普通车床主轴箱设计.doc

毕 业 设 计 (论 文) 专 业 机械设计制造及其自动化 班 级 机自071 学生姓名 学 号 课 题 车床主轴箱设计 指导教师 2010 年 12 月 11 日 摘要 普通中型车床主轴箱设计 普通中型车床主轴箱设计，主要包括三方面的设计，即：根据设计题目所给定的机床用途、规格、主轴极限转速、转速数列公比或级数，确定其他有关运动参数，选定主轴各级转速值；通过分析比较，选择传动方案；拟定结构式或结构网，拟定转速图；确定齿轮齿数及带轮直径；绘制传动系统图。其次，根据机床类型和电动机功率，确定主轴及各传动件的计算转速，初定传动轴直径、齿轮模数，确定传动带型号及根数，摩擦片尺寸及数目；装配草图完成后要验算传动件（传动轴、主轴、齿轮、滚动轴承）的刚度、强度或寿命。最后，完成运动设计和动力设计后，要将主传动方案“结构化”，设计主轴变速箱装配图及零件图，侧重进行传动轴组件、主轴组件、变速机构、箱体、润滑与密封、传动轴及滑移齿轮零件的设计。 【关键词】车床、主轴箱、变速系统、主轴组件。 ABSTRACT The common and medium-sized lather principal axis box design Common and medium-sized lather principal axis box design, mainly include the design of three aspects, namely:According to design topic give settle of the tool machine use, specification, principal axis extreme limit turn soon and turn soon the few rows male ratio or series, certain other relevant sport parameter, make selection principal axis all levels to turn to soon be worth;Pass an analysis comparison, choose to spread to move a project;Draft structure type or structure net, draft to turn soon diagram;Certain wheel gear Chi number and take a diameter;Draw to spread to move system diagram.Secondly, according to the tool machine type and the electric motor power, make sure that principal axis and each calculation which spread to move a piece turn soon, the beginning certainly spreads to move a stalk diameter, wheel gear mold number, make sure to spread to move to take model number and number, friction slice size and number;After assemble a grass diagrams completion want to check to spread to move a piece(spread to move stalk, principal axis, wheel gear and roll over bearings) on the whole of just degree, strength or life span.End, design and motive of completion sport spread the lord to move the projectthe structure turn after design, design a principal axis to become soon a box assemble diagram and spare parts diagram and lay particula