查询词典 bearing

A rotor structure for a rotating wing aircraft having substantially rigid rotor head means and rotor blades or wing means arranged in at least one pair, comprising blade angle bearing means (10, 12, 14, 16) for each rotor blade means, tension bar means (6,8) operatively interconnecting the rotor blade means of a pair which blade means are arranged diametrically opposite each other, said tension bar means having a high bending resistance, whereby transmission of bending moments from the rotor blades to the rotor head means is substantially prevented, each of said blade angle bearing means comprising a structure angularly movable in the wing flap direction and in the wing lead-lag direction, at least one of said blade angle bearing means of a pair comprising means permitting an axial motion of the respective tension bar means supported in said blade angle bearing means, and wherein said blade angle bearing means (10, 12, 14, 16) operatively support said tension bar means (6, 8) on said rotor head means (4) for pitch angle rotation of said tension bar means relative to said rotor head means (4), said rotor structure further comprising means (24) securing said rotor blade means (18) to said tension bar means (6, 8) in a manner rigid against rotation of the blade means about the longitudinal blade axis whereby the securing means prevent flapping, drag and lagging movements of the tension bar means, said tension bar means being constructed as torsion bars which are elastic relative to torsion about said longitudinal blade axis.

1转子结构为旋转翼飞机，有大幅刚性转子头部的手段和转子叶片或机翼的手段安排中至少有一对，组成的叶片角度轴承手段（ 10 ， 12 ， 14 ， 16 ）为每个转子叶片的手段，拉杆手段（ 6，8 ）手术互连转子叶片的手段，其中一对刀片的手段都是安排截然相反的对方说，拉杆手段，有一个高弯曲阻力，即传输弯矩从转子叶片向转子头的意思是，大幅防患于未然，每个叶片角度说，轴承的手段组成的一个结构angularly动产在机翼上皮瓣的方向和在机翼导致滞后的方向，至少有一个叶片角度说，轴承是指一对组成的手段，允许轴向的议案，分别紧张酒吧手段，支持在叶片角度说，轴承的手段，其中，叶片角度说，轴承的手段（ 10 ， 12 ， 14 ， 16 ）手术的支持表示拉杆的手段（ 6 ， 8 ）就表示，转子头部的手段（ 4 ）为俯仰角轮换说拉杆手段相对说，转子头部的手段（ 4 ）表示，转子结构进一步组成的手段，（ 24 ）说，确保转子叶片的手段（ 18 ）表示，拉杆手段（ 6 ， 8 ）在一个僵化的方式对旋转的叶片即是说，约纵向叶片轴，即确保手段防止扑，拖曳和落后变动的紧张局势，酒吧的手段，说拉杆手段，正在建造的，作为扭杆这是弹性相对扭转约说，纵向叶片轴。

Ceramic bearings can produce oxidation-ho, silicon carbide, silicon nitride and so on, diameter from 3mm-50mm, precision Machinable P0, P6, P5 level; its performance characteristics are: high temperature, oil-free self-lubricating, acid, alkali and salt corrosion , wear resistance, low noise, insulating diamagnetic, since high-speed operation; metal nano-ceramic bearing its production process for a new generation of high content of nano-particles in the heat and pressure infiltration of metal surface is activated to fill the cracks and pits the metal so that 3-5 micron metal surface is more smooth solid surface, greatly reduce the friction, improve Chennai base metals, and greatly increased the life span of bearings, and its characteristics are: long life (as an ordinary stainless steel bearings 2 -- 10-fold), low noise (as an ordinary stainless steel bearings, 70%), wear-resisting, acid, alkali, salt corrosion, high temperature, load large; ceramic bearing and metal nano-ceramic bearing design and development to meet the needs of the market for high-speed, low - noise, high load, the demand for corrosion-resistant; Machinery Production Department to produce aircraft rod end joint bearing, linear guide bearings, the fuel tank of earrings, plastic bearing, non-standard side bearing components, glass door hardware, such as high-precision control products; and provide CNC machining.

