The grinder is a national 863 support project in 2008.The machine tool adopts the grinding method which is based on the grinding point cut. It does not need the auxiliary mechanism such as eccentric fixture, indexing device and so on. Using imported spindle system, the maximum speed of CBN grinding wheel can reach 120m/s. We have developed the interpolation software of the crankshaft cutting point tracking and grinding, and the grinding point of the grinding wheel is always following the rotation of the crankshaft to realize the high precision grinding of the crankshaft. The feed of the grinding wheel is driven by straight line, which has the characteristics of high acceleration response. At the same time, the rigidity and the sensitivity of the grinding wheel are improved by using the sel...
MKS8140 high speed CNC Crankshaft Grinder, MKS8240 high-speed NC crankshaft grinding machine adopts imported computer and AC servo drive control system of axes motion, can be equipped with automatic measurement of radial and axial line, wheel automatic balancing system, eliminating idle and collision prevention device, and a grating with a closed-loop control. Servo motor with the knife with the knife. Connecting rod grinding machine with automatic indexing, automatic positioning, automatic clamping workpiece, loose, head and tail synchronous linkage functions. The grinding wheel is made of diamond roller dressing or diamond dressing, which has the function of grinding wheel wear compensation and automatic dressing compensation.
The machine tool is equipped with a radial automatic on-line measuring device, which realizes the full closed loop control of the X axis of the grinding wheel frame, and ensures the machining parts meet the strict precision requirement in the radial dimension. The machine equipped with dynamic balancing device, anti-collision stabilizing device and the system power supply, to ensure that the system is not due to mutation of external conditions (such as voltage fluctuation, the workpiece blank size anomaly etc.) affect the machine, greatly improve the accuracy and safety of machine tools.
And the grinding liquid by paper filtering and magnetic separation of water mist and dust; the dust suction device, the operator only need materials up and down, a person can see the number of machine tools, so the production efficiency is high, suitable for all kinds of automobile engine, motorcycle engine and diesel engine production manufacturers.Main structure and technical characteristicsThe bearing structure of high speed motorized spindle is in our own intellectual property and has been successfully used for many years in the high-speed grinding machine "gap cavity hole type oil return throttling liquid hydrostatic bearing on the prototype formed by an improved design. With a good bearing stiffness (up to 340N/ m), high rotary accuracy (radial, axial runout is less than 0.002mm...
The device is 2008 National 863 support program.The machine adopts the square structure layout, the tail frame is fixedly mounted on the bed rails, torque motor driven rotating workpiece, grinding wheel can move around and around, modular installation of multiple spindle according to functional requirements, selection and rotation of accurate positioning, to achieve compound machining camshaft.Main structure and technical characteristicsGrinding wheel spindle systemThe big wheel spindle system with built-in motor spindle, the maximum speed is 8000RPM, the use of inverter control, with a constant temperature device, pressure seal, spindle installed non-contact dynamic balancing system was built and integrated installation process, eliminating empty collision and repair AE monitoring device,...
机床简介MKS 8312C/CBN数控高速凸轮轴磨床是在MKS8312C磨床的技术基础上，公司开发的高科技产品。与MKS8312C相比该产品的总体要求有较大的提升,产品定位于中档数控装备，有机运用多种先进磨削方式，成功的将高精度、低成本融合在一台机床上，能满足各机械制造、汽车、内燃机等行业的需要，尤其适合中小型凸轮轴配套生产企业的需要。主要结构性能与技术特点 砂轮主轴系统（CBN砂轮架）砂轮主轴系统采用高刚性的后置式液体动静压电主轴系统，主轴轴承采用可调式小孔节流腔内回油式动静压轴承，具有轴承压力显示，失压保护。主轴系统回转精度≤0.002mm，静态刚性≥100NM，承载能力强。主轴电机功率18.5KW，采用CBN砂轮，最高线速度为100m/s。静压轴承供油系统单独设置静压油箱。主要液压件采用进口及国内名牌产品。因砂轮线速度高，为防止突然停电，设有气囊式蓄能器。 静压油箱配备精确的自动温控装置，将油温控制在25-35°，确保主轴系统和电机的恒温，提高机床的稳定性。砂轮架进给采用THK滚珠丝杆传动，支撑轴承采用进口高精度丝杆专用轴承。 砂轮架导轨采用V-平开式静压导轨，压力稳定在0.15MPa左右，以保证进给精确，平稳，无低速爬行，同时受力良好。砂轮架进给重复定位精度≤0.003mm。配置了德国DITTEL内置非接触式在线动平衡装置砂轮主轴上装有德国DITTEL内置非接触式在线动平衡装置，确保砂轮在高速旋转下的平衡状态。机床可带有自磨靠模装置，可用标准凸轮进行反靠磨制本机床所用的靠模样板。本机床在磨削进排气凸轮形线一致的零件时只需磨制一片靠模样板，可实现一台机床加工多种形线的凸轮轴。因此，本机床调试简单方便，...
