机床与液压
機床與液壓
궤상여액압
MACHINE TOOL & HYDRAULICS
2014年
17期
131-134,83
,共5页
平滑枕%牛头式电火花机床%悬臂结构%筋板%比刚度
平滑枕%牛頭式電火花機床%懸臂結構%觔闆%比剛度
평활침%우두식전화화궤상%현비결구%근판%비강도
Smooth pillow%Tauren type EDM%Cantilever structure%Stiffened plate%Specific stiffness
平滑枕是牛头式电火花机床的关键部件,牛头式结构是典型的悬臂结构。在受到重力和加工力的作用下,作为悬臂结构的薄弱环节,平滑枕极易产生变形,从而反作用于主轴,严重降低机床的使用性能。对牛头式电火花机床平滑枕的筋板结构进行了分析,并提出了一种全新的结构形式。最后以比刚度为评价原则,得到最优的结构方案,为牛头式电火花机床机床运动部件的设计提供了理论依据。
平滑枕是牛頭式電火花機床的關鍵部件,牛頭式結構是典型的懸臂結構。在受到重力和加工力的作用下,作為懸臂結構的薄弱環節,平滑枕極易產生變形,從而反作用于主軸,嚴重降低機床的使用性能。對牛頭式電火花機床平滑枕的觔闆結構進行瞭分析,併提齣瞭一種全新的結構形式。最後以比剛度為評價原則,得到最優的結構方案,為牛頭式電火花機床機床運動部件的設計提供瞭理論依據。
평활침시우두식전화화궤상적관건부건,우두식결구시전형적현비결구。재수도중력화가공력적작용하,작위현비결구적박약배절,평활침겁역산생변형,종이반작용우주축,엄중강저궤상적사용성능。대우두식전화화궤상평활침적근판결구진행료분석,병제출료일충전신적결구형식。최후이비강도위평개원칙,득도최우적결구방안,위우두식전화화궤상궤상운동부건적설계제공료이론의거。
The smooth pillow is a key component of the Tauren type Electric Discharge Machine (EDM),and the type is a typi-cal cantilever structure. Under the action of gravity and cutting force,as a weak link of a cantilever structure,smooth pillow is easy to deform,which reacts to the spindle,severely degraded the performance of machine tool. The stiffened plate structure of the Tauren type EDM's smooth pillow was analyzed,and a kind of new structure form was put forward. With the specific stiffness as evaluation princi-ple,the optimum structure scheme is gotten,which provides the theoretical basis for the design of Tauren EDM's moving parts.