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发布时间: 2013 - 11 - 29
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...
发布时间: 2017 - 02 - 28
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...
发布时间: 2017 - 02 - 28
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(...
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Grinder maintenance is very important four points need to know

Date: 2016-02-25
Browse Number: 20

Grinder maintenance is very important four points need to know

At present, many enterprises in the purchase of machine tools, the main concern is the performance and price of the machine tool, the subsequent maintenance of the machine tool but not too much care. In fact, we can think about from the side of the car. When we buy a car, because taking into account the safety of life, so in the car maintenance, we will timely maintenance. For the machine tool, in order to create benefits for the enterprise at the same time to the maintenance cycle is the lack of the necessary maintenance, so it is prone to failure, reduce the service life of machine tools.

How should we maintain the grinder?

Some grinding machine operators are to do things carelessly grinder maintenance, so that the machine often fails, affects the working efficiency. Xiao Bian in the maintenance of the grinder finishing some suggestions.

First, the installation of machine tools

The bearing capacity of the ground floor of the machine and the running time of the machine, such as ground load is not enough, will affect the accuracy of the machine tool run off. Selection of hydraulic oil and lubricating oil for grinding machine. The hydraulic oil is usually used 32# or 46# anti-wear hydraulic oil, lubricating rail oil using 46# rail oil, pay attention to the type of grinder, to prepare enough oil. The electric power line matching, such as wire carefully will hot wire, heavy load, causing short circuit tripping, electricity production factory; unloading machine in place, must ensure that sufficient loading and unloading equipment, aisle enough mobile space machine, the machine will not cause collision and personnel safety.

Two, before the machine tool

The grinding machine is installed in place to check whether the oil pipes, wires and water pipes are locked. When the transmission parts of the grinding machine are turned on, please use the manual test machine to ensure that the transmission of each part has been opened. Operators also need to pay attention to the main axis of the grinding machine, grinding wheel and the processing of materials and the balance of the grinding wheel.

Three, grinding machine tool

To see whether the workpiece is adsorbed or clamped firmly, the distance between the grinding wheel and the workpiece. Observe the operating speed of the transmission parts and feed in the process, to prevent accidents. Workpiece turnover or shift after grinding, to clean up the disk and workpiece surface adsorption, strict use of air cleaning gun. Boot disk magnetic suction, oil pressure, grinding wheel, open stop valve, water pump, shutdown sequence is open and stop valve, water pump, oil pressure, spindle, disk demagnetization.

Four, regular maintenance of machine tools

Before the operation of the work of the grinder and the surrounding waste sorting station, observe whether there is oil leakage around the grinder. Check the lubrication of the grinding wheel in the grinding machine every week. Every 15-20 days for the machine cooling water tank cleaning, replacement of lubricating oil machine guide every 3-6 months, please replace the rail when the filter cleaning lubricating oil tank and oil pump, every 1 years to replace the hydraulic oil to the fuel tank and filter cleaning. Grinder idle more than 2-3 days or more do not need to clean up the work table dry rust proof oil, in order to prevent the table rust.

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