搜索结果: 1-15 共查到“工学 machining”相关记录51条 . 查询时间(0.042 秒)
Relationships among Fluid Ethanolamine Formulation, Airborne Ethanolamines, and Aerosol Levels in Machining Operations
Machining fluids Ethanolamine Alkanolamines Water-soluble metalworking fluids Metalworking fluids (MWF)
2016/3/25
Alkanolamines or ethanolamines - triEA (TEA), di-EA (DEA), and mono-EA (MEA) - may be used in water-soluble
metalworking fluids to stabilize pH or inhibit corrosion. The objectives of this study were...
Methods for Integrating Energy Consumption and Environmental Impact Considerations into the Production Operation of Machining Processes
green manufacturing energy environmental impact
2011/8/3
Energy consumption and environmental impact considerations of machining processes are viewed as the important issues for the global trends towards sustainable manufacturing. The existing research of r...
Monitoring Computer Numerical Control Machining Progress Based on Information Fusion
machining progress information fusion machining path CNC machining
2011/8/4
To cope with the market demand dynamically, enterprise needs to obtain the production status of work in process real-timely, but the information of machining progress has feature of uncertainty and ca...
Estimation of Fine Dust Particles Distribution in Machining Workshop Based on COwZ Model
COwZ model dry cutting fine dust particles dust emission
2011/8/4
Fine dust particles (diameter is less than 2.5 m) generated during machining processes, especially dry cutting, are harmful to operators, because they remain suspended in the air for long time...
弧面凸轮廓面非等径加工的刀位控制方法（Cutter Location Control Method for Unequal Diameter Machining of Globoidal Cam Surface）
弧面凸轮 非等径加工 法向误差 刀位优化
2010/12/29
刀位补偿法是非等径加工弧面凸轮廓面最常用的方法，提出了刀位补偿法法向误差计算的方法和一种刀位自适应补偿优化算法，即对于任意凸轮转角，以最大法向误差最小为目标函数，进行刀位优化，寻求对应的最佳补偿点和补偿量，使刀位根据加工误差自适应地柔性补偿。通过实例验证了法向误差计算式的有效性，并得出了滚子和刀具的半径差是最佳补偿量，而最佳补偿点位置并不固定的结论，结果表明所提出的刀位优化算法正确有效，可显著减小...
基于改进遗传算法的车削加工中心工步排序与优化（Worksteps Sequencing and Optimization of Mill/turn Machining Center Based on Improved Genetic Algorithm）
车削加工中心 工步排序 改进遗传算法
2010/12/29
多主轴多动力刀架车削加工中心工步排序问题是同时涉及资源调度和工步排序的复杂问题。提出一种改进遗传算法以解决结合工艺资源调度的车削加工中心工步排序问题。通过建立0-1混合整数规划模型，为算法提供目标函数及约束，并根据此模型中多参数多约束的特点，设计了一种基于结构体的编码方法。为改善算法性能，根据相邻基因间的相似程度，构造了多概率交叉算子与多概率变异算子，从而提高由相邻基因组成优秀基因段遗传至下一代的...
Abrasive Waterjet Machining Simulation by Coupling Smoothed Particle Hydrodynamics/Finite Element Method
abrasive waterjet machining randomized algorithm coupling SPH/FEM
2011/8/3
In dealing with abrasive waterjet machining(AWJM) simulation, most literatures apply finite element method(FEM) to build pure waterjet models or single abrasive particle erosion models. To overcome th...
An investigation of machining efficiency of internal roller burnishing
An investigation machining efficiency internal roller burnishing
2010/8/12
Fine machining process of cylindrical surfaces exposed to the high exploitation loadings has to ensure acceptable surface quality and it’s as longer functionality. In the last decades, selection of th...
高速车削铁基高温合金硬质合金刀具磨损机理（Wear Mechanism of Cemented Carbide Tool in High Speed Machining Iron-based Superalloy GH2132）
刀具 高温合金 高速车削
2009/12/28
使用4种硬质合金涂层和非涂层刀具材料进行铁基高温合金GH2132的高速干车削试验，采用电子扫描显微镜（SEM）观察刀具的磨损形貌，通过能谱分析（EDS）分析磨损表面的元素分布，并对刀具的主要磨损机理进行分析。研究结果表明，使用硬质合金刀具材料高速干车削铁基高温合金GH2132时，刀具的磨损机理主要为粘结磨损、扩散磨损、氧化磨损并伴有少量的微崩刃。高速切削时刀具的前刀面磨损形态不同于常速切削时的磨损...
Achievements of sustainable manufacturing by machining
Sustainable development Sustainable manufacturing Cryogenic machining
2009/12/14
Purpose: Manufacturing industry is under increasing pressure of global competition, stricter environmental legislation and supply-chain demand for improved sustainability performance. The latter can b...
New approach for applications of machinability and machining strength
Machinability Machining strength Cutting process
2009/12/3
Purpose: The purpose of this paper is to present and discuss the machinability and machining strength concepts under a new viewpoint concerned with both their applications and how to measure then. Des...
Influence of machining parameters on the surface integrity in electrical discharge machining
EDM Energy discharge White layer thickness WLT
2009/12/3
Purpose: The aim of this research is to make a study of the influence of machining parameters on the surface integrity in electrical discharge machining. The material used for this study is the X200Cr...
Mechanical and tribological properties of TiC–based composites for ED machining
Composites Mechanical properties Wear resistance
2009/12/2
Purpose: The goal of this work is comparative study of TiC–(Mo, Ni) composites with different TiC-phase content to obtain material with an optimal mechanical and tribological properties, which can be ...
Ultra-precision machining of stainless steel using coated carbide tool
Machining Carbide tool Lubricant Stainless steel
2009/12/2
Purpose: This paper discusses the experimental work carried out to investigate the performance of coated carbide
tool in ultra-precision machining of stainless steel and evaluates whether this tool c...
Purpose: Nontraditional machining processes are widely used to manufacture geometrically complex and
precision parts for aerospace, electronics and automotive industries. There are different geometri...