Shell core and cold box coremaking are the main technique at present.
目前制芯工艺主要采用壳芯和冷芯盒制芯技术。
Abstract: A networked production control & management system has been implemented at the cold box coremaking shop in Beijing Jeep Ltd.
摘要：一个网络化的生产管理控制系统不久前已经成功地在北京吉普汽车有限公司冷芯盒制芯车间实现。
The paper introduces the present situation, Charac-teristice, principle and typical process flow of SO_2 gassing hardening cold box process in our country.
文章介绍了我国目前SO_2吹气硬化冷芯盒制芯的现状、特点、原理及典型的工艺流程；
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。
After cause analysis of the pipe deformation inside cold box, some corresponding precaution measures are proposed from the aspects of design, fabrication and operation of air separation unit.
文章详细分析了空分设备冷箱内管道变形的原因，从空分设备的设计制造和操作方面，提出了相应的防范措施。
By adopting appropriate high polymer metal ceramics and optimizing cold welding procedures, online repair of leakage in cold box can be realized. Remark - able economic benefit can be achieved.
通过选用合适的新技术高分子聚合金属陶瓷产品，优化冷焊施工工艺，在线修复乙烯冷箱泄漏取得成功。
Based on domestic materials used in the Phenolic Urethane Cold Box Process (PUCB), the relationship between core making technique and the properties of core was analyzed.
在立足于国产制芯原材料的基础上，研究了三乙胺冷芯盒工艺对砂芯性能的影响。
On the basis of the optimum synthesis conditions, the techniques of the CO_2-cured phenolic resin for cold-box are researched.
在确定最佳合成工艺条件的基础上，对CO_2固化酚醛树脂砂冷芯盒工艺条件进行了研究。
CO2-cured binder system not only has the advantages as a cold-box process but also has the superiority in the environmental protection.
铸造用CO2硬化粘结剂系统具有气硬冷芯盒的优点，同时又具有环保方面的优势。
CO2-cured binder system not only has the advantages as a cold-box process but also has the superiority in the environmental protection.
铸造用CO2硬化粘结剂系统具有气硬冷芯盒的优点，同时又具有环保方面的优势。
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