为了保证加工表面质量,数控车床一般都具有恒表面切削速度控制功能。
In order to guarantee the machining surface quality, numerical control lathe generally has constant surface cutting speed control function.
目的以超微结构为基础,了解准分子激光表面切削术后角膜生物组织反应特点。
Objective To evaluate the ultrastructural changes of the cornea after excimer laser ablation and to understand laser interaction with cornea.
进一步指出,当切削方向背离破坏区扩展方向时,能得到较好的已加工表面质量。
It is further shown that the cutting direction has a remarkable effect on the machined surface quality.
本文主要研究PCD刀具加工有色金属时刃口及后刀面的刃磨质量对切削表面质量的影响。
The influences of flank surface and edge quality of PCD cutting tool on cutting surface quality when machining nonferrous metal are studied in this paper.
重点研究了加工单晶材料时晶向对临界切深、微切削力和表面粗糙度的影响;
The crystallographic effects on critical depth, micro cutting forces and surface waviness when machining single crystals are emphatically investigated.
结果表明:工件进给速度对表面粗糙度的影响最大,切削深度和刀具前角次之,工件硬度影响最小。
The results show that the effects on surface roughness are feed speed, depth of cutting , tool rake angle and parts hardness in turn.
加大插齿刀后角可以有效改善插齿刀的切削条件,提高齿表面加工质量和延长刀具使用寿命。
Enlarging the clearance of gear shaping cutter can improve efficiently its cutting condition, the gear surface quality and tool life.
本论文在分析现状的基础上,从切削声信号和工件表面纹理这两个方面对刀具磨损状态监测技术进行了研究。
This paper researches on the tool wear condition monitoring by cutting sound signal and workpiece surface texture based on analysis of the relative situation.
在此基础上,建立了陶瓷镜面磨削塑性变质层的物理模型,并用微刃切削理论解释了表面晶粒的碎化机理。
Based on these, the physical model of plastic degenerating layer has been established and the fractional mechanism of surface crystal particles has been explained by micro-edge cutting theory.
本文还研究了玻璃切削刀具特征参数对已加工表面粗糙度的影响。
In addition, the influences of characteristic parameters of tools for glass cutting on machined surface roughness are presented in this paper.
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.
垂直于铣削加工面各点的显微硬度,随着距切削表面距离的增大而逐渐降低,且趋于平缓;
The microhardness of various point of milling working surface gradually reduces with the increase of distance of cutting surface, and then remains flat.
通过对钻头进行修磨,选择适当的切削参数,可以提高钻头的耐用度和工件的表面质量。
By means of drill grinding and selection of suitable cutting parameters, the serviceability of drill and surface quality of workpiece are improved.
切削过程中金刚石薄膜从基体表面的破损剥落是金刚石薄膜涂层刀具的一种主要损坏形式。
The diamond films' breakage and desquamation from body surface are main damage forms of the diamond film-coated tools in the cutting process.
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.
本涂膜对有色金属有很高的耐溶接性,适用于铜材料等切削工具的表面涂膜加工。
Moreover, CrN coating also has excellent welding resistance with non-ferrous metals, and is also applied for surface coating to cutting tools of copper material, for example.
如果刀具参数选取得当,能在常规切削用量下获得在玻璃的塑性域内形成的、无微裂纹的加工表面。
Crack-free surface that is formed in ductile regime of glass can be obtained under conventional cutting conditions if the tool parameters are chosen properly.
经渗碳及淬火后,具有表面硬度高、心部韧性好的特点、冷变形塑性中等,切削加工性好。
Carburizing and quenching, with high surface hardness, good toughness characteristics, the heart of cold plastic deformation of medium, cutting is good.
在磨削加工过程中产生表面残余应力,其产生机理是磨粒刃作用引起的挤压应力和切削应力及热应力的综合作用效应。
The production mechanism of the surface residual stress producing in grinding process is the combined effect on extrusion stress and the cutting stress and the thermal load.
本文通过实验研究了金刚石薄膜涂层刀具的破损机理及刀具表面状态、切削用量对其损坏形式的影响。
This paper studied the breakage mechanism of the diamond film-coated tools, the influence of the surface appearance, the cutting parameters on the damage forms.
切削金属时,可以看到光亮的表面,但立刻就变成灰色。
When metals are cut, the shining surface is visible, but it turns grey almost immediately.
本文提出了一种以加工表面和刀具为输入信息,基于解析方法的切削加工机器人的运动功能方案设计方法。
This paper puts forward an analytic design method of the scheme of moving functions in a robot for machining, with taking the working surfaces and cutting tools as input information.
CVD金刚石薄膜刀具的表面粗糙度是影响刀具切削性能的重要参数。
The surface roughness of CVD diamond thin film coated tools is an important parameter having influence on the tool cutting performance.
切削温度不仅直接影响刀具的磨损和耐用度,而且也影响工件的加工精度和已加工表面质量。
Cutting temperature has direct effects on not only tool wear and tool life but also machining accuracy and quality of machined surfaces.
精密硬态切削表面白层的形成是剧烈塑性变形导致的。
The severe plastic deformation is the main mechanism of white layer formation during precision hard part machining process.
通过对成品轴承的清洗,可以去除粘附在轴承表面和沟槽内的铁屑、切削液等杂质,提高轴承的精度与寿命。
It can clear scrap iron, cutting fluid and some other inclusion in order to raise the precision and the life of bearings.
目的探讨准分子激光屈光性角膜切削术(PRK)后角膜表面形态和屈光力变化。
ObjectiveTo investigate the change in corneal surface shapes and refractive powers after photorefractive keratectomy(PRK).
目的探讨准分子激光屈光性角膜切削术(PRK)后角膜表面形态和屈光力变化。
ObjectiveTo investigate the change in corneal surface shapes and refractive powers after photorefractive keratectomy(PRK).
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