MKS8312C三座标凸轮轴磨床，是数控凸轮轴磨床的第二代产品。机床简化了液压系统，增加了多种自动保护措施，具有自诊断功能，使机床工作更加安全、稳定。砂轮主轴采用静动压轴承，主轴箱和导轨部分可分离，便于维修和更换。机床具有MXBS8312系列磨床的全部功能，主要技术参数与之类同。
该机床能完成整根凸轮轴上全部凸轮和偏心轮外圆磨削的自动循环，并可实现工件变速磨削，砂轮采用意大利MARPOSS公司的自动平衡装置，能达到较高的平衡精度。并对磨削液采用了纸质过滤、磁性分离方式；对水雾、粉尘采用了吸尘装置，操作工只需上、下料，一人可看数台机床，故生产效率较高，适合各种汽车发动机、摩托车发动机和柴油机发动机等批量生产的厂家。主要结构性能与技术特点X轴系统砂轮架进给采用西门子公司的直线电机驱动，矩形静压导轨支持，无机械接触，具有冷却保护系统。砂轮架主轴系统采用内置电机动静压电主轴系统，电机功率30/35KW，主轴最高转速6000RPM，主轴跳动≤0.002mm， 采用变频器驱动配置了砂轮在线自动平衡装置 CNC8312Ｂ选用国际上最著名的MARPOSS公司内置动平衡装置，具备消空程和防碰撞功能，动平衡显示集成在840DＳＬ的显示面板内。力矩电机头架头架采用大扭矩伺服电机直接驱动工件主轴，无机械传动误差，输入灵敏度0.001度，能实现准确分度和高低速灵敏转换研制成功了高精度液压自动跟踪中心架 为适应各类轴类零件的自动磨削，CNC8312Ｂ设计了三点支撑液压跟踪式中心架，中心架夹持范围为￠30－￠65，最大工作压力2Mpa。为减低中心架在加工与装配以及长期使用的磨损误差，中心架可作轴向平行度的调整，上下支撑相对于中心位置可作微量调整。液压自动跟踪中心架具有刚性好、控制准确、响应快、操作简便、调整灵活及支撑精度高的特点，它运用双杠杆的结构原理，通过特殊角度的对称楔型驱动块，可自动跟踪和适应工件轴颈的尺寸和形位误差，定心精度为0.002mm。数控系统 机床采用三轴两联动控制分别控制砂轮架进给系统（X轴）、工件头架迥转系统（C轴）和工作台移动部分（Z轴）。工件头架迥转和砂轮架进给联...
该设备是2009年国家重大专项支持项目。可以解决工程陶瓷、微晶玻璃、硬质合金、人造宝石晶体等超硬材料、钛合金、不锈钢、镍基铁氧体材料等耐热合金材料以及复合涂层材料等难加工材料轴类零件的精密加工问题，适用于航天航空、国防军工等行业中的特定材料零件的加工。MKG1320超高速数控外圆磨床可配备自主研制的超高速电主轴砂轮架及进口电主轴砂轮架，线速度可高达150m/s。借助AE在线监控系统可实时监测砂轮的磨削及修正工况，为快速正确确定磨削工艺提供可靠依据。自动跟踪定心中心架的采用可大幅提高细长工件加工的尺寸及形状精度，另配合全功能在线量仪可大大提高生产效率，有效降低生产成本。超高速电主轴超高速电主轴采用油冷电机后置动静压电主轴系统。主要由液体动静压轴承系统、主轴动平衡系统、电机冷却系统及高速CBN砂轮组成。 通过液体动静压轴承的优化设计，可保证主轴的平稳启动及高速运转时的主轴刚度。主轴由后置电机直接驱动，通过精确控制转子与定子的同轴度及间隙可有效消除驱动单元给主轴系统带来的扰动。 主轴系统由砂轮架主轴、CBN砂轮及在线动平衡仪组成。砂轮主轴加工后做精密动平衡，为保证砂轮装卸后主轴系统的动平衡，本机采用进口SBS在线动平衡仪对主轴系统进行精密动平衡控制。另外，设计过程中采用有限元法对砂轮架系统及整机作振动性能分析，并通过实验确保砂轮架在工作速度范围内整机不发生谐振。一系列关键问题的解决可保证砂轮架在高速状态下稳定工作。 主轴动平衡本公司MKG1320超高速外圆磨床采用CBN砂轮，当CBN砂轮高速旋转时，其修整状态，磨削状态都无法像普通砂轮磨削和修整时用人工观察并进行控制。在磨削和修整期间，砂轮和工件都会产生一定频谱的噪声，其主要分布在超声波的范围内，与其他外界产生的噪音（...