查询词典 cone bearing

Our company can provide various analytical AAS graphite furnace, various graphite cone, graphite tube, graphite platform, graphite crucible for gas analysis, graphite gleithretter, graphite sinter pole, heterotype graphite mould, graphite crystallizer, oil free bearing, thermocouple graphite protecting jacket, graphite obturating ring.

我公司可以向国内外用户提供各种分析仪器原子吸收石墨炉，各种型号石墨锥、石墨管、石墨平台；各型号气体分析仪器石墨坩埚、各尺寸石墨滑片、石墨烧结棒、异型石墨模具、石墨结晶器、无油石墨轴承、各型号热电耦石墨保护套、石墨密封圈。

For example,the spiral arrangement of scale－bract complexes on ovule－bearing pine cones,where the female reproductive organs of conifers are located,is important to the production of airflow patterns that spiral over the cone's su***ces,thereby passing airborne pollen from one scale to the next.

例如，带有胚珠的松球的鳞苞综合体的螺旋状安排，亦即松柏目植物雌性殖器官的所在位置，对于气流模式的形成与产生殊为重要，而这些气流模式在松球的表现盘旋上升，从而把在空气中飞行的花粉从一个鳞苞传播至下一个鳞苞。

Therefore, we should not neglect the study and improvement for the service life of bearing while researching cone bits.

因此，在研究钻头的同时，决不可忽视对轴承寿命的研究和改进。

Cone bit ; bit bearing ; stress analysis ; finite element analysis

牙轮钻头；钻头轴承；应力分析；有限元法

A lubricant reservoir in the body supplies lubricant to passages between the cone and bearing pin.

钻头体内的储油腔将润滑油供向牙轮与牙轮轴颈之间的通道。

The bit has a cone rotatably mounted to a bearing pin of the bit body.

钻头具有可旋转地安装至钻头体牙轮轴(19)的锥体(29)。

To enhance the reliability of bearing seal of cone bit, this paper plans to adopt face-radial combination sealing structures; that is to say, end-face and radial seal are arranged in one bit simultaneously. The nonlinear finite element method is applied to analyze and optimize the design of sealing structures.

为了提高牙轮钻头轴承密封的可靠性，本文设计采用端面-径向组合密封结构，即在一只钻头中同时布置端面和径向密封，采用非线性有限元方法对密封结构进行分析和优化。

Cone bit ; bit bearing ; bit lubrication ; load ; calculation

牙轮钻头；钻头轴承；钻头润滑；载荷；计算

In China, the roller bearing cone bit is now equipped with short cylindrical roller, which has stress centralization on the edge, and it easily causes fatigue failure on the contact area.

国内现有牙轮钻头滚动轴承多采用短圆柱滚子轴承结构，滚子边缘处存在应力集中现象，使得轴承接触表面极易发生疲劳破坏，为提高牙轮钻头滚动轴承杭接触疲劳寿命，提出在牙轮钻头滚动轴承中来用凹端圆柱滚子的方案。

The company is headquartered in Spainù Provinceá City, specializing in rubber metal products design, production and sales, product is the basic damping of flexible pieces mainly, including rubber and metal flexible joints, for the locomotive spring rubber metal parts, rubber metal bearing, progressive cone and planar shock absorbers, such as cylinder piston.

公司总部位于西班牙基普斯科瓦省乌尔尼塔市，专门从事橡胶金属产品的设计、生产及销售，产品基本是以减震柔性件为主，包括橡胶及金属弹性关节，用于机车的橡胶金属弹簧件，橡胶金属支座，渐进式圆锥及平面减震器，气缸活塞等。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