陶瓷轴承可生产氧化镐、碳化硅、氮化硅等，内径从3mm-50mm，精度可加工P0、P6、P5级；其性能特点为：耐高温、无油自润滑、耐酸、碱、盐腐蚀、耐磨、低噪音、绝缘抗磁、起高速运转；金属纳米陶瓷轴承其生产工艺为新一代的高含量纳米级微粒在热和压力的作用下被激活渗入金属表面，填补金属缝隙和凹坑，使金属表面3-5微米表面更光滑坚固，大大降低其摩擦力，提高金属的奈酸碱性，并大大提高了轴承的寿命，其特性为：长寿命（为普通不锈钢轴承的2-10倍）、低噪音（为普通不锈钢轴承的70%）、耐磨、耐酸、碱、盐腐蚀、耐高温、负载大；陶瓷轴承与金属纳米陶瓷轴承的设计开发以满足市场对高转速、低噪音、高负载、耐腐蚀的需求；机械生产部以生产机杆端关节轴承、直线导轨轴承、油缸耳环、塑料轴承、非标端轴承零部件、玻璃门控五金等高精度产品；并对外提供数控加工。

A APDL program is developed for analyzing the contact stress of journal bearing pair of roller cone bit. The 25 contact stress cases of different clearance fit(including clearance of large bearing is bigger, equal to and smaller than that of small bearing) journal bearing pair of the 8 1/2XXX roller cone bit are analyzed. The result is that the maximum contact stress is less when the clearance of large journal bearing pair is smaller than or equal to that of small journal bearing pair.

用参数化设计语言APDL编制了牙轮钻头滑动轴承的ANSYS接触有限元分析程序，根据钻头制造厂方提供的某8 1/2的轴承配合间隙尺寸，分三种不同的间隙配合（大轴间隙大于小轴间隙、大轴间隙等于小轴间隙、大轴间隙小于小轴间隙），共25种情况，对轴承的表面的接触应力进行了分析，得出：大轴间隙小于等于小轴间隙时最大应力比较小。

The number of fruits had the highest directly positive relationship with seed yield,followed by leaf length,collar diameter,length of bearing branch,hundred-seed weight,the number of branches,angle of bearing branches,the height of bearing branches and plant height;five of 14 seed yield components exhibited directly negative relationships with seed yield,including leaf width,ratio of leaf length to width,the number of bearing branches,bottom diameter of bearing branches and ratio of bearing branches to branches.

2果实数对种子产量的直接正效应最大，其后依次是叶长、地径、结果枝长、百粒重、分枝数、结果枝角度、结果枝高度和株高；14个产量因子中有5个对产量有直接的负效应，包括叶宽、叶长宽比、结果枝数、结果枝底径和结果枝比。

Yongda Wafangdian Bearing Manufacturing Co., Ltd. is the advanced level in the 1990s bearing processing equipment, strong technical force, sophisticated production equipment, advanced technology level, the detection means complete, the implementation of computer management quality standard bearings and non-standard bearings Specialized production and focus on new products and multi-function products, all kinds of special structure of the non-standard bearings, to maintain for processing, but also for user design and manufacture of deep groove ball bearings and cylindrical roller bearings, spherical roller bearings, Cone Roller bearing, thrust ball bearings, thrust-aligning roller bearings, subdivision-bearing, self-lubricating bearing joints, processing diameter of 200 mm to 1000 mm of non-standard bearings, bearing the standard, widely used in mining, metallurgy, steel rolling, water conservancy , Textiles, ceramics, oil, electrical, engineering machinery, and so on.

瓦房店永达轴承制造有限公司具有90年代先进水平的轴承加工设备，技术力量雄厚，生产设备精良，工艺水平先进，检测手段齐全，实行微机管理质量的标准轴承和非标准轴承专业化生产，并侧重于新产品及多功能产品、各种特殊结构的非标准轴承、保持器加工制造，还可为用户设计制造深沟球轴承、圆柱滚子轴承、球面滚子轴承、圆锥滚子轴承、推力球轴承、推力调心滚子轴承、剖分式轴承、自润滑关节轴承、加工制造内径200mm至1000mm的非标准轴承、标准轴承、可广泛用于矿山、冶金、轧钢、水利、纺织、陶瓷、石油、电机、工程机械等。

Welcome to PRS , a leader in engineering, manufacture, service and support of high precision cylindrical cross roller bearing, taper cross roller bearing, wire race bearing, thin section ball bearing, eccentric combined bearing used in print machine, slewing rings etc from ID 100mm to 5500mm. PRS uses CAD, PDM, etc software and ERP, CRM, PROE, etc Management systems to better meet more expanding needs in recent years. At PRS, we realized that today competitive demand more than just products. That why, our engineers would only take half busines day to provide a primary drawing and answer variety of questions according to customers' requirements. In addition, we offer a variety of technical development and design in standard or nonstandard products. Our product sales engineers will provide in-time and correct price reply service within one hour for the worldwide customers.

