研究了补偿球差和高阶散光的像差与角膜切削量的关系，即补偿球差和高阶散光的角膜切削模型。
A model for calculating ablation profile to precompensate for spherical aberration and the higher order astigmatism is presented.
从切削运动、切削量、磨粒性能三个方面分析了超声波振动珩磨的切削机理，并归纳了超声波振动珩磨的特点。
The cutting principles including cutting motion, cutting quantity, and grain performance of ultrasonic vibration honing are analyzed, and its specialities are generalized.
通过用金刚石薄膜涂层刀具对含硅量不同的硅铝合金进行干切削试验，探讨其切削性能。
Using diamond film coated tool, the dry-cutting tests are carried out on Si-Al alloy with different Si-contained. The cutting properties are studied.
文中通过用金刚石薄膜涂层刀具对含硅量不同的硅铝合金进行干切削试验，探讨其切削性能。
In this paper, the dry-cutting tests were carried out by diamond film coated tool on Si-Al alloy and this tool's cutting properties were studied.
有些加工，如精度要求不高或需要切除的金属量较小，也可能只需一次精切削。
Also, in some jobs, fot example, when great accuracy is not needed, or when a comparatively small amount of metal must be removed, a finishing cut may be all that is required.
特别是JT9和JT11刀具，不但刀具磨损量小，加工表面质量好，而且在切削45钢和45淬硬钢时切屑为崩碎切屑。
Especially the tool wear size of JT9 and JT11 is small and the machined surface quality is high. In cutting 45 anneal steels and 45 hardened steels by JT9 and JT11 tools, chips were segments.
高速切削试验表明：切削速度的提高和每齿进给量的减少有利于改善加工表面粗糙度。
The experiment showed that the high quality surface roughness was easy to obtain by increasing the cutting speed and decreasing the feed engagement.
数控切削加工工艺参数是数控切削加工过程的基本控制量。
It is the preparation method parameter which is one of the basic controlling parameters in the processing course of Numerical control cuttings.
切削力、磨削力和磨削表面粗糙度是表征切削加工和磨削加工的最重要特征量，对它们进行预测分析和过程控制具有十分重要的意义。
Cutting force, grinding force and surface roughness of grinding are the most important parameters to scale machine progress, thus precision methods for them is needed in engineering.
研究了用自旋转车刀加工金属纤维时，切削深度和进给量对纤维力学性能的影响。
In this paper, effects of depth of cut and feedrate on mechanical properties of metallic fiber are investigated by spinning bit.
研究分析了不同的切削速度及进给量对叶轮叶片加工的表面粗糙度的影响。
The influence of different cutting speed and feed rate on the roughness of vane's finished surface was investigated and analyzed.
研究了切削速度和进给量对加工表面粗糙度的影响。
The influence of cutting speed and feed rate on the surface roughness of machined blade was investigated.
在切削加工中，为了提高已加工工件的表面质量，需要研究切削速度和进给量对已加工工件残余应力的影响规律。
The effects of cutting speed and feed on residual stress of workpiece machined should be studied to improve surface quality in machining.
研究用自旋转车刀加工金属纤维时，切削深度和进给量对纤维力学性能的影响。
The effects of the machining depth and the amount of feed on the mechanical properties of the metal fiber to be machined with the self propelled rotary turning tool are researched.
利用多传感器对切削力和振动信号进行监测，通过频率变换提取切削力特征量，采用小波包分解技术提取振动信号特征量。
Signals of cutting force and vibration are measured with multi-sensor and features in frequency domain and time-frequency domain are extracted by using wavelet package decomposition.
在本试验参数范围内选取切削参数时，切削速度、进给量取中值有利，切削深度取小值有利。
At the range of the testing parameters it is of advantage to select middle value of feedrate and cutting speed, and smaller value of cutting depth.
测绘了切削温度、后刀面磨损量与切削时间或切削速度的关系曲线，分析了刀具前、后刀面显微磨损、破损形貌和化学变化。
Cutting temperature, relation curves of wear with cutting time and cutting speed, microscopic features and chemical changes of rack face and rear face of the tin coated tool were measured.
通过切削试验，分析了切削速度、背吃刀量以及切削液等参数改变时，对切削力及表面质量的影响。
Through cutting experiment, the influence on cutting force and surface quality was analyzed when change the parameters such as cutting speed, back cutting depth and cutting fluid and so on.
通过统计学中的响应曲面法建立了螺旋铣削过程中切削力的二阶模型，并分析了主轴转速、每齿进给量、轴向和径向切削深度等因素对切削力的影响。
A quadratic model of predicting helical milling force was researched. The effects of spindle speed, feed per tooth, and axial and radial depth of cut were analyzed.
刀具寿命相对消耗量是利用功率信号、泰勒公式、切削工艺参数库以及在线获取的实际切削时间来获取的。
The RCI of tool life is obtained by the power signal, the Taylor formula, the database of cutting parameters and cutting time.
根据弹塑性有限元理论，利用有限元软件建立了切削模型，得到了不同切削速度和进给量下已加工工件的残余应力。
Acording to elastoplasticity FEM, cutting models are created and the residual stress of workpieces machined with different cutting speed and feed are obtained in this article.
通过试验，找出了切削深度、切削速度、每齿进给量等切削用量及切出角影响面铣刀寿命的规律。
Tests are conducted to find the rules how such cutting parameters as cutting depth, cutting speed and feedrate per blade as well as the cutting angle affect on the life of face mill.
前言： 通过试验，找出了切削深度、切削速度、每齿进给量等切削用量及切出角影响面铣刀寿命的规律。
Tests are conducted to find the rules how such cutting parameters as cutting depth, cutting speed and feedrate per blade as well as the cutting angle affect on the life of face mill.
老式机床通常是由工人操作并由他们决定机床速度、进给量、切削深度等。
Early machine tools were operated by craftsmen who decided many variables such as speeds, feeds, and depth of cut, etc.
比较两组补液量、切削痂时间及面积、创面愈合时间、并发症发生率、死亡率。
The volume of fluid input, time and area of eschar shaving, duration of wound healing, incidence of complication and mortality were comparatively analyzed between two groups.
介绍了基于量热法的碳钢高速车削切削热在切屑、工件、刀具及环境中的量化分配。
The distribution curve of workpiece temperature induced by the shear heat source is obtained.
介绍了基于量热法的碳钢高速车削切削热在切屑、工件、刀具及环境中的量化分配。
The distribution curve of workpiece temperature induced by the shear heat source is obtained.
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