysis

This paper presents a study on the effect of sintering process and rolling on the surface durability of sintered metal gears. Test gears made of partially prealloyed steel powders, which were compacted and sintered under various processes, were hobbed and then case-hardened. Some gears were rolled under various amount of rolling before case-hardening. The contact fatigue tests were carried out for these gears using the power-circurating-type gear testing machine. The effects of sintering processes and rolling on the surface durability and wear of sintered metal gears were determined to a considerable extent. Furthermore, the surface durability of the sintered metal gears were compared with those of the wrought steel gears.