The induction hardening technology of diesel engine head valve seats and its process quality control;
柴油发动机缸盖气门座高频感应淬火技术及其工艺质量控制
Improvement of DF_4 locomotive engine valve seat grinder;
DF_4型机车柴油机气门座研磨机改造探讨
Material and Wear Mechanism of Heavy Duty Engine Valve Seat;
重型发动机气门座圈磨损机理与材料
In the case of without exhause gas, the wear process of valve-valve base pairs conforms to the general laws, it is consists of three stages, i.
本文根据摩擦学原理,采用动态磨损模拟试验和表面微观分析的研究方法考察了冲击载荷、温度、燃烧气氛等磨损工况对气门-气门座摩擦磨损特性的影响,指出要改善气门-气门座的摩擦磨损特性,就必须提高材料表面层在高温下的力学性能和抗蠕变及抗腐蚀的能力。
Through machining experiments,it is found that ceramal is an appropriate cutting material for valve seats made of Cr-Mo-Ni powder metallurgy,from point of view of whether the machining accuracy or tool-life.
通过对高性能粉末冶金气门座圈的切削实验,获知无论是加工精度还是刀具寿命,金属陶瓷是较为合适的刀具材料;根据气门座圈与气门导管孔的位置精度要求,提出新的加工工艺方法,设计了相应的可转位机夹刀片和精密组合刀具的结构。
High alloyed valve seats,taken Fe (11～13)Cr (0 5～2)Mo (1 8～2 5)C (2～4)Me as raw material,were fabricated in high quality by P/M sintering infiltration process.
采用粉末冶金烧结熔浸工艺制备出以Fe ( 1 1～ 1 3)Cr ( 0 5～ 2 )Mo ( 1 8～ 2 5)C ( 2～ 4 )Me为原料的高合金、高性能粉末冶金气门座圈 ;并简要介绍了该气门座圈的密度、硬度、抗热冲击、机加工性能以及组织结构。
The failure of the powder metallurgy valve seat was analyzed by optical microscopy, scanning electronic microscopy, X-ray energy spectrum and X-ray diffraction.
采用力学、物理性能测试,金相、扫描电镜、能谱和X衍射分析研究了气门座圈产品失效的主要原因。
The result reveals that the valve train noise mainly results from impacting between rocker and valve stick,impacting of valve seating.
为了研究发动机配气机构的噪声机理及其影响因素,进行了某125型发动机配气机构的噪声分离实验,实验结果揭示出其主要噪声由摇臂与气门杆敲击、气门落座撞击产生。
valve seat insert(valve seat ring)
气门座镶圈（嵌镶式气门座圈）
"adjusting valve tappet clearances (also called adjusting valve lash), grinding valves and valve seats."
气门维修包括调校气门间隙(也称气门余隙),研磨气门和气门座.
carbide tipped valve seat reamer
硬质合金气门座铰刀
Repairing Technology Improvement of Engine Valve & Valve Seat
内燃机气门及气门座修理工艺的改进
"After the cam lobe moves out from under the valve lifter, the valve spring forces the valve up onto its seat again."
当凸轮凸角离开气门挺杆,气门弹簧使气门重新回到气门座上。
As this occurs, valve springs pull the valve tightly closed against its opening, called the valve seat.
当这发生时，气门弹簧紧紧地关闭气门口，叫做气门座。
"Valve Service and Maintenance includes installing new seat inserts, cleaning or replacing valve guides, servicing the camshaft and camshaft bearings, and timing the valves."
气门维修包括镶配气门座,清洁或更换气门导管,保养凸轮轴和凸轮轴轴承,气门的正时调整。
Process Technology Research on Valve Seat Ring and Valve Stem Guide Hole of Cylinder Head;
气缸盖气门座圈和导管孔的加工工艺研究
A spring on the valve stem tends to hold the valve on its seat (closed). The lower end of the spring rests against the cylinder head.
气门杆上的弹簧使气门保持在气门座上(关闭状态)。弹簧的下端抵在气缸盖上。
Failure analysis and solution of high-chrome alloy iron valve seat ring
关于气门座高铬合金铸铁缺陷对策及分析
Effect on the Performance of Gasoline Engine about Inner Diameter of Intake Valve
进气门座圈内径对车用汽油机性能影响的分析
The Research about Several Fine Processing Technologies of Valve Seat Ring and Valve Stem Guide Hole of Cylinder Head;
气缸盖气门座圈和导管孔的几种精加工工艺分析
As the camshaft rotates, the lobe, or high spot of the cam, pushes against parts connected to the stem of the valve.
当凸轮轴旋转时，凸轮凸起的或者高点的位置，推动气门座。
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。
Valves must be properly timed. They must seat tightly and operate without lag.
气门必须严格定时,落座严密并且开启无滞
Study on Wear Mechanism of Engine Valve-seat Friction Pair
内燃机气门-座圈摩擦副磨损机制的实验研究
I pull the wheezy bell of their shuttered cottage: and wait.
我拉了拉他们那座关上百叶窗的茅屋上气不接下气的门铃，等着。
GE corporate leadership and training institute located in Ossining, N.Y.
是座落于纽约州Ossining 的通用电气公司的公司领导及培训部门。