Properties of the green sand and the surface quality of the casting may be decreased due to the resin sand of cold box cores entering the green sand system.
冷芯盒树脂砂进入湿型砂系统会使湿型砂性能和铸件表面质量下降。
A new type apparatus for the measurement of wet tensile strength of green sand was developed.
所研究开发的一种新型湿型砂热湿拉强度测试仪,以压缩空气作为总动力源,通过气缸带动加热板升降,通过气液转换器和油缸实现液压加载;仪器由单片机系统控制,实现测试过程、数据处理、显示和数据传输的自动化;仪器通过蓝牙模块作为工具实现与计算机的通讯,这为网络化造型材料实验室的构建打下基础。
The compose,producing technology,properties,application example and using experiences of new alcohol based brushing coatings for green sand cast are introduced in this paper.
介绍了粘土湿型砂铸造新型醇基喷涂涂料的组成结构、生产工艺、性能特点、应用实例和使用经验,重点分析了新型复合分散悬浮剂的主要特点,对比研究了它的悬浮效果,简述了它的作用机理。
This instrument can measure accurately the moisture of all kinds of green molding sand acting as primary assistant material within ten seconds and display automatically.
该仪器１０ｓ内即可准确测出各种湿型砂用原辅材料的水分，并自动显示。
This paper gives the primary characteristics and praparation princi-ples of pregelatinized starch, also, its effects on properties of green molding sand and applications in green sand casting are introduced.
介绍了α淀粉的基本性质、制备原理,以及对湿型砂性能的影响和在湿型铸造生产中的应用情况。
The returned sand mixed with above mentioned coated sand can be used directly for preparing green molding sand without any reclamation treatment and without new sand addition and so that not only the production cost of castings can be decreased, and both the dimension unstability of sand mold and the scab defect caused by the phase transition of quartz of the new sand can be avoided.
混有这种覆膜砂的旧型砂可在不进行再生处理、不添加新砂的情况下,直接用来混制湿型砂,不但可以降低铸件生产成本,还可避免新砂石英相变引起的砂型尺寸不稳定和夹砂缺陷。
Clean process of animal protein glue mold and core sand foundry
铸造动物蛋白质胶型芯砂的清洁生产工艺
This paper has looked back resin sand development course, Fu Nan resin test , have determined mould and core sand technology in crankshaft casting;
本文回顾了树脂砂发展过程，对呋喃树脂自硬砂进行了试验，确定了曲轴型芯砂工艺；
Study on Protection Environment Type Core Sand Adhesive by Expansion-crosslink Technology
利用膨化—交联技术制备环保型芯砂粘结剂的研究
Study on The Preparation of Less Pollute Core Binders by Expansion-crosslink Technology
利用膨化-交联技术制备环保型芯砂黏结剂的研究
cord, foundry, used in the reparation of sand moulds
翻砂型芯,用于制备砂型
core box, used in the preparation of sand moulds
型芯盒,用于制备砂型
chaplet, of iron or steel (excl. moulder's nails), for foundery moulding cores
型芯撑,钢或铁制（不包括型芯撑钉）用于翻砂制模型芯）
The Development and Application of the New Light-colored Coating for Resin-bonded Sand Mold and Core for Aluminium Casting
铝铸件树脂砂型芯用新型涂料的研制和应用
Study on the Technology of Nylon Core Box for Sand Casting Based on Rapid Prototyping
砂型铸造用尼龙芯盒激光快速成型技术研究
Sand Care Making Technology and Mould Design for Cylinder Blolck and Camshaft of Model 491 Engine
491型发动机缸体、凸轮轴砂芯制芯工艺及模具设计
Concrete-cored sand-gravel pile as a new technique for improvement of soft foundation is briefly introduced.
简单介绍了新型软基处理技术?混凝土芯砂石桩。
The Optimal Design of Group Core Jig for Sand Cast of Model 4115 Cylinder Block
4115气缸体砂型铸造组芯夹具的优化设计
Two Storage Ways of Core in Core Storage and Expulsion System
砂芯储存、输送系统中的砂芯储存方式
TEST OF WATER SOLUBLE CORE WITH ALUNDUM AS BASE MATERIAL IN CASTING ALUMINIUM
以电熔刚玉砂为主体材料的水溶性型芯铝合金铸造试验
All matte type screen (MB type)
全磨砂型屏(MB型)
Application of Far Infrared Heating Technology in Oven to Dry Unfired Pottery and Sand Core
远红外加热技术在坭芯和砂芯烘干炉中的应用
Preparing Green Molding Sand by Using Returned Sand Containing Collapsed Resin-Coated Sand
用混有溃散覆膜砂的旧砂配制湿型砂
The calomel electrode has a small pinhole opening or wick.
甘汞电板上有一个针孔或砂芯。