Change of Coordinates of Main Spindle Box for Special NC Milling-drilling Machine

Being directed against the repairing difficulty for DAM6 × 25 six axes automatic lathe, the repairing plan of spindle drum bore which was worn seriously was determined and the worn components were repaired.

针对DAM6×25型六轴自动车床修复难点，确定了磨损严重的主轴鼓孔的修复方案，并对破损零件进行了修复。

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Control System Magnetic Suspend Bearing for Electrical Spindle of Bore Grinder

磁悬浮轴承内圆磨床电主轴及其控制

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The spindle bore size is105mm.

主轴孔的大小是105毫米。

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In the grinder, grinding wheel imbalance will not only cause the vibration and noise, serious impact on the improvement of quality and precision grinding, but also speed up the spindle and bearing wear, seriously affecting the grinding life.

在磨床上，砂轮不平衡不仅会引起磨床的振动和噪声，严重影响磨削质量和精度的提高，还会加速主轴及轴承的磨损，严重影响磨床使用寿命。

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Super high speed spindle and bearing technology is one of key technologies of super-high speed grinding. A basic shaft of super-high speed machine tool must reach high gyration accuracy, and insert bearing is critical faction.

超高速磨削主轴技术是超高速磨削的关键技术之一，超高速磨削机床运转时主轴要求达到很高的回转精度，关键在于所采用的高速精密轴承。

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The 8 node solid element with an one point quadrature is used for the model of grinding wheel, flange, spindle and bearing.

砂轮、法兰、主轴及支座采用一点积分的8节点实体单元。

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In accordance with the development of process routes for mass production, the manufacture precision of bearings increased than the original, bearing life increased by half than the original, and ultimately to improve the life of the spindle bearing, to meet product quality requirements.

按照研制的工艺路线进行批量投产后，轴承的制造精度比原来有了大幅度的提高，轴承的使用寿命较原来提高一半，最终实现了提高主轴轴承寿命的目标，满足了产品质量要求。

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The expense of platform test for the spindle bearing used in aeronautical engine is high and the many tests are small sub specimens and no failure, in this case, it is difficult to estabilsh the distributed function.

航空发动机主轴轴承台架试验费用昂贵且多为小子样无失效，在此情况下讨论其分布函数实为困难。

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In view of the problems of unstable accuracy, short service life of bearing and frequently replacing spindle bearing of MZ7675/ 2 grinder, a series of measures were adopted, and good results were achieved.

针对MZ7675/2磨床精度稳定性差、轴承寿命短、频繁更换主轴轴承的问题，采取了一系列解决措施，效果良好。

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The assemble type and load of the spindle bearing is analyzed, and the practical example is taken to explain in detail applied preload and its measurement and calculation, the exercisable exact data is given.

对磨床主轴的轴承装配形式及受力状况进行了分析，并用实例对预载荷的施加及测量计算加以详解，给出明确的可操作数据。

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Using autospectrum as feature a micro-computer's failure diagnosis system has been set up and monitoring and recognizing spindle bearing's working clearance of precision lathe has been finished by the s-ystem.

以常规自谱为特征建立了一套微型机故障诊断系统，并用该系统完成了对精密车床主轴轴承工作间隙的监测和识别；

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This kind of noise, spindle bearing produce proof quality problems or spindle bearings use life has to wear, or after the decline in the quality or damage, can consider to change at this time.

这类噪音的产生，证明主轴轴承存在质量问题或者主轴轴承使用寿命已到，或者磨损后质量下降或损坏，此时可以考虑更换。

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Service life test on site is basically accurate and reliable to evaluate the service life of high speed spindle bearing. It is key to distinguish bearing and non bearing factors of test bearing failure.

采用现场使用寿命试验评价高速磨头轴承的使用寿命基本准确可靠，关键是分清试验轴承失效的轴承和非轴承因素。

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This paper systematically studies the application of oil-air lubrication in high-speed spindle bearing and compares it with the oil-mist lubrication.

本文对高速主轴轴承油气润滑技术的应用进行了比较系统的试验研究，并与油雾润滑进行了对比应用试验。

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By elaboration of work principle of static hydraulic bearing, the fault reasons of wheel spindle bearing of 50 ″ grinding machine were analyzed.

通过对静压轴承工作原理的阐述，分析了50〃磨床砂轮主轴轴承故障产生的原因。

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This paper discusses the working condition of machine tool's spindle bearing can be distinguished by bearing's vibration signal.

论文阐述了利用轴承振动信号可判断机床主轴轴承的工作状态，通过频谱分析可对轴承进行故障诊断及预紧力确定；

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The technology of oil-air lubrication in high-speed spindle bearing has been used extensively in some industrial countries.

高速主轴轴承油气润滑技术在国外一些工业化国家早已得到广泛应用。

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The test shows that the failure type of the super precision high speed spindle bearing is mainly cage wear.

试验证明，超精密高速磨头轴承的失效形式主要是保持架的磨损失效。

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Fault repair of wheel spindle bearing of grinding machine

轧辊磨床砂轮主轴轴承的故障修复

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Monitoring for spindle bearing's working clearance of precision lathe

精密车床主轴轴承工作间隙的监测

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