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精磨     
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  fine grinding
     the prediction neural network and the fuzzy logic controller was used to optimize and control the workpiece size during the fine grinding stage;
     精磨阶段,采用由神经网络预测、模糊逻辑控制的工件尺寸智能优化方法;
短句来源
     Preparation and Application of High-Level Fine Grinding Fluid
     高级精磨液的研制与应用
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     THE PROCESS AND MECHANISM OF MICRODAMAGE IN FINE GRINDING
     精磨加工显微损伤的过程和机制
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     (2) The change rules and the generation reasons of wafer damage microstructure induced in rough, semi-fine and fine grinding are studied by using TEM and Raman microspectroscopy.
     (2) 通过系统的TEM和显微Raman光谱检测分析,研究了粗磨、半精磨精磨硅片的表面层损伤形式、形成原因及变化规律;
短句来源
     Testing technology at fine grinding stage of computer controlled aspheric surfacing
     计算机控制非球面加工精磨阶段的检测技术
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  precision grinding
     Using a 120# white corundum PVA grinding wheel for precision grinding, and an electroplated diamond roller for arc finishing, the disc can be precisely ground and polished at the same time, the size and surface roughness of the disc can reach ΦA=50(±0.03mm) and Ra=0.4μm respectively.
     精磨选用具有抛光作用的120#白刚玉PVA砂轮,用电镀金刚石滚轮修整砂轮圆弧,精磨和抛光同时完成,可以保证聚氨酯摩擦盘的尺寸精度(ΦA=50±0.03mm)和表面粗糙度(Ra=0.4μm)。
短句来源
     Theoretical and experimental studies show that PAL_(MS) decoder possesses the following abvantages:(1) For the production of ultrasonic glass delay-lines used in this decoder, precision grinding process is not needed.
     理论和实验研究表明,PAL_(MS)解码器具有下述优点:(1)为生产用于该解码器的超声玻璃延迟线,无需精磨工序。
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     A systematic study of the changes in composition and structure of surface layers due to the thermo-chemical and thermo-mechanical affects among the wheel, the workpiece and the grinding fluid during precision grinding on carburized steel 20CrNi2 MoA railway bearing has been conducted.
     系统研究了20CrNi2MoA渗碳钢铁路轴承精磨时,由于砂轮、工件与冷却液之间的热-化学与热-机械作用,滚道面的成分与组织变化。
短句来源
     The results from grinding process with the spindle mounted on a precision grinding machine show that the accuracy of finished surface of workpiece can be up to the required machining quality, and the fine grinding efficiency is close to the industrial application level.
     现场磨削试验表明:磁悬浮电主轴的磨削精度基本满足要求,精磨效率接近工业应用水平。
短句来源
     Grinding performance can be largely influenced by the dressing of worn wheel, especially in precision grinding and form grinding.
     砂轮修整状态严重地影响砂轮的磨削性能,这在精磨及成形磨削过程中显得尤为突出。
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  finishing grinding
     The bending strength of the samples after wire EDM cutting, rough grinding, finishing grinding, coating once with Al 2O 3 sol and coating twice with Al 2O 3 sol is tested and compared. The cause of the surface modification is analyzed by observing SEM photographs of surface and section of the samples coated once and twice with Al 2O 3 sol.
     对线切割、粗磨、精磨、Al2 O3 一次溶胶涂层和Al2 O3 二次溶胶涂层试样的抗弯强度进行了比较 ,并通过观察Al2 O3 一次溶胶涂层和Al2 O3 二次溶胶涂层试样表面和断面的SEM形貌 ,初步分析了表面改性的原因。
短句来源
     The bending strength and Weibull modulus of the samples after finishing grinding, heat treatment and coated with Al 2O 3 ZrO 2 film are compared.
     分别对精磨、热处理、Al2 O3 ZrO2 涂层试样的抗弯强度和Weibull模数进行了比较。
短句来源
     The bending strength and the Weibull modulus of the samples after finishing grinding,heat treatment and coating with ZrO 2 film were compared.
     对精磨、热处理、ZrO2 涂层试样的抗弯强度和Weibull模数进行了比较。
短句来源
     R&D of the Finishing Grinding Monitoring System for the Centreless Grinder
