JKM8420A随动数控曲轴磨床.docx

JKM8420A 随动数控曲轴磨床Servo CNC crankshaft grinding machine我公司集数十年生产各种型号规格的曲轴磨床和凸轮轴磨床的经验， 吸取国际先进技术，结合当前国情，自行研制开发的一种新颖的曲轴精加工设备， 机床自动化程度高，采用砂轮架往复进给，头架力矩电机驱动工件旋转、随动在 线量仪检测，无需夹具公度，可一次装夹，全自动加工整根曲轴所有主轴颈及连 杆颈，是大批量生产多品种、高精度曲轴的理想加工设备It is a newly developed crankshaft finishing machining equipment based on production experience of various types and specifications of crankshaft grinding machine and camshaft grinding machine for decades, absorption of world-advanced technology and combination of current national conditions. In addition, it is of high level automation, and with the adoption reciprocating feed of grinding wheel carriage, work-piece rotation of head stock driven by torque motor driving and servo on-line instrument measuring, there is no need for fixture indexing and clamping at a time is enough, and all the main journals and connecting rod journals of crankshaft can be machined automatically. It is therefore the ideal processing equipment for producing a wide range of high-precision crankshafts.1. 采用德国(SIEMENS) 840D数控系统。

Adopting German(SIEMENS)840D CNC system2. 采用具有我公司自主知识产权的随动磨削软件(专利号： 200920063945.2实现随动高精度非圆磨削Adopting servo grinding software with proprietary intellectual property rights of our company(Patent number:200920063945.2)to realize servo high precision non-circular grinding.3. 采用具有自主知识产权液体静动压轴承电主轴(专利号： 200920064466.2),真正实现CBN砂轮120m/s高速磨削Adopting the electric spindle of hydrostatic-dynamic pressure bearing (Patent number:200920064466.2) to realize 120m/s high-speed grinding of CBN grinding wheel.4. 砂轮主轴配有意大利(Marposs)内置式动平衡、消空程和防碰撞装置， 确保高速磨削的稳定、高效、安全。

The grinding wheel spindle is equipped with Italian(Marposs) built-in on-line dynamic balance, gap time elimination and anti-collision device to ensure the stability, high efficiency and safety of high-speed grinding.which is of our proprietary intellectual property rights(Patent number:200920063749.5) to realize micrometer feed with high acceleration performance.5. 砂轮架纵向进给一X轴采用具有自主知识产权的圆柱静压导轨 +直线电机的精密进给系统(专利号：200920063749.5),实现了高加速性能的微米级进给Longitudinal feed of grinding carriageX axis adopts the precision feed system of cylinder hydrostatic slide-way +linear motor which is of our proprietary intellectual property rights(Patent number:200920063749.5) to realize micrometer feed with high acceleration performance.6. 头架米用局精度、局刚度静压主轴，驱动米用德国西门子力矩电机。

The headstock adopts static pressure spindle with high precision and high rigidity, and driven by Siemens torque motor .7. 砂轮横向移动导轨一Z轴采用矩形静压导轨+直线电机驱动，Z轴进给精度可 达 0.001mmHorizontal movement slide-way of grinding wheel — Z axis adopts rectangular hydrostatic slide-way +linear motor, Feed precision can reach 0.001mm.8. 修整采用电主轴、金刚石滚轮修整砂轮，通过 X轴和Z轴联动，可实现对 CBN砂轮的圆柱面、侧面和圆角的修整Finishing adopts electric spindle and diamond dresser for grinding wheel finishing; based on the linkage of X axis and Z axis, finishing of cylindrical surface, lateral and fillet of CBN grinding wheel can be realized.9. 量仪配有意大利(Marposs) FenarL随动量仪和T25G,实现非圆磨削的 自动补偿。

The measuring instrument is equipped with (Marposs) FenarL on-line servo measuring instrument and T25G to realize on- line auto-compensation of non-circular grinding.主要技术参数: Main specifications and Technical Parameters项目Item单位Unit规格 Specification最大回转直径 Maximum tactical diametermm中400最大加工长度 Maximum work-piece lengthmm850工件最大重重 Maximum work-piece weightkg100工件最大曲拐偏心E巨 Maximum word-piece crank lineareccentricitymm60CBN砂轮 CBN grinding wheelmm①650*①203*B砂轮最高线速(CBN砂轮) Maximum linear speed ofgrinding wheel(CBN grinding wheel)m/s120尺寸误差 Dimension errormm土 0.008圆度 Roundnessmm0.003圆柱度 Cylindricitymm0.005非圆截回轮廓曲线误差 Contour error on non-circularsectionmm土 0.03表面粗糙度(外圆) Surface roughness( ex-circle)pmRa< 0.4表面粗糙度(R弧) Surface roughness( R arc )pmRa< 0.63机床外形尺寸(主机)(长*宽*高)Overall dimensions(main frame)(Leighth*width*height)mm4500*2500*1900机床总重量Total weightkg18000机床总功率 Total powerkw80。