往复

The crank and connecting rod mechanism, the cam mechanism and the eccentric wheel mechanism are used to transform the continuous movements into the reciprocal movements, yet these mechanisms have no constant transmission ratio and there exist rather large impact force while operating at high speed.

曲柄连杆机构、凸轮机构和偏心轮机构常用来将连续运动转化为往复运动，但这些机构没有恒定的传动比，高速运转时存在较大的冲击力。

The slowdown can be used not only for reciprocating grate chain grate and also can be used for metallurgical, mining, lifting, petrochemicals, light industry, food reserves, and other machinery industry, I would like to wholeheartedly with the plant industry manufacturers and friends of all circles to establish supply and demand relations, Side by side for a better future.

该减速机不仅可用链条炉排和往复炉排还可以用于冶金、矿山、起重、石油化工、轻工、粮食储备等机械行业，我厂愿竭诚与各行业厂家和各界朋友建立供需关系，并肩共创美好的未来。

I coal-fired plant for the production of industrial furnaces, the level of reciprocating grate, grate chain, gas stoves, for use in metallurgy, mining, electrical and mechanical , Chemicals, light industry, building materials industries such as steel rolling furnace, forging furnace, annealing furnace, drying furnace, continuous furnace,.

我厂生产工业炉窑燃煤机，水平往复炉排，链条炉排，煤气发生炉，使用于冶金，矿山，机电，化工，轻工，建材等行业的轧钢炉，锻造炉，退火炉，干燥炉，连续加热炉，。

A circle shear device for cutting holes in sheet metal as in claim 13 wherein said upper center shaft is vertically reciprocated between a first upward rest position and a second lowered operating position wherein: a said first upward position raises said first upper cutter wheel a sufficient distance to permit the unobstructed exchange of additional provided metal sheet through said cutting jaw; and b said vertical reciprocation means includes an pneumatic air cylinder.

削减的孔一个圆盘剪设备在金属板在要求13，说的上部中轴垂直被交换在第一个向上静止位置和第二个被降下的工作位置之间，： a首先说的向上位置培养说的第一个上部切削刀轮子一个充足的距离通过说的切开的下颌允许另外的提供的金属板通畅的交换；并且 b说的垂直的往复手段包括一个气动力学的空气圆筒。

Leading products are: ZSG series efficient heavy screen, GQMS high rate of powerful special screening of coal, such as thick oval Shaker, YA type YK-round vibration sieve, SZR series of thermal mineral shaker, MZS series of pulverized coal shaker, ZWS vibration Network Screen, K-type reciprocating to the coal machine, ZFB series of anti-blocking, DKS granular urea screening machines, ZG series motor vibrating feeder, GZD electromagnetic vibrating feeder, the feeder disk, LS, GX-screw conveyor, PL, D-type bucket elevator, DJ, JB-steep, vertical belt with corrugated wall machines, mobile ZP-belt conveyor, Gechongfeibiao structural design and fabrication.

主导产品有：ZSG系列高效重型筛、GQMS高幅强力煤炭专用筛、椭圆等厚振动筛、YA型、YK型圆振筛、SZR系列热矿振动筛、MZS系列煤粉振动筛、ZWS振网筛、K型往复给煤机、ZFB系列防闭塞、DKS大颗粒尿素筛分机、ZG系列电机振动给料机、GZD电磁振动给料机、圆盘给料机、LS、GX型螺旋输送机、PL、D型斗式提升机、DJ、JB型大倾角、垂直波状挡边皮带机、ZP型移动式胶带输送机、各种非标结构件的设计及制造。业务覆盖全国各地，远销国外。

Leading products are: ZSG series efficient heavy screen, GQMS high rate of powerful special screening of coal, such as thick oval Shaker, YA type YK-round vibration sieve, SZR series of thermal mineral shaker, MZS series of pulverized coal shaker, ZWS vibration Network Screen, K-type reciprocating to the coal machine, ZFB series of anti-blocking, DKS granular urea screening machines, ZG series motor vibrating feeder, GZD electromagnetic vibrating feeder, the feeder disk, LS, GX-screw conveyor, PL, D-type bucket elevator, DJ, JB-steep, vertical belt with corrugated wall machines, mobile ZP-belt conveyor, Gechongfeibiao