ME311|机械设计
2023年秋季
HW05
第04章轴承及轴设计
答案
南方科技大学
ME311机械设计|第04章轴承及轴设计|答案2
HW05.1
1.有一混合摩擦径向滑动轴承,轴颈直径=60,轴承宽度B=60,轴
瓦材料为ZCuAl10Fe3,试求:
(1).当载荷=36000,转速=150/时,校核轴承是否满足非液体润滑
轴承的使用条件;
(2).当载荷=36000时,求轴的允许转速;
(3).当轴的转速=960/时,求轴的允许载荷;
(4).求轴的最大允许转速。
1.Ifthereisamixedfrictionjournalbearing,wheretheshaftjournaldiameter=
60,thewidthofthebearingB=60,andthematerialofthebearingshellis
ZCuAl10Fe3.
(1)Iftheload=36000,andtheshaftspeed=150/,doesthebearing
meetsthestandardfornonliquidlubricatedbearingsinthisworkingcondition?
(2)Whentheload=36000,findtheallowablespeedoftheshaft,;
(3)Ifthespeed=960/,whatistheallowableload,?
(4)Whatisthemaximumallowablespeed,?
ME311机械设计|第04章轴承及轴设计|答案3
ForthematerialZCuAl10Fe3,
Therefore,thisbearingmeetsthestandardfornonliquidlubrication.
ME311机械设计|第04章轴承及轴设计|答案4
Sotheallowablespeedis382.2r/min.
Sotheallowableloadis14331.2