Proper decrease in pouring temperature and increase in shell mold temperature are helpful to preventing hot tear.
为避免产生热裂应适当降低浇注温度，提高型壳温度。
In this paper, the loose mixture with aluminum phosphate colloid as binder and metallurgical magnesia as hardening agent for shell mold was studied.
研究了以磷酸铝为粘结剂、煅烧冶金镁砂为硬化剂的壳型松散料。
The sedan camshafts re-melting and chilling process and production technique of shell mold camshaft castings to be re-melted and chilled were introduced.
介绍重熔淬火硬化处理凸轮轴工艺，以及供重熔淬火用的壳型凸轮轴的生产工艺。
The sedan camshafts re-melting and chilling process and production technique of shell mold camshaft castings to he re-melted and chilled were introduced.
介绍重熔淬火硬化处理凸轮轴工艺，以及供重熔淬火用的壳型凸轮轴的生产工艺。
A new kind of boron nitride based shell mold used for investment casting titanium alloys was fabricated and the reaction between it and Ti-Ni alloy was investigated.
研究了一种新型钛合金精密铸造用型壳——氮化硼基复合型壳及其与钛镍合金的界面反应和反应层的形成机制。
In large metal molds, it is now able to produce the plastic shell mold 48-inch TV, large capacity washing machine metal mold, and the bumper, the whole instrument panel mold.
在大型金属模具方面，现在已能生产48英寸电视的塑壳模具、大容量洗衣机的金属模具，以及汽车保险杠、整体仪表板等模具。
High-Kun Industry Co. , Ltd. The company was founded in 1978, has more than three decades, the company specializes in producing shell mold sand brains and heart sand casting shell mold.
高昆工业有限公司本公司创立于西元1978年，至今已逾三十年，本公司专业生产壳模砂心机和壳模砂心铸造。
In high humidity circumstance, it was cautioned that shell mold should be dried before next coating layer should be brushed and drying time should be extended before shell mold dewaxed.
在高湿度环境下，应注意待型壳干燥后再涂挂下一层涂料，型壳脱蜡前须延长干燥时间。
It is simple process, less pollution, low cost, good quality casting, and can meet producing of locomotive casting, that the investment pattern was made from the shell mold was made from silica sol.
采用硅溶胶粘结剂制造型壳，工艺简单，污染少，成本低，铸件质量好，满足机车类精铸件生产要求。
It is usually said mold, such as TV sets, telephone shell, plastic barrels and other commodities, the plastic injection molding mold cooling heating software produced.
也就是通常人们说的模子，比如电视机、电话机的外壳、塑料桶等商品，是把塑料加热软件注进模具冷却成型生产出来的。
Our main current production of various kinds of shell MP3, MP4 shell, MP4 stainless steel frame and metal mold design and manufacturing.
目前本厂主要生产各类MP 3外壳、MP 4外壳、MP4不锈钢外壳和五金模具的设计制造。
The injection mold structure of the front shell of large screen color TV is introduced, and design of side core-pulling large slide, improvement of ejector mechanism and gating method are introduced.
介绍大屏幕彩色电视机前壳注射模结构，重点介绍侧抽芯大滑块的设计，顶出机构和进浇方法的改进。
This article introduces a designing means of mold of the fibre winding solid rocket motor combustion chamber shell.
介绍一种固体火箭发动机燃烧室壳体纤维缠绕芯模的设计。
Experiments for hot mold shell with isolated hot spot by local water quenching in investment casting before and after pouring were conducted.
对熔模铸件孤立热节热型壳进行了浇注前及浇注后局部水淬激冷试验。
For the injection mold structure of transparent plastic cover shell, point gate feeding is adopted.
对透明塑料罩壳注射模结构，采用点浇口进料。
Effects of ambient temperature and humidity on sodium silicate mold shell investment casting were surveyed systematically based on practical experience.
根据多年的生产实践，系统总结了环境温度和湿度对水玻璃型壳精铸生产的影响。
The effect of different water groove design of the copper plates on the temperature distribution of the mold and the solidifying shell has been studied through thermo-mechanical coupled analysis.
通过对两种不同板坯水槽设计形式进行热力耦合分析，研究了不同水槽设计对结晶器铜板及铸坯初凝坯壳温度分布影响。
The requirements for silica sol and refractory powder for mold shell in face layer differ from that in back layer.
硅溶胶型壳的面层和背层对硅溶胶和耐火粉料的要求是不一样的。
Polymer coated ceramic powder can be used to manufacture mold shell with selective laser sintering technology, and the mold shell is usually used to cast and produce metal part.
利用激光烧结快速成型技术可以烧结覆膜陶瓷材料，形成铸造用型腔壳体并直接应用于铸造，制作金属零件。
The results show that due to the strong jet impingement on the narrow face in mold, solid shell near the impingement point is very thin.
研究表明，钢液对结晶器窄面的冲击严重，导致在冲击点附近的凝固坯壳较薄。
An unreasonable liquid steel flow behaviors have an effect on inclusion flotation, bubble distribution, liquid mold flux fluid capability and spreadability, shell growth, etc.
不合理的钢液流动行为，会影响夹杂物的上浮、气泡的分布、保护渣的熔化及铺展性能、初生坯壳的形成等。
Additionally, the thickness distribution of solidified shell in slab mold are also studied in detail.
还研究了板坯结晶器凝固壳厚度分布。
The technological characteristics of the plastic parts with thin shell were analyzed. the design of the injection mold structure was introduced. and the working process of the mold was stated.
分析了薄壳类塑料产品的工艺特点，介绍了该类产品注射模的结构设计，并说明了该模具的工作过程。
The extensive use of coal gas, can be applied in all need to heat energy conversion sectors, such as: foundry industry: pure mold shell heating;
煤制气的用途广泛，可以应用在各个需要热能转换的行业，如：铸造业：精铸模壳加温；
The injection mold structure of outer shell is introduced, whilst, flow system and the deciding method of pulling-core structure and slider are stated respectively.
介绍了外壳注射模结构，阐述了流道系统、抽芯结构以及滑块的确定方法。
Comparing to the normal water cooling type mold, spray-type mold is more homogeneous in temperature field and in thickness of solidified shell and is higher in cooling intensity.
与普通水缝式结晶器相比，铸坯温度场均匀，坯壳厚度均匀，冷却强度有所提高。
Calculation method of cost and price of investment castings was given based on analysis of sol silicate mold shell investment casting process.
以硅溶胶型壳熔模精密铸造的工艺过程分析为基础，提出了铸件成本和价格的计算方法。
The creep mechanical model of the solidified shell deformation in mold and the heat elastic mechanical model of the mold cupper tube deformation were built too.
本文还建立了结晶器内坯壳变形的蠕变力学模型和结晶器铜管变形的热弹性力学模型。
The stress and distortion of initial solidifying shell due to mold oscillation is the main reason of generating strand surface cracks.
结晶器振动导致初凝坯壳受力和变形是产生铸坯表面裂纹的主要原因。
The stress and distortion of initial solidifying shell due to mold oscillation is the main reason of generating strand surface cracks.
结晶器振动导致初凝坯壳受力和变形是产生铸坯表面裂纹的主要原因。
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