电机机械

According to the machine apparatus and work capability of the three-fingered dexterous hand, The hardware circuit of the control system with 89C51 singlechip has been designed,which include the circuit of collection signals and the drive circuit of DC-motor, the circuit deal with signals of Force Sensing Resistors ,the communication interface circuit and so on.

依据三指灵巧手机械本体和工作性能，本文设计了基于89C51单片机的控制系统硬件电路，其中包括信号采集电路、电机驱动电路、力传感器的信号处理电路、通讯电路等。

Characters. Start-up system: depend on 3-5 pole motor driving, electron control speed, full automatic transmission device, electrcity source place conbine with high precise density steel star gear, include automatic suited machinery safty device.

启动系统：依靠3～5极电机驱动，电子控制速度，全自动传动装置，电源档位和高精密度的钢星齿轮相结合，包含自动匹配的机械安全设施。

Produced by compression springs, Extension Spring, torsion spring,¨, battery spring, spring roll cochlea, square flat steel spring, steel spring, electrical switch springs, special-shaped springs, clockwork springs, valve spring, a snake-type spring, craft spring a variety of precision springs range from 0.15 ~ 8mm diameter, widely used in electronics, computer, hardware, electrical, electronics, machinery, tools, toys, locks, and automobile industries, by the vast numbers of clients of all ages.

生产的压缩弹簧、拉簧、扭簧、卡簧、电池簧、蜗卷弹簧、方扁钢弹簧、钢片弹簧、电器开关弹簧、异型弹簧、发条弹簧、气门弹簧、蛇型弹簧、工艺弹簧等各种精密弹簧线径0.15~8mm不等，广泛适用于电子、电脑、五金、电机、电器、机械、工具、玩具、锁具、汽车等行业，深受广大客户的青睐。

The actual content includes:Ventilates the way the choice,the gross structure plan determination,the axis design and the examination computation,impeller''s design examines and examines the computation,guide vane''s design calculation,sparse class cover,diffuser and current collector design and choice,shell''s des ign,ventilator muffler design,electrical mac你好nery''s choice and fixed way design,components and so on shaft coupling,key and flange shaping examinations.

本次设计的内容是对JBT62轴流式透风机总体方案以及透风机总体结构设计，机械传动部分设计，对轴流风机工作原理，主要工况参数的意义的掌握。具体内容包孕：透风体式格局的选择，总体结构方案的确定，轴的设计以及校核计算，叶轮的设计以及校核计算，导叶的设计计算，疏流罩、扩散器以及集流器的设计以及选择，壳体的设计，透风机消声装置的设计，电机的选择以及固定体式格局的设计，联轴器、键以及法兰等零件的选型校核。

A stepper motor is taken as driver gear and a screw-driven device as running gear in the gun to realize the stud action procedure requested by arc stud welding

焊枪的机械结构部分以步进电机为动力机构，以螺旋传动装置为运动机构主体，实现了电弧螺柱焊所需的螺柱运动过程

In the part of mechanical design, The output shaft of stepping motor connects ball screw with coupling joint, and enables worktable auto-reciprocating under the support of linear rack.

关于机械设计部分，电机输出轴经过联轴器连接滚珠丝杠带动工作台运动，工作台在直线导轨的支撑下做直线往复运动。

Mounted coupling: first in the motor shaft mounted on the head ring, mounted on coupling half, and then in the shaft coupling client and loaded block chute and Plum wrench tightening bolts (lifting shaft 3 ~ 5 mm and to provide mechanical seal prestressed); and then loaded up the other half on the coupling screw Hexagon screw must be tightened.

装联轴器：先在电机轴头上装上挡圈，装上一半联轴器，再在泵轴端和联轴器槽内装上挡块并用梅花扳手拧紧螺栓（吊起泵轴3~5毫米并提供机械密封预应力）；再装上另一半联轴器拧上内六角螺钉必须拧紧。

Mounted coupling: first in the motor shaft fitted with ring head, fitted with coupling half, and then end in the shaft and the coupling block bed fitted with Plum wrench tightening bolts (lifting shaft 3 ~ 5 mm and pre-stressed mechanical seal); and then loaded onto the other half of the coupling screw Hexagon screw must be tightened.

装联轴器：先在电机轴头上装上挡圈，装上一半联轴器，再在泵轴端和联轴器槽内装上挡块并用梅花扳手拧紧螺栓（吊起泵轴3~5毫米并提供机械密封预应力）；再装上另一半联轴器拧上内六角螺钉必须拧紧。

Put forward permanent magnetic synchronous servo system replaces induction motor and mechanical cam so as to realize digital winding in ring spinning machine.

摘 要：提出利用永磁同步电动机伺服系统取代异步电机和机械凸轮，实现细纱机的数字卷绕方案。

According to import science expert and economic technology cooperation, the company produces international advanced level products. Their products widely used for space flight, navigate, train, automobile, electric power, air conditioner, paper maker machinery and textile industry to perform more advanced equipment.

本企业吸取国内国际技术所长，进行经济合作和技术交流，通过引进科技人才，充实企业高科技的开发能力和科学管理办法，使企业的素质进一步的提高，从而实现产品的升级换代，生产出具有国际先进水平的产品，填补了国内的空白，为国家航天、航海、火车、汽车、电机、风机、空调、造纸机械、轻纺等行业提供更先进、更精良的装备，同时利用质量和价格上的优势，逐步扩大出口。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。