查询词典 casting

Several heats of API X70 for arctic application were cast and rolled on this flexible thin slab casting rolling line and it was confirmed that the thin slab casting technology is particularly suitable for producing hot rolled coils of HSLA steels,even for applications in severe environmental conditions,achieving all characteristics above standards.

用这套灵活的薄板坯轧制设备生产在北极高寒地区使用的PAIX70管线钢，几炉钢水的试浇试轧结果已经证明，达涅利薄板坯连铸技术特别适合生产高强度低合金钢热轧带卷，即便是用于极为严酷的使用环境，其各项性能指标仍可超过标准规定的质量要求。关键词薄板坯； HSLA； API X70；管线钢；北极地区应用

In order to use the existing production conditions sufficiently, by the quality control of the continuous-casting billet and hot sending process and the cooling process after rolling, especially the process controlling of Hot-Continuous-Rolling, realizing the small reduction ratio Hot-Continuous-Rolling production technics to produce big size steel stick upwards Φ 120mm using rectangular continuous-casting billet of 235 X 265mm, the lowest limit of 6.00 used in China currently is broken.

为了充分利用现有生产条件，通过控制连铸坯质量、热送和轧后冷却过程的控制，尤其是热连轧过程的优化控制，实现了235×265mm矩形连铸坯生产Φ120mm以上大规格棒材，热连轧压缩比突破了国内一般采用的6.00这个下限。

The company plans to invest 125 million yuan in science and technology industrial park in Zhangjiajie City Area A land of 120 acres to produce cars, pickup trucks, mini-cars such as small displacement vehicle poor, reducer shell, gear boxes of casting as the basis, eventually Formed mainly to car parts, the casting and machining professional as one of the enterprises.

公司计划投资1.25亿元，在张家界市科技工业园A区征地120亩，以生产轿车、皮卡车、微型车等小排量汽车的差、减速器壳体、变速箱件铸件为依托，最终形成以轿车零部件生产为主的专业铸造和机械加工为一体的企业。

The company has developed three types of mold and the three series of species: the three major types: the first category, plastic (such as: injection molding, blow molding); the second category, die-casting mold (such as: aluminum die-casting); third type, sheet metal mold (such as: stamping die, tensile modulus).

公司主要研制开发的模具有三大类型和三大系列品种：三大类型：第一类，塑料模；第二类，压铸模；第三类，钣金模。

Plant exports most of the mechanical parts, products, weight 60-2250 g range, self-shot blasting and abrasive surface treatment. Factory collection of gold ingredients, smelting, casting, permanent mold casting, shot blasting, processing in one, can provide customers with different national standard grades of aluminum alloy, wear-resistant alloy, zinc alloy castings, also in accordance with specific circumstances, the preparation of special constituents of alloy materials of new technologies, new processes, new materials research and applications to meet customer performance accessories have certain special requirements.

本厂集合金配料，冶炼，压铸，永久模浇铸，抛丸，加工于一体，可为客户提供不同国家标准牌号的铝合金，耐磨合金，锌合金铸件，亦可根据具体情况，配制特殊成分的合金材料进行新技术，新工艺，新材料的研究与应用，以满足客户对配件某方面性能有特殊要求。

The development history of powder metallurgy,Self-propagating High-temperature Systhesis,and casting and infiltration casting processes as well as the reinforcements,matrixes and applications are described in detail.

中国的钢产量由2001年的1.516亿t增至2003年的2.201亿t.21世纪，钢铁仍将是占主导地位的结构材料。因此，如何提高钢铁材料的性能也成为国内外众多学者研究的目标。

This paper points out that the metal mold casting coated with resin sand and the shell mold casting filled with iron balls are technologies with good future in the production of ductile iron crankshaft s.

介绍了国内外球铁曲轴的生产应用以及铸造工艺现状，指出铁型覆砂铸造和壳型填铁丸铸造工艺是生产球铁曲轴件具有良好前景的方法。

The paper analyses the forming causes of blank crack and points out that higher core sand strength, bottom-casting single-layer runner and solid structure of sand core are main factors of affecting the blank casting quality.

分析了大斗毛坯产生裂纹的原因，并指出芯砂强度高、底注单层浇道、砂芯为实心结构等是影响大斗毛坯铸造质量的主要因素。

With the continuous development of the high compacted molding methods and technique, the quality of casting especially their surface quality and size accuracy have been increased significantly, and the rate of waste product was reduced greatly. The degree of ramming of sand mold was improved highly, but the sizes of cavity were changed by the springback of sand mold at the same time, and then it causes the variety of the sizes of casting.

随着高紧实度造型技术和方法的不断发展，铸件的质量尤其是表面质量和尺寸有了很大的提高，大大降低了废品率，但是在砂型紧实度提高的同时，由此产生的型砂回弹改变了行腔尺寸，引起铸件尺寸的变化，成了制约铸件精度和质量的重要因素。

The chill block hanged sand and the riser were used to optimize the original casting process. Finally the shrinkage of the casting was eliminated.

采用挂砂外冷铁配合冒口使用对原方案进行了优化，最终消除了铸件中的缩孔缺陷。

Use nationalization degree and the relationship that commercialize degree, condition of calculable market economy plays scope of optimal and state-owned economy.

利用国有化程度与市场化程度的关系，可计算市场经济条件下最佳国有经济规模。

The kinds of extractant also effected desulfurization rate .

萃取剂对脱硫率的影响也很大，乙二胺的萃取效果优于甲醇的。