毕业设计轴头架总体设计.docVIP

摘要 根据加工的为法兰盘类零件的螺孔的设计要求，特设计此固定式四轴头架，用于零件中大批量生产。? 设计主要包括传动系统图的绘制，多轴头架上齿轮几何尺寸计算、绘制多轴头总图、轴承寿命的计算，确定四轴头架的工艺主参数，进行四轴头架的总体设计。 改装后的四轴钻床，可以同时完成四个孔的钻、扩、铰等工序。可以起到提高生产效率、降低成本、提高孔系加工精度等作用。此外该装置具有结构简单、操作方便、应用范围广等特点，值得推广。 关键词：立式?? 钻床?? 轴头?? 可调?? Abstract? The?design?of?multiple?spindles?heads?for?drilling?machine?whose?drills?spindles?are?adjustable?or?fixed?are?introduced?. ?The?adjustable?spindles?of?the?multiple?spindles?heads?are?located?evenly?in?the?circuit?and?can?be?adjusted?synchronism?on?the?diameter’s?direction?to?meet?the?small?scale?production?needs?of?the?screw?hole?manufacture?for?flange?plate?parts.And?the?fixed?multiple?spindles?heads?is?design?for?the?big?scale?production?needs?of?the?screw?hole?manufacture?for?parts,it?can’t?be?used?to?manufacture?another?farts,?because?it’s?spindle?distance?is?designed?for?the?only?part.? ?The?design?of?multiple?spindles?heads?include?three?parts?:?the?total?design,?the?transfer?system?design?,?and?the?constructive?design?. ?Because?of?the?un-development?in?our?manufacture?industry?,most?company’s?plant?lack?of?the?machine?to?drill?multiple?holes?at?the?same?time?,a?waste?of?funding?on?the?manufacturing?facilities?which?will?be?laid?after?the?parts?are?produced?.?so?the?economic???multiple?spindles?heads?enable?the?normal?company?to?drill?the?multiple?holes?in?a?fast?way?.And?same?company?gained?the?economic?performance?by?the?way?of?reequips?the.It’fact?that?the?reequipped?drilling?machine?can?satisfy?the?process?precision?requirement?.so?the?design?is?feasible.??Based?on?the?design?of?the??multiple?spindles?heads?,?we?can?also?design?the?others?to?the?manufacture?of?the?other?flange?plant?parts.? ??Key?words:???drilling?machine??;?multiple?spindles?heads;?adjustable;?gears. 目 录 第1章 绪论 1 1.1 课题研究的意义及现状 1 1.2 论文主要研究内容 2 第2章 设计要求 3 第3章 核算总轴向力和总功率 4 第4章 设计传动系统图 5 4.1齿轮模数的确定................................................................................................. ... 5 4.2确定工作轴直径.........