砂轮

To solve problems of the wheel interference and the linear speed change on grinding points which has an effeet on the grinding surface roughness,a polar-coordinate-based equal step interpolating method for the grinding point trace is presented.

为解决砂轮干涉及磨削点处线速度变化影响磨削表面粗糙度的问题，提出了极坐标下砂轮磨削点轨迹的等步长插补方法，该方法可应用于任何具有C1连续性的正则曲线的CNC磨削。

The results show that the topography is affected not only by the protrusion of abrasive grains, but also by the waviness of bond surface.

测量结果表明：砂轮表面形貌的形成，不仅与砂轮表面磨粒的突出有关，还受结合剂表面高度变化的影响。

At last, the worm and grinding wheel models are used to realize grinding simulation of worm gearing with C++ programming language and OpenGL interface tool which are known as a basic tool for visualization in scientific computing.

最后，为了实现砂轮磨削蜗杆的运动仿真，论文应用科学计算可视化的基础工具OpenGL，并将前面得到的蜗杆和砂轮模型，导入到OpenGL中编程，语言环境为C++，实现了运动仿真。

The computation results show that under two degree-of-freedom motion, the process of enveloping the worm is of point contact form, and the worm surface is generated by contact points, regardless of the type of generant, such as straight line, plane and disk annular curved surface.

本文又首次提出并建立了在双自由度运动状态下，用平面砂轮和盘状环形砂轮包络加工圆柱蜗杆传动的方案及数学模型，其目的在于拓宽包络圆柱蜗杆传动的应用范围，对此也编制了相应的计算机软件。

When the other parameters are fixed, the SSD can be decreased with the decrease of wheel infeed, the increase of wheel rotating speed and the increase of chuck rotating speed, and the increase of chuck rotating speed within a suitable range.

在一定的范围内，当其它磨削参数不变时，硅片的损伤深度随着砂轮进给率的增大而增大，随着砂轮转速的增大而减小，随着工作台转速的增大而减小。

The truing feature of vitrified and resinoid bonded CBN wheels trued by RDD with up-truing and down-truing and the property of grinding workpiece with CBN wheels is obtained.

4，研究金刚石滚轮在不同的修形速比下，对陶瓷、树脂结合剂CBN砂轮进行逆向和顺向修形的特性及其修整后CBN砂轮对高速钢工件的磨削特性。

In accordance with the comparation and analysis of the experiments,the applicability of the steel ball abrasive wheel manufacture by spary granulation technology is also discussed.

着重分析了喷雾造粒法制备磨钢球砂轮成形料的可行性，并通过试验对比分析，探讨了喷雾造粒工艺在磨钢球砂轮生产中的适用性。

In accordance with the comparation and analysis of the experiments,the applicability of the steel ball abrasive wheel manufacture by spary granulation technology is also discussed.

文摘：着重分析了喷雾造粒法制备磨钢球砂轮成形料的可行性，并通过试验对比分析，探讨了喷雾造粒工艺在磨钢球砂轮生产中的适用性。

Firstly,simulation models of grinding process are built,which include the topograph of grinding wheel,the description of kinematics of grinding,grinding force,grinding temperature and wheel w...

首先建立了砂轮地貌、磨削运动的描述、磨削力、磨削温度和砂轮磨损等模拟模型。

Thenthe rocker arms with ceramic gluts are compared with shank type rocker arms.4. To lower the cost of machining, a new process technique is proposed, namely,the ceramic gluts are ground by plain aluminum grinding wheels after theircoarse grinding with diamond grinding wheels.

为了降低陶瓷镶块的加工成本，研制了一种新的加工工艺，即在使用金刚石砂轮对陶瓷镶块进行粗磨和半精磨的基础上，采用普通氧化铝砂轮进行精磨。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。