     无心磨床精磨监控系统的研制
短句来源
  finish grinding
     By laser surface alloying processing,an alloying layer with the thickness of 0 40~0 60mm(after finish grinding) on the steel rocker arm was obtained.
     对钢制气门摇臂进行多道激光表面合金化处理 ,精磨后获得厚度达 0 4 0~ 0 6 0mm的合金化层。
短句来源
     It is shown that bending strength rises in the order of linear cutting,rough grinding,finish grinding,polishing,thermal treatment,coating once with Al 2O 3 sol,coating twice with Al 2O 3 sol,coating with composite Al 2O 3-SiO 2 sol.
     结果表明 ,试样的抗弯强度按线切割、粗磨、精磨、抛光、热处理、氧化铝一次涂层、氧化铝二次涂层、Al2 O3-SiO2 混合涂层的次序依次提高。
短句来源
     By using the elastic thread positioning shaft for ghnding plungersinstead of the thread plug, the rough grmnding allowance can be decreased by 15% ~ 20%, the amount of chrome platedcan be decreased by 20% ~ 30%, and the finish grinding allowance can be decreased by about 30%.
     与使用螺纹堵头相比,用螺纹弹性定位轴磨削加工柱塞可使粗磨余量减少15%-20%,镀铝量减少20%-30%,相应的精磨余量也减少30%左右。
短句来源
     It is showed that the laser power,scanning speed,defocusing amount and coating layer thickness have different influence on thickness,overlap joint and surface status of the hardened layer respectively,with optimized laser surface alloying processing parameters,a uniform alloyed coating with thickness of 0.40~0.60mm(after finish grinding)and surface hardness over 78HRA is obtained.
     研究表明 ,激光功率、扫描速度、离焦量和合金化粉涂层厚度等工艺参数对气门摇臂的合金化层厚度、搭接情况和表面状况等质量指标的影响不同 ; 使用优化的激光工艺参数 ,对体积小、形状复杂的发动机气门摇臂工作圆弧面进行了激光表面合金化处理 ,获得的合金化层搭接较好 ,精磨后厚度在 0 4 0~ 0 6 0mm范围 ,表面硬度 >78HRA。
短句来源
     to control the wear of grinding wheel and the thermal deformation of the technological system, and adopting flow line production method for rough grinding、finish grinding and seper-finishing are the efficient way to guarantee the bearing quality with random assembling method.
     控制砂轮磨损和工艺系统热变形,采用粗磨、精磨和超精加工连线生产,是保证随机装配质量的有效方法. 附图3幅,参考文献1篇.
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  fine grinding
The effect of fine grinding of gold-bearing geochemical samples on the representative sample size and the recovery of gold and silver in fire-assay fusion was studied experimentally.
      
Fine or ultra-fine grinding processes require a lot of energy, part of which becomes internal energy and can lead to mechanochemical reactions and useful products.
      
This gives a novel concept for characterizing the action of mechanical energy on matter in fine grinding by using molecular probes.
      
This is the first example of the investigation of mechanochemical energy during the fine grinding process.
      
Shungite rock material after fine grinding was investigated as a filler for polymeric composites.
      
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  fine comminution
Attainment of relative densities of up to 97% in parts from columbium carbide powder is only feasible when fine comminution of the powder, cold compacting, and sintering at temperatures not exceeding 0.6 Tmelt.
      
1.Fine comminution causes graphite to lose its compactibility.
      
  precision grinding
Theoretical and experimental analysis on super precision grinding of monocrystal silicon
      
Determination of the scheme of precision grinding compensation on the radome
      
Controlled wear of vitrified abrasive materials for precision grinding applications
      
The study of bonding hard materials such as aluminium oxide and cubic boron nitride (cBN) and the nature of interfacial cohesion between these materials and glass is very important from the perspective of high precision grinding.
      
Ductile streaks in precision grinding of hard and brittle materials
      
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