saddle ring

Based on laser displacement inspecting principle and modern photoelectric sense technology,a kind of non-contact measurement technique was put forward,the roundness error and the diameter of saddle ring i.

基于激光位移检测原理与现代光电传感技术,提出一种用于大型回转体类零件———座圈直径与圆度误差非接触测量方法和测量系统。

According to the character of medium-frequency quenching for revolving seat ring race in military gun turret,the quenching process parameter of decreasing the seat ring reformation and its process method,which can provide the technological guarantee to the production of gun turret seat ring,have been obtained through studying on the quenching process for race and the formation of seat ring.

根据某军品炮塔回转座圈滚道中频淬火的特点,通过对滚道淬火工艺及座圈变形的研究,得出减小座圈变形的淬火工艺参数及工艺方法,为炮塔座圈的生产提供了技术保障。

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。

Analysis for surface quench cracks of big bearing ring;

大型轴承座圈表面淬火裂纹分析

The final mechanical property of bearing ring depends on the deformation, In order to make bearing ring have good quality and obtain high prouction efficieny, this paper analyzes multiple rolling range in the machining,rang of the equipment, considers the equipment capacity and the deformation of ring blank, and then sets a mathematical model of process parameter in rolling.

在设备能力范围内，分析了冷辗扩加工的综合辗压区，综合考虑了辗压时的力能参 数与环坯变形状态，建立了轴承座圈冷辗扩加工工艺参数分析的数学模型。

Aiming at the existing problems of poor sealing effect and service and maintenance of an amphibious tank′s turret ring,this paper adopts a particular technique scheme which takes the solution combining active sealing and passive fast clearout and conducts specific design and true-vehicle tank experiment for this solution,which validates the feasibility and validity of this scheme.

针对某水陆坦克炮塔座圈存在密封效果差、维护保养困难等问题,提出了主动密封和被动快速清洗相结合的解决方案,并对方案进行了具体的设计和实车试验,验证了方案的可行性和有效性。

In view of shortcomings of the existing cleanout and maintenance equipment for turret ring of amphibious tank, such as time consuming, easily damaging and lack of flexibility, a new cleanout and maintenance equipment is developed.

针对目前水陆坦克炮塔座圈清洗保养存在费工费时、易损坏、灵活性差等不足,进行了新型炮塔座圈清洗保养设备设计。

valve seat insert(valve seat ring)

气门座镶圈（嵌镶式气门座圈）

primary planet ring

一级行星齿轮轴座圈

Torrington needle bearing

冲压外座圈滚针轴承

split outer race of the wound roller bearing

螺旋滚柱轴承拼合外座圈

Stress and Failure Analysis for Slew Bearings of Truck Mounted Concrete Pump

混凝土泵车回转座圈受力及失效分析

"Clean toilets, wipe under lid and seat as well as cleaning the inside of the toilet. Also clean the pedestal of the toilet."

打扫马桶,擦净马桶盖和座圈的下面,清洁马桶内部和马桶基座四围。

Design and Develop of Alloy Valve Seat Insert (VSI) in the Engine of Lead-Free Gasoline;

无铅汽油发动机合金排气阀座圈的设计及研制

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

Design and Study of Valve Seat Insert Which Used for Automobile Engine of Lead Free Gasoline;

无铅汽油发动机双层排气阀座圈的设计及研制

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

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

Cleanout and Maintenance for the Turret Ring of Amphibious Tank

某型水陆坦克炮塔座圈清洗保养技术研究

The roller of these bearings are of spherical shape, and the spherical raceway surface of the housing washer is selfaligned.

该类轴承滚子为球面型，由于座圈滚道面呈球面，具有调心性能。

bead seat optional contours

可选择的胎圈座轮廓

Give the clock another couple of winds.

给这座钟再上两圈发条。

Turn bulb socket 1/4 turn clockwise.

顺时钟旋转灯泡插座1/4圈。

Seat Face: Negates need for flange gaskets.

阀座表面:不需要使用阀兰垫圈。

A low wall serving as a foundation.

墩座用作根基的一圈矮墙