摘要轴类零件是机器中经常遇到的典型零件之一
它在机械中主要用于支承齿轮、带轮、凸轮以及连杆等传动件,以传递扭矩
按结构形式不同,轴可以分为阶梯轴、锥度心轴、光轴、空心轴、曲轴、凸轮轴、偏心轴、各种丝杠等轴的长径比小于5的称为短轴,大于20的称为细长轴,大多数轴介于两者之间;轴用轴承支承,与轴承配合的轴段称为轴颈
轴颈是轴的装配基准,它们的精度和表面质量一般要求较高
根据零件的结构及其功能,运用定位夹紧的知识完成了夹具设计
关键词:轴类零件、轴颈、夹具AbstractThemachineshaftisoftenencounteredinoneofthetypicalcomponents
Itismainlyusedforsupportinmechanicalgears,pulleys,camsandconnectingrodsandothertransmissionparts,totransfertorque
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Journalistheaxisoftheassemblybase,andtheirgeneralrequirementsforprecisionandh