该公司的3d印制机将一个20——30微米厚的层面铺到一个托盘上，钛粉层在托盘里被激光或电子光束熔化。
The firm's 3d printers spread a layer about 20-30 microns (0.02-0.03mm) thick onto a tray where it is fused by lasers or an electron beam.
分析了主要工艺参数如：激光功率、扫描速度、送粉量以及Z轴增量对成型质量和形貌的影响。
The technics parameters, such as the laser power, scan velocity, powder feed rate and the Z axis increment, which influence quality and shape were analyzed in this article.
通过改变送粉激光熔覆过程中的扫描速度、送粉速率、基体预热温度等工艺参数，获得了单道激光熔覆层。
Single pass laser surface of the specimens using powder feeding method were obtained by varying the powder feeding rate and the preheating temperature of the substrate.
采用激光堆焊技术及自动送粉工艺进行了轴件修复实验。
In this paper we tried to repair the abraded shafts using laser overlaying welding technology.
系统研究了激光功率、扫描速度、预热温度、铺粉厚度等工艺参数对成型试样质量的影响。
The effects of different process parameters such as laser power, scanning speed, preheat temperature, powder-bed depth on the sintered quality were studied systematically.
在单道熔覆中通过跟踪测量研究了激光功率、扫描速度、送粉速率、光斑直径和基体预热温度对熔池温度的影响规律。
The influence of laser power, scanning speed, powder feed rate, spot diameter and preheating on the temperature of molten pool were revealed in the process of single-pass cladding.
本研究自行设计制作了激光诱导化学气相沉积(LICVD)纳米硅粉制备设备，并对关键部件的设计思路进行了阐述。
In this study we designed and made the preparation equipment of nano-silicon powder by LICVD (laser induced chemical vapor deposition), and introduced the designing thought of key parts.
对古代碳化稻谷进行了高分辨电子显微镜、X粉晶衍射和激光拉曼光谱研究。
Carbonated paddy has been studied through high resolution transmission electronic microscopy (HRTEM), X -ray powder diffraction and laser Raman spectroscopy.
以激光粒度分析方法对矿渣微粉试样进行了颗粒群分布测试，并以RRS B线性回归进行拟合。
The distribution of powder clusters of finely ground slag was measured by means of laser granulometer and was modeled through RRSB linear regression.
用扫描电镜和激光粒度分析仪研究了球磨和立式磨生产的矿渣微粉的颗粒形貌和颗粒群分布。
The appearances and particle size distribution of slag micro-powder produced by ball mill and vertical mill were researched with scanning electron microscope and laser particle size analyzer.
基于光内同轴送粉技术，提出了激光熔覆无支撑偏移堆积斜壁的方法。
Based on the internal laser coaxial-powder feeding technology, it brought up a method of laser cladding inclined wall accumulation without support.
结果表明，预处理、送粉量、激光的扫描速度是决定模具修复质量的关键。
The results show that repairing quality of the dies is affected by pretreatment, laser power scanning rates and powder feed rates.
探讨了一项利用激光快速成型技术、胶模成型技术、陶土粉成型技术制造PD C钻头烧结模具的新工艺。
This article introduces a new manufacture process of the sintered mould for matrix PDC bits by using laser rapid modeling technique, rubber mold forming technique and kaolin powder modeling technique.
本文系统地研究了金刚石微粉压坯在高功率CO2激光作用下的烧结工艺。
The sintering technique of diamond fine powders compact by CO2 laser has been researched systematically in the thesis.
显然这是很有实际意义的，因为同轴送粉比预置粉末更易于实现自动化和大面积激光熔覆。
Obviously, this is very significant because the coaxial powder feeding laser cladding is easy to realize automation and big area cladding.
本文研究了激光诱导化学气相沉积法制备纳米氮化硅的工作原理，提出了减少游离硅的措施，利用双光束激发制备了超微的、非晶纳米氮化硅粉体。
It is used in many areas. In this paper, the general principles of LICVD (laser induced chemical vapor deposition) were investigated and the measures to reduce dissociated si were put forward.
研制了一种在以激光束为中心轴的圆周方向均匀对称分布四个具有同轴汇聚气的双层送粉管的送粉喷嘴。
Developed a feeding nozzle which have four double-feeding pipes with co-axial shaping gas distributes on circle orientation of laser beam with uniformity and symmetry.
激光三维快速立体成型已成为新的研究热点，送粉器是激光三维快速立体成型技术中的关键技术。
Laser three-dimensional shaping is a new research hotspot, and powder feed unit is the key to this technology.
在激光同轴送粉熔覆中，由于激光与粉末流相互作用，粉末流整体温度分布直接影响激光熔覆的质量。
In laser coaxial cladding, laser casing qualities are directly affected by temperature field of powder flow for the interaction between laser and powers.
建立了侧向送粉激光熔覆粉末颗粒温升的数学模型，该模型可以考虑激光束的功率分布。
A temperature rise model of laser cladding material powder by side-injection is established. In this model, the distribution of laser power is considered.
采用送粉激光感应复合熔覆技术制备了镍基合金熔覆涂层，研究了涂层的组织和裂纹行为。
The nickel base alloy coatings were fabricated by powder feeding laser induction hybrid cladding. The microstructure and cracking behavior of coating were studied.
将供给态粉和研磨态粉由激光衍射法、FSSS法和BET法测量出颗粒粒度。
FSSS method, laser diffraction method and BET method were used to perform the particle size measurement.
用XRD、SEM及激光粒度分析等手段对所制各级化硼粉体进行研究。
The t-BN powder was analyzed by XRD, SEM and laser granularity analyzer.
详细介绍了同轴送粉激光成形过程中，金属粉末与激光束相互作用时间的计算方法。
A method to calculate the interaction time between metal powder and laser beam during laser direct forming with the metal powder conveyed by coaxial powder feeder is introduced in detailed.
利用X粉晶衍射和激光拉曼光谱实验分析高岭石及其醋酸钾插层物的结构。
Kaolinite and the kaolinite-potassium acetate intercalate were studied by X-ray diffraction and Raman spectra.
并借助TG-DSC、XRD和激光拉曼光谱等测试方法对提纯前后的金刚石微粉进行对比分析。
The purification results could be contrasted and analyzed by modern test equipments, e. g. TG-DSC, XRD, Laser-Raman Spectrum.
整个激光直接制造系统分为激光直接制造软件系统、硬件系统和送粉系统三大子系统。
This whole system is divided into three subsystems by function, including laser system, CNC processing system and powder delivery system.
为获得良好的结合界面提供了实验证据，为制定送粉激光熔覆工艺规程提供了理论依据。
Experimental evidence is acquired for obtaining a good interface; and a theoretical basis is presented for determining the reasonable processing schedule in powder feeding type laser cladding as well.
提出了粉末分布密度这一新概念，即同步送粉激光熔覆时基体单位面积上分布的覆层粉末质量。
A new conception, average powder density defined as the powder quantity clad on unit area of substrate surface has been put for ward.
提出了粉末分布密度这一新概念，即同步送粉激光熔覆时基体单位面积上分布的覆层粉末质量。
A new conception, average powder density defined as the powder quantity clad on unit area of substrate surface has been put for ward.
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