加热成形

On the basis of different behaviors of alternative electromagnetic field for induction and electromagnetic shaping, the process of dual frequency electromagnetic shaping of molten metal was firstly presented.

从固态金属感应加热熔化和液态金属电磁成形两个角度出发，讨论了金属熔体双频电磁成形中的频率选择，物理量的分布以及两种双频电磁成形的试验过程。

Based on deep understanding on the relation between the properties of biconical fibers and the fusion temperature, a problem of fusion temperature monitoring is solved by means of a ceramic microheater and a fiber pyrometer. Effects of the fusion temperature on optical properties of biconical fibers are studied quantitatively. Biconical fiber devices with various filtering spectra are fabricated. Experimental results agree well with theoretical predictions.

根据对双锥光纤成形及光学特性与加热温度的深入理解，采用陶瓷管辐射加热和光纤高温传感新技术，解决了长期以来熔锥温度不易监测的关键技术难点，定量研究了熔锥温度对双锥光纤光学特性的影响，研制出多种具有不同滤波谱形状的双锥光纤器件，实验与理论模型预测的结果一致。

Taking the fiber coupler as represent, aiming at the performanceproblem of the fiber coupler which is used in the market, such as theoptical performance differences of accepted products, technologicaloptimization and stability reflected by the low rate of finished products,how to reduce excess loss, and so on. From the view of manufacture of rheological formation, the research of experiment and theory has beendeveloped. The effects of rheological technological parameters such asdrawing speed and fused temperature on the optical performance,microstructure and the process of rheological formation have beeninvestigated. It is discovered that the present heating mode of combustinggas can\'t satisfy with the rheological manufacturing technological needof high performance fiber devices. A new resistance heating system is putforward, designed and manufactured, and a new fused biconical tapermachine is developed.

论文以光纤耦合器为代表，针对目前市场上广为应用的光纤器件存在的性能问题，如合格产品的光学性能差异，成品率不高所反映的制备工艺优化与稳定问题，如何进一步降低附加损耗等，从光纤耦合器流变成形制造的角度，分析了流变制造工艺参数如拉锥速度与熔融温度及其扰动对流变制造成形过程、微观结构与器件光学性能的影响，发现现有燃烧气体火焰的加热方式不能满足高性能光纤器件的流变制造技术要求，提出、设计并制造了一种新型的电阻加热系统和熔融拉锥机。

The web paper is inputted by Mill Roll Stand, and after heated and regulating the moisture by the pre-heater, the paper is put into the Single Facer for shaping and then conglutinating with another top paper to form a single corrugated board. The single corrugated board is then transmitted by the overhead bridge conveyor to multiple heater to be reheated, after this the paper is to double facer for being heated and jointed, herein a continuous corrugated board is formed.

由原纸架输入卷形原纸，经过热缸机加热及调节湿度，进入单面瓦楞机，经过瓦楞机的滚轧成形，与另一面纸粘合成单面瓦楞纸，由天桥架传送，经多重预热器再次加热，经上浆机粘糊再至双面机加热贴合，此时连续的瓦楞纸板即已成形。

The model of induction heating power for unit volume of plate-form part with big flakiness ratio was obtained.

研究了电磁成形大宽厚比板状件的感应加热特性，推导了电磁成形大宽厚比板状件单位体积感应加热功率公式。

Effect of Heating Position on Deformation of Plate in Laser Forming.

激光热成形工艺中加热位置对板材变形的影响。

The electromagnetic pressure produced by the counteract of magnetic field in coil and the eddy current in liquid metal is ma inly determined by the magnetic flux density on the surface and its dissipation in the liquid metal.

在分析液态金属电磁成形理论模型的基础上确认：作用在液态金属表面的电磁压力和加热密度主要取决于其表面上磁场的大小以及磁场在液态金属中的分布规律。

Gear axle to the shape of the craft and die design process works is first semifinished materials to forging temperature after heating system unburnt earthenware into account the type described in a certain temperature conditions, the need to blank out preheat, heating, thermal insulation; Use Moduan processes.

齿轮轴的成形工艺及模具设计的工艺工程是，先把坯料加热到锻造温度后再放入到制坯型腔内，在一定温度条件下，需要对毛坯进行预热、加热、保温处理；采用模锻工艺。

The types of gas premixing devices and gas premixing combusting systems are presented,with great attention to the optimal design and tests of the gas premixing combusting systems for the heating systems of glasswool forming centrifugal machine and glass supply channel.

系统地介绍了燃气全预混混合器的种类和预混燃烧系统的各种类型，重点叙述了用于玻璃棉成形用离心机加热系统和玻璃料道加热系统的燃气预混燃烧系统的优化设计与调试情况，对预混燃烧技术进行了全面回顾，简要地分析了燃气预混燃烧技术的应用前景

Fill the piping with stuff, line to define the length and position for heating tube, daub tube, warm-up, make the role touch the piping by pressing the push-bike, heat up the piping to the necessary temperature, cut off power supply, one-off complete the process in the bending model.

在管坯内装填填充物、划线确定管坯加热的长度和位置、涂抹润滑剂、管坯装卡、预热、通过脚踏机构加压使电极与管坯紧密接触、采用二次加热工艺将管坯加热至所需温度、切断电源，在弯曲成形模具上一次性完成管坯的弯曲成形加工。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。