Abstract : according to the general development trendency of the foundry technology and the recent research progreses of coating , developing trend of the sand mould coating is discussed in respects of the types , properties and quality control of the coating 文摘:根据铸造技术总的发展趋势及涂料的最新研究进展，从未来涂料的品种、性能、涂敷方式及品质控制等几个方面论述了砂型铸造涂料的发展趋势。
Some testing devices are of advanced ones , such as scanning electronic microscope , microfocus circular radioscope , water - immersed ultrasonic flaw detector , 3 - axis measuring machines , large - sized projector , etc . for the production of non - aero products , there are large - sized die - casting equipment , and nearly 100 pieces of specialized gear machine tools including worm - gear grinding machine , etc . it has some specialized production lines for piston , crankshaft , cylinder and housing , etc . , as well as 4 flexible production lines advanced at home for motorcycle engine , and a complete set of automatic inspection test eqiuipment for motorcycle engine 计算机辅助设计辅助加工技术正在普遍使用。在非航空产品生产方面有大型压铸设备壳型铸造，包括锅杆轮磨在内的轮专用机床100多台，以及活塞曲轴汽缸壳体等专业化生产线。此外，还建成了具有国内领先水平的4条摩托车发动机柔性生产线，以及成套的摩托车发动机检测设备，可进行测试数据分析，改进检定测试方法等。
A detailed introduction was made to the properties of the wet coated sand suitable for multi - station shell mould shooting machine ; the development of a sort of high strength coated sand with low resin content : the shaping index and wetness adjusting process : analysis and prevention of peel back defect of shells made with overturning hopper process ; test method of peel back resistance of coated sand : pinhole defect analysis of high ni ductile iron shell mould castings and application of anti - pinhole coated sand 详细介绍适用于吹砂式多工位壳型机的湿态覆膜砂性能；高强度低树脂量覆膜砂的研制；湿态壳型覆膜砂的成形性指数与调湿工艺；翻斗法制壳时的脱壳问题分析和解决办法；覆膜砂脱壳性检测方法；高镍球铁件壳型铸造表面针孔原因分析与抗针孔覆膜砂的应用。
Was established in 1995 , covers an area of 12 , 000 square meters , 7 , 000 square meters of building area , it is a professional foundry enterprise which combines forging , gravity moulding , sand casting process as whole . it is located in yongkang s industrial key town - qiaoxia industrial area , longshan town , enjoys convenient traffic 创建于1995年，企业占地面积12000平方米，建筑面积7000平方米，是一家集压铸，重力浇铸，砂型铸造为一体的专业铸造企业，位于永康市工业强镇-山镇桥下工业生产基地，地理位置优越，交通运输便捷。
Rapid prototyping technology changed the traditional pattern of product design , which could offer product sample for the designer , reduced design cycle and quicken the schedule of new product design , and it gave the decision - makers visual feeling . ; rp technology provided kinds of molds including resin - boncled mold laminate mold , investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting , it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly , and it could even produce casting products in small scales . the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced , the organic combination between rapid prototyping tecnnology and foundry process , which initiated a new period of rapid manufacturing metal parts , by using advanced new technology alternated traditional foundry industry to make it looked brand - new , thus , the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method , common processes of using rapid prototyping technology to produce dies were discussed , in the paper it explored that . the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting , rapid tooling based on rapid prototyping , integrated advanced new technology and tradition technology of rapid prototyping manufacture , each superiority were exerted , rapid prototyping technology had been an efficiency measure to rapid update products and develop new product , and to middle - 快速成型技术改变了传统的产品开发模式，可以为设计者提供产品样件，缩短设计周期，加快新产品的开发进度，为决策者提供直观性；快速成型技术迅速提供砂型铸造、熔模铸造、实型铸造用的各种模样，包括树脂模、层压模、熔模和消失模等，还可采用直接制壳铸造法直接制造熔模铸造用的压型、金属型、压铸型、注塑模，甚至直接制造小批量铸件，介绍了熔积成型技术在石膏型精密铸造上的应用和基于选择性激光烧结技术的快速铸造技术，快速成型技术与铸造工艺的有机结合，开创了快速制造金属零件的新阶段，对用高新技术改造传统的铸造工业，使其面貌焕然一新，增强铸造行业的竞争能力；快速成型技术为母模的制造提供了一条快速、经济、可行的技术途径，讨论了利用快速成型技术制造模具的一般工艺方法，探讨了将快速成型技术与金属电弧喷镀技术结合起来快速制造金属模具问题，以及快速成型技术与精密铸造技术相结合的模具制造工艺，基于快速成型制造的快速模具技术，集成了快速成型制造高新技术和传统技术，发挥各自优势，已成为产品快速更新换代和新产品开发及中、小批量生产的有效手段之一。
Abstract : based on sun workstation sparc20 ug software has been used in cad of full - mold casting tool of cylinder head of model n485q multi - cylinder diesel to solve knotty problems such as cut of pattern membrane of cylinder head . visibility of size of each part of cooperation of tools with mold cavity and , molding of complex curved surface . tool design thinking of full - mold casting of complex diesel castings has been explored 文摘:采用基于5un工作站sparc20的ug软件进行n485q多缸柴油机气缸盖实型铸造模具的计算机辅助设计，解决了缸盖模样的模片切取、模具配合型腔各部位尺寸的可视化以及复杂曲面的造型等疑难问题，探索出了一条复杂内燃机铸件实型铸造的模具设计思路。
