Experienced in casting, machining, assembly, especially in gearbox and valve industry.
具有铸造、机加工、组装工作经验，特别是齿轮箱或阀门工业。
The valve inlet and body are one integral casting assuring proper alignment of disc, seat and spindle for smooth action.
这种阀门的进口和阀体为一件式铸件，确保了阀瓣，阀座和芯轴的对齐和平稳运动。
This text introduces the operation principle, valve position, velocity control, and the solution for key problems of velocity valve's control system for vertical semi-continuous casting machine.
本文介绍了立式半连续铸造机速度阀控制系统的工作原理、阀位、速度控制方式和各种关键问题的解决方法。
The numerical simulation of temperature field and shrinkage defect prediction for a valve casting, which was involved in 4 kinds of casting proces.
对采用4种不同铸造工艺方案的阀体铸件凝固过程进行了数值模拟及缺陷预测，获得了与试验相一致的模拟结果。
The fluid surface forcing control system applied on counter pressure casting is built based on the combined digital valve as the main flow control component.
采用组合式数字阀作为主要流量控制元件，构建差压铸造液面加压控制系统。
Compared with large stainless steel valve body in sand casting, it was difficult to control solidification process in investment casting, which results in some defects in the valve body.
特大型不锈钢阀体熔模精密铸造与砂型铸造比较，最大的问题是铸件的凝固控制。
The large flow and high response proportional throttle valve is one of the most important content in the high performance Die Casting Machine.
应用于压铸机的大流量高响应节流阀是实现高性能压铸机的一项重要研究内容。
The permanent mould centrifugal casting process used for production of valve seat for internal combustion engine and the material of casting was described.
叙述金属型离心铸造内燃机气门座的工艺方法和材料特点。
All of the valve castings precision casting.
本阀铸件全部采用精密铸造。
Based on the numerical simulation result, the casting process of the valve for practical mass production has been set up.
根据数值模拟结果，确定了进行批生产的铸造工艺方案。
Therefore transportation of sulphuric acid valve is usually a high silicon iron pump (casting and machining difficult), high-alloy stainless steel pumps (on the 20th alloy) manufacturing.
因此输送硫酸的泵阀通常采用高硅铸铁泵(铸造及加工难度大)、高合金不锈钢泵(20号合金)制造。
Strength of capital and talent, with all the valve product development, research, design, casting, machining, assembly, testing, measurement, storage, transport, services, and all other capabilities.
资金和人才实力雄厚，具备各类阀门产品开发、研制、设计、铸造、机加工、装配、试验、测量、仓储、运输、服务等全部能力。
It was concluded that brittle fracture of the valve body was the result of poor casting quality.
结果表明，该阀体爆裂属脆性断裂，爆裂系截止阀材质、组织及铸造质量差所致。
The general description, main points of design, technological improvements in valve body casting and test methods of the said valve are discussed.
论述球铁高压燃气闸阀的概况、设计要点、壳体浇铸工艺性的改进和试验方法。
It was very difficult for high cr cast Fe hollow ball valve in investment casting due to its internal hollow and full close as well as high crack susceptibility.
高铬铸铁空心球阀的精密铸造难度较大，球阀内部必须空心、全封闭，同时高铬铸铁的裂纹敏感性极强。
Research on high-speed flux valve for die-casting machine is completed and a reasonable control strategy is used to improve its responding speed during fast shot and pressurization process.
对压铸机高速流量阀进行研究，采用合理的控制策略，提高快压射和增压过程的响应速度。
The results showed that the root reason for valve body failure was seriously casting defect exist and its big and density shrinkage porosity form the original crack;
结果得出：阀体失效的主要原因是阀体本身存在严重的铸造缺陷，铸造疏松严重、孔洞尺寸大乃于形成原始裂纹源；
It is for hardfacing of continuous casting roll, steam valve, wedge-shaped valve, safety valve, etc.
适用于连铸辊、蒸汽阀、楔形阀、安全阀等部件的硬面堆焊。
So the centrifugal casting high Cr cast iron can meet the use requirements of the engine valve seat.
离心铸造高铬铸铁气门座圈能满足大功率内燃机的使用要求。
So the centrifugal casting high Cr cast iron can meet the use requirements of the engine valve seat.
离心铸造高铬铸铁气门座圈能满足大功率内燃机的使用要求。
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