虚拟加工的主要任务是预测和改进被加工件的加工精度。
The main objective of virtual machining process is to predict and improve machining accuracy.
机床受热变形对其精度及被加工件误差都会带来很大的影响。
The thermal deformation of machine tools will seriously affect the processing precision and the error of processed parts.
金属的加工，采用使被加工金属的塑性变形来代替切割，可增加加工效率和被加工件的强度。
The application of plastic deformation instead of cutting is capable of increasing efficiency and strength of the pieces worked in metal-working.
数控磨削加工的难点在于，由于砂轮在磨削过程中是不断磨损的，因此使得被磨工件的加工尺寸不能恒定。
The difficulty in NC grinding is that the size of the work piece cannot be invariable because the grinding wheel will be abraded continuously in the grinding process.
成形刀具有专门制成特定形状的刀刃，这种刀刃形状与被加工工件所需外形正好相反。
Form tools. Form tools have edges especially manufactured to take a certain form, which is opposite to the desired shape of the machined workpiece.
空运行也被用于机床没有实际工件加工时检查一个新程序。
DRY RUN is also used to check a new program on the machine without any work actually being performed by the tool.
这种高刚度的砂轮具有高的磨削能力和磨削效率，缺点是被磨工件表面易产生划痕，难以获得高的表面加工质量。
Such grinding wheel has advantages as high grinding ability and high grinding efficiency, but they are easy to induce scratches on the ground surfaces and hence make bad surface machining quality.
在激光微加工系统中，激光为能量提供者，被加工的工件为能量接受者。
Laser is energy provider and processing objects are energy embracer in the laser micro processing system.
各种加工方法都是根据工件的被加工表面类型，材料和技术要求确定的。
Various processing methods are based on workpiece processed surface type, material and technical requirements set.
它们也可以是相当重要的，这取决于被机械加工的工件的预期最终用途。
They can also be rather important depending on the intended end use for the work piece being machined.
在M131外圆磨床上的补偿磨削试验结果表明，所设计的测量补偿系统能够达到改善被加工工件圆度的目的，补偿后工件圆度误差减少近30％。
The compensation grinding test on M131 cylindrical grinder showed that the designed measuring & compensating systems have improved the roundness of machined workpiece up to 30%.
PC机主要负责有关参数设定、刀具半径补偿的离线运算、被加工工件图形的可视化以及实现本地控制等功能。
PC sets the parameters, executes the milling cutter radius compensation, draws the graphics of the work-piece machined and realizes local control.
采用金刚石磨粒砂轮对结构陶瓷材料进行磨削加工过程中产生的磨削热是影响被磨工件表面质量的重要因素。
The grinding heat has great influence on the ground surface finish when the structure ceramics is machined with diamond wheels.
优越的防锈性，加工后存放的工件也不容易被锈蚀。
Excellent anti-rust property to protect metal parts from rusting even after machining.
这样可以避免振动、热变形、爬行和间隙影响被加工工件的精度。
This will avoid vibration, heat distortion, crawl space and the impact on the accuracy of the workpiece being processed.
论文主要介绍了利用CCD测量被加工工件尺寸的工作原理以及压电传感器逆压电效应的工作原理。
It aims to present mainly how principle to measure the size of work processed using CCD and the operating principle of piezoelectricity sensor.
试验表明，当超声工具头与被加工工件的间隙在一定的范围内，能在超声研磨条件下加工出高质量的超光滑表面。
Only when the machining gap is in specific ranges, the smooth high quality surface can be obtained under ultrasonic polishing.
机械加工过程是一个产生形状的过程，在这过程中，驱动装臵使工件上的一些材料以切屑的形式被去除。
Machining process is a process generated shape, in this process, Drivers device on the workpiece material to be in the form of chip removal.
研究超声辅助珩齿加工效率以及被加工工件的精度一个很重要研究的方面。
Studying of the processing efficiency of ultrasonic assisted gear honing and the accuracy of the workpiece is a very important research aspect.
确定被加工工件需在本机床上完成的工序内容及其与前后工序的联系。
Required to determine the workpiece in the machine to complete the process before and after the process with the content and links.
确定被加工工件需在本机床上完成的工序内容及其与前后工序的联系。
Required to determine the workpiece in the machine to complete the process before and after the process with the content and links.
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