Clustered Powder Manufacturering Machine Cast

Powder metallurgy pinions were manufactured using mo prealloyed steel powder (0.85 wt% mo) mixed with 0.3 wt% graphite and lubricant.Pinions were compacted at 7.2 g/cm3, sintered at conventional temperature (1120 c) on a belt furnace and subjected to surface densification to achieve a fully dense layer up to 0.5 mm on tooth flanks and toot root and a minimum core density of 7.30 g/cm3.