级轮

In addition, there are variable transmission ratio friction wheel drive, easy to realize stepless speed.

此外，还有变传动比摩擦轮传动，易实现无级变速。

The design of the device using NC Lathe CA6140 control, part of the main transmission system using AC spindle motor and graded by the pulley driven spindle gearbox, through the inverter and gearbox to achieve sub; Feed System used by stepper motor driven ball screw slowdown after campaign vertical feed system through a gear after the ball screw drive, in the horizontal feed system through two gear-driven ball screw; Tool to automatically transfer tool carrier (4-position), thus achieving automatic tool change; by MCS-51 series 8051 data to be dealt with. from the I / O interface stepper pulse output signal to control the feed rate and itineraries; In order to maintain the function of cutting thread, to the outer end of spindle or other appropriate location loaded pulse generator; Lathe will be transformed into Tailstock manually controlled electric Tailstock.

本设计利用数控装置对CA6140普通车床进行控制，主传动系统部分采用交流调频主轴电动机经带轮及分级齿轮变速箱驱动主轴，通过变频器和齿轮变速箱实现分段无级变速；进给系统采用步进电机通过减速后驱动滚珠丝杠运动，在纵向进给系统中通过一级齿轮减速后驱动滚珠丝杠，在横向进给系统中通过二级齿轮减速驱动滚珠丝杠；刀架改为自动转位刀架从而实现自动换刀；通过MCS-51系列8051单片机对数据进行计算处理，由I/O接口输出步进脉冲信号控制进给速度和行程；为了保持切削螺纹的功能，要在主轴外端或其它适当部位装上脉冲发生器；将车床的手动尾座改造成为可控电动尾座。

The design of the device using NC Lathe CA6240 control, part of the main transmission system using AC spindle motor and graded by the pulley driven spindle gearbox, through the inverter and gearbox to achieve sub; Feed System used by stepper motor driven ball screw slowdown after campaign vertical feed system through a gear after the ball screw drive, in the horizontal feed system through two gear-driven ball screw; Tool to automatically transfer tool carrier (4-position), thus achieving automatic tool change; by MCS-51 series 8051 data to be dealt with.

本设计利用数控装置对CA6240普通车床进行控制，主传动系统部分采用交流调频主轴电动机经带轮及分级齿轮变速箱驱动主轴，通过变频器和齿轮变速箱实现分段无级变速；进给系统采用步进电机通过减速后驱动滚珠丝杠运动，在纵向进给系统中通过一级齿轮减速后驱动滚珠丝杠，在横向进给系统中通过二级齿轮减速驱动滚珠丝杠；刀架改为自动转位刀架从而实现自动换刀；通过MCS-51系列8051单片机对数据进行计算处理，由I/O接口输出步进脉冲信号控制进给速度和行程；为了保持切削螺纹的功能，要在主轴外端或其它适当部位装上脉冲发生器；将车床的手动尾座改造成为可控电动尾座。

The men's volleyball quarter finals , 2nd round of women's table tennis singles , men's basketball quarterfinals and synchronized swimming finals will be hightlights of the day , The Chinese team is going for gold in the women's sailing and the women's taekwondo 49kg events.

值得关注的比赛包括男排1/4决赛、乒乓球女单第二轮、男篮1/4决赛以及花样游泳决赛。中国队有望在女子帆板和跆拳道女子49 公斤级项目中冲击金牌。

First of all, the dynamic characteristic of teeth is analyzed, then the dynamic model is established for single-stage gear transmission system.

分析了齿轮轮齿的动态特性，建立了单级齿轮传动系统振动的动力学模型，提出了理论渐开。。。

The entry-level version features the 85 hp 1.4 and 90 hp 1.9 TDI engines on the SEAT Altea and only the 90 hp 1.9 TDI on the SEAT Altea XL, with elements such as ABS and TCS, ESP with EBA, driver and passenger airbag, side airbags, head airbag, rear Isofix anchoring points, front power one-touch anti-trap windows, remote controlled central locking, tinted glass, 15 inch steel rims, 195/65 tyres, double headlights, anti-theft roof aerial, sliding rear seats, storage compartments on the sides of the front and rear seats, central console storage compartment, storage hooks on the boot sides and rear parcel shelf with storage compartments, among others.

在入门级版本采用了85马力的1.4和90马力1.9 TDI发动机在座位上阿尔特亚只有90马力的座位上阿尔特亚加大码1.9 TDI发动机，与如ABS和TCS，ESP可分子，埃巴驾驶员和乘客安全气囊，侧安全气囊，头部安全气囊，后排ISOFIX束锚固点，前面的电源一触式防夹车窗，遥控中央锁，有色玻璃，15英寸轮辋钢，65分之195轮胎，双大灯，防盗屋顶空中，滑动后座位，对前后座椅两侧的储物箱，中央控制台储物间，储存挂钩开机双方和储物箱，包裹等后方货架。

The production company Planet cone-CVT and the worm, a worm reducer series aluminum alloy shell, good looks, light weight and will never rust, widely used in light industry, chemicals, ceramics, food and beverage, packaging, The pharmaceutical industry and the various requirements of the need to speed automatic production lines, transmission lines, the Company UDL, NMRV speed reduction campaign, rational design, excellent performance, quality, stable and reliable, NMRV some specifications, and other Southeast Asian countries have been exported by the user The praise and trust.

公司生产的行星锥盘无级变速器及蜗轮，蜗杆减速机系列采用铝合金外壳，外型美观，重量轻，永不生锈，广泛应用于轻工，化工，陶瓷，食品，饮料，包装，制药等行业和各种需调速要求的生产自动线，输送线等，本公司UDL，NMRV减变速系列，设计合理，性能优良，质量稳定可靠，NMRV部分规格已出口东南亚等国家，受到了用户的好评与信赖。

This article analyzes the working theory and the working forces of the drive wheel, pyramid wheel and outer ring during the transmission process. It also deduces the practical calculation formula of the pyramid wheel type variable speed drives, it also goes on the material calculation aim at the selection parameter. It protracts the assemble-drawing of the pyramid wheel type variable speed drives and the accessory-drawing of the mostly drive component. So it can express more clearly of the structure and process planning of the variable speed drives.

本文分析了在传动过程中变速器的主动轮、菱锥、和外环的工作原理和受力关系；详细推导了实用的菱锥锥轮式无级变速器设计的计算公式；并针对设计所选择的参数进行了具体的设计计算；绘制了所计算的菱锥锥轮式无级变速器的装配图和主要传动元件的零件图，将此变速器的结构和工艺等方面的要求表达得更为清楚。

Differences between the GLK's 'Direct Control Chassis' and the C-Class chassis will include longer spring travels, higher wheel loads and larger wheels.

GLK级车&直接控制底盘&和C级车底盘的区别包括弹簧行程更长，更高的车轮载重量和更大的轮圈。

The economy and performance characteristics of LIYANG car equipped with CVT and MT are studied respectively and compared. 3Based on experimental analysis, the relation among the speed ratio changing rate, oil pressure of driving and driven pulley cylinders, driving pulley input speed and torque, metal belt speed ratio has been studied. Model for getting the ratio changing rate is put forward, and practical equation giving the ratio changing rate is obtained by experiments.

对装有CVT和装有MT的羚羊轿车的经济性和动力性进行了计算和比较分析。3）通过实验分析，研究了主、从动轮油缸压力、主动轮转速、输入转矩和带式无级变速传动速比与速比变化率的关系，建立了获取CVT速比变化率的模型，导出了符合实际规律的实用计算公式。4）应用键合图理论，建立了金属带式无级变速汽车传动系的键合图模型，推导了系统的状态方程。

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