磨床设备构造及原理.ppt

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1、Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,1,汽车行业磨床设备构造及原理,PTME内部培训课程2010年第一版主讲：沈煎明动力总成制造工程Tel:+86-21-2890-8541,磨床的种类,万能磨床-外圆磨床、内圆磨床曲轴磨床、连杆磨床、凸轮轴磨床、油针磨床端面磨床、无心磨床、坐标磨床工

2、具磨床齿轮磨床、螺纹磨床花键磨床轴承磨床,2,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,磨床的组成,床身：支撑整个机床的重量，具有很好的刚性工作台：支撑头架、尾架、中心架定位夹紧砂轮架：主切削运动，有不同的砂轮头架：工件定位、夹紧，工件旋转运动尾架：死顶尖、活络顶尖排楼架（中心架）砂轮修整

3、器液压系统,3,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,切削砂轮的种类,砂轮种类繁多按形状来分：婉形砂轮、碟形砂轮、圆柱砂轮按尺寸大小来分：小型、大型按砂轮材质来分：棕刚玉、白刚玉、碳化硅、人造金刚石按切削速度来分：低速、高速,4,Copyright 2009 SGM Training

4、Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,磨床常用的进给方式,横向切入磨削：沿着工件的轴线往复一次，砂轮纵向进给一个单位。纵向切入磨削：工件旋转一圈，砂轮纵向进给一个单位无火花磨削：砂轮停止进给，工件完成一个磨削循环。,5,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights rese

5、rved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,M1432万能磨床砂轮主轴结构图,6,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全

6、部或部分拷贝/转印,Y7520W螺纹磨床砂轮主轴结构图,7,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,大多数磨床为什么使用滑动轴承？,滚动轴承与滑动轴承的差别在那里？滑动轴承工作原理是什么？滑动轴承的种类有哪几种？滑动轴承通常采用什么材料？,8,Copyright 2009 SGM Tra

7、ining Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,滑动轴承具有承载能力的必要条件,轴承结构具有斜契轴与轴承具有一定转速液体介质具有粘度,9,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced

8、 in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,滑动轴承的种类,三瓣式、五瓣式轴瓦滑动轴承（短、长）整体式成型腔式滑动轴承整体薄壁式弹性变形式滑动轴承马根生轴承，轴承采用双金属结构，外壳采用15#钢，内衬用锡青铜离心浇注。静压轴承滑动轴承动静压滑动轴承,10,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in pa

9、rt without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,Y7520W螺纹磨床砂轮主轴,11,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,一般机床主轴轴承,12,Copyright 2009 SGM Training Center版权归

10、SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,Y7520W螺纹磨床砂轮主轴整体薄壁式弹性变形滑动轴承,13,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without

11、prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,承载工作原理,14,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,可轻瓦多油契径向轴承,15,Copyright 2009 SGM Training Center版权归SGM培训中心所有All righ

12、ts reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,万能磨床,M1432A磨床砂轮架滑动轴承结构图,磨床头架与尾架,头架的功能：工件定位、夹紧带动工件旋转尾架的功能：工件定位、支撑,二顶针定位加工方式,外圆磨床加工,数控曲轴磨床,21,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may no

13、t be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,头架、尾架结构,22,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,曲轴径磨床,23,Copyright 2009

14、 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,凸轮轴磨床,24,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without

15、 prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,SGMPTP磨床结构介绍,曲轴LANGDIS主轴径磨床曲轴LANGDIS曲轴径磨床端面磨床,主轴径磨床,LANDIS主轴径磨床,LANDIS磨床主轴,砂轮主轴内部构造,砂轮架主轴,砂轮主轴剖视图,砂轮主轴,砂轮主轴动平衡,动平衡调整,液体静压轴承工作原理,35,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part

16、without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,液体静压轴承工作原理,36,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,砂轮主轴,砂轮修整器及砂轮修整方法,CBN Rotary Diamond Dresser Motorised S

17、pindle,DIAMOND,HOUSING,STATOR,AIR PURGE,SPINDLE,ROTOR,各种砂轮的形状,修整器的驱动,磨床进给装置,伺服电机静压丝杆配直线道轨驱动直线电机配合直线道轨驱动（曲轴磨床、凸轮磨床）为什么曲轴磨床用到直线电机？,头架与尾架,头架卡盘及机械手上下料,工件夹头,marposs在线测量仪器,工件在位检测,磨床尾架结构,液体静压轴承、静压丝杆,液体静压轴承、静压丝杆特点是什么？一般磨床存在最大的问题是什么？根据你在设备上的观察静压技术用在那些方面？,滚珠丝杠结构是滚动轴承原理的延伸,液体静压丝杆工作原理,静压丝杆剖视图,主轴径跟踪磨削原理,56,Copyr

18、ight 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,主轴径跟踪磨削原理,57,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in

19、 part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,主轴径跟踪磨削原理,58,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,端面磨床,59,Copyright 2009 SGM Training Center版权归SGM培训中

20、心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,端面磨床,60,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司

21、书面授权不得全部或部分拷贝/转印,端面磨床的特点,对于端面磨削，刚性较好、磨削效率高砂轮寿命长 冷却液容易进入磨削区滑动轴承受力比较好磨头、头架、尾架结果基本与外圆磨床相同进给方向与工件轴心成一定的角度（一般成60度）,61,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,62,Copyright 2009 SGM Training Center版权归SGM培训中心所有All rights reserved.This material may not be reproduced in whole or in part without prior written approval本教材未获公司书面授权不得全部或部分拷贝/转印,谢谢！,