1) Valve and Valve Seat
气门与气门座
1.
Engine Valve and Valve Seat Air Tightness Test
发动机气门与气门座气密性检测
2) gas valve valve seat
气门-门座
3) valve-valve base
气门-气门座
1.
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。
4) valve/valve seat
气门-门座副
5) valve seat
气门座圈
1.
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。
2.
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。
3.
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。
6) valve seat
气门座
1.
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
2.
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
3.
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
补充资料：气门
气门
qimen
气门(qimen)针灸穴名。见《养耕集》。牛位于铭骨具后方，荐惟两侧约9厘米处，即从艘结节至尾根作一连线，再以坐骨结节与百会穴作一连线，两线相交处是穴.左右侧各一穴。刺入臀中肌内。深部有坐骨神经和件前动、峥脉分支。以火针或圆利针直刺3厘米.毫针直刺6厘米。主治后肢风湿、不孕。 (宋大鲁)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条