我们拥有强大的技术开发能力，能够设计、生产各种标准和非标准产品，这种强大的技术开发能力造就了我们在精密圆柱交叉滚子轴承、精密圆锥交叉滚子轴承、钢丝跑道轴承、等截面薄壁球轴承、印刷机专用高精度偏心组合轴承、回转支承及其他产品领域中一直处于国内领先地位；近年来我们使用CAD、PDM、PROE等产品设计辅助工具和ERP、CRM等管理系统，不断提高我们工作的质量和效率，工程技术人员可以在半个工作日内为用户提供初步的设计方案，能够随时为用户解决各种疑难问题；同时我们产品销售工程师最快能够在1个小时内对全球用户询求的常规产品作出准确的价格回复。

This article in the collection analyzes the domestic and foreign high speed roller bit bearing research pertinent data in the foundation, in view of the present high speed roller bit bearing in the field application existence's question, through to the roller bit bearing main failure mode and the reason analysis, found the extension roller bit service life the theory basis, uses the method which the theory and the experiment unified to develop to the roller bit bearing surface strengthening technology as well as the bearing enclosure system's preliminary study, has provided a new mentality and the method for roller bit's design, further impelled the modern well drilling processing technology the development.

本文在收集分析国内外高速牙轮钻头轴承研究有关资料的基础上，针对目前高速牙轮钻头轴承在现场应用存在的问题，通过对牙轮钻头轴承主要失效形式和原因的分析，找到延长牙轮钻头使用寿命的理论依据，采用理论与实验相结合的方法开展了对牙轮钻头轴承表面强化技术以及轴承密封系统的初步研究，为牙轮钻头的设计提供了一条新的思路和方法，进一步推动现代钻井工艺技术的发展。

The slewing bearing can be divided into four-point conatct ball slewing ring, double-row angular thrust ball slewing bearing, crossed cylindrical roller slewing bearing, crossed tapered roller slewing bearing and three-row cylindrical combined roller slewing bearing according to their different structural styles.

转盘轴承根据不同的结构型式可以分为四点接触球转盘轴承、双排角接触推力球转盘轴承、交叉圆柱滚子轴承、交叉圆锥滚子轴承和三排圆柱滚子组合转盘轴承等不同的结构型式；上述各类轴承按其是否带齿及齿轮的分布部位又分为无齿式、外齿式或内齿式等不同结构。

The slewing bearing can be divided into four-point conatct ball slewing ring, double-row angular thrust ball slewing bearing, crossed cylindrical roller slewing bearing, crossed tapered roller slewing bearing and three-row cylindrical combined roller slewing bearing according to their different structural

转盘轴承根据不同的结构型式可以分为四点接触球转盘轴承、双排角接触推力球转盘轴承、交叉圆柱滚子轴承、交叉圆锥滚子轴承和三排圆柱滚子组合转盘轴承等不同的结构型式；上述各类轴承按其是否带齿及齿轮的分布部位又分为无齿式、外齿式或内齿式等不同结构。

Particularly bearing steel, gear steel, spring steel, the steel mold, seamless steel tubes, and other leading products in domestic and international reputation, there are 35 products were Guoyou, Buyou, provincial distinctions, which, carburizing bearing steel, high carbon Chromium bearing steel and steel gear at the national Jinpai Jiang, single-sided Dual Chamber of flat steel country Silver Spring; GCr15 chromium bearing high-carbon steel products physical quality reached the international advanced level; G20 carburizing steel bearing the identification of Japan and Japan Co., Ltd., That reached the international advanced level, the Beijing plant south of locomotives and rolling stock as Mianjian products;∮ 130 mm specifications over four mooring chain is the only steel through the American Bureau of Shipping, Det Norske Veritas, Lloyd's Register, and other well-known international classification societies of the certification and licensing production of varieties.

特别是轴承钢、齿轮钢、弹簧钢、工模具钢、无缝钢管等主导产品在国内外享有盛誉，有35项产品获国优、部优、省优，其中，渗碳轴承钢、高碳铬轴承钢和齿轮钢分获国家金牌奖，单面双槽弹簧扁钢获国家银奖；GCr15高碳铬轴承钢产品实物质量达到国际先进水平；G20渗碳轴承钢经日本东洋株式会社鉴定，认为达到了国际先进水平，被北京南口机车车辆厂视为免检产品；∮130mm规格以上四级系泊链钢是国内唯一在通过美国船级社、挪威船级社、英国劳氏船级社等国际著名船级社的认证和许可批量生产的品种。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。