... răngmmmyxdda 02, 7 62* )398,0904,01( *27 0*)1( *2 111=++=++=mmmyxdda38 ,24 02* )398,0494 ,21 ( *22 28*)1( *2 222 =++=++= Đờng kính đáy răng mmmxddf 62, 6 82* )904,0 *25 ,2( 70*) *25 ,2( 111=== mmmxddf97 ,23 22* )494 ,2* 25 ,2( 228 *) *25 ,2( 22 2=== 2. 2. ... NmmTMMNmmMMMotdyxo7,4 320 2 323 8750.75,07,3793 327 5,07,3793 322 424 0 029 1780 22 22 222 211=+=+==+=+= mmMdtdo3163.1,07,4 320 23][1,0331===+Tại mặt cắt O 2 NmmMNmmMtdO318 728 238750.75, 024 25 62 2 425 621 995 324 1740 22 22 2 =+==+= ... )(36086,16.1188.)(4 728 6,16cos/ 82, 20.1188cos/.)(1188667, 42 5 ,25 340 .2 2) (21 286,16.700.) (27 8)86,16cos(/) 82, 20(.700cos/.)(700199 ,28 11896 *2 *2 223 222 22 322 2 2 ' 2 322 2 122 3 12 122 3 12 11 23 12 NtgtgFFFNtgtgFFFNdTFFNtgtgFFFNtgtgFFFNdTFFotaaotwtrrwttotaaotwtrrwtt========================...