main bearing holding down bolt是什么意思

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Force analysis on main shaft of super micro mill;

机械冲击式超细粉碎机主轴系统受力分析

Cause analysis of and improvement to cracked main shaft of PTA screw conveyor;

PTA螺旋输送机主轴断裂事故分析及改造

The positioning design of main shaft in CKS630-1C NC lathe is discussed.

以CKS630-1C数控车床主轴定位设计为讨论对象,在数控系统缺乏主轴定位控制模块及信号的情况下,设计中采用附加刹车程序的方法来达到控制目的,并通过反励磁电路设计使直流抱闸达到快捷刹车的目的。

Lathe Spindle Driven by Variable Speed Switched Reluctance System and its Numerical Control Method;

开关磁阻调速式车床主轴及其数控方法

Effect of spindle dynamics on system stability in super-precision machining center;

精密车床主轴动态特性对系统稳定性的影响

The fuzzy optimization design of lathe's main spindle;

车床主轴的模糊优化设计

Static and dynamic property analysis on main spindle unit of explosion protection blower;

防爆风机主轴单元静、动态特性分析

to alter the main spindle of the large-size machine tool,which bearing is normal plain bearing has been major introduced in this paper.

主要介绍运用流体静压技术的优点,从轴承选型、参数确定以及油压系统等几个方面对床头箱主轴承为普通滑动轴承的大型车床进行主轴技术改造,使之精度及刚度大大提高,满足生产需要。

Installation technology of main axis and axis bearing in tubular bulb unit for Dongjiang hydropower station;

东江枢纽水轮机组主轴和轴承安装技术

To counter the case which main axis lost efficacy of caterpillar grinder,reliability design theory was applied to analyze it.

针对单链式磨木机主轴频繁发生断裂的问题,运用模糊可靠性设计理论对主轴的疲劳强度进行研究,找出了主轴疲劳可靠度严重不足而失效的原因,并提出了解决问题的措施,为造纸设备的检查和维修提供了有利依据。

Finally,the motion equation and locus of the geometric axis line of the main axis under the action of unbalance are acquired.

本文建立了惯导器件测试用精密离心机动平衡的动力学方程，给出了不平衡与电容测微仪输出振动位移之间的关系，得到了不平衡作用下精密离心机主轴几何轴线上各点运动方程及运动轨迹。

Fuzzy fault tree analysis of the principal axis of numerical control lathe;

数控车床主轴模糊故障树分析

The bearing convenient design for the principal axis and transmission axis of Combination drilling machine;

组合钻床主轴及传动轴轴承支承部件的便捷设计

Basic study on the number controls to turn to reform the CW6136 lather principal axis;

CW6136车床主轴数控化改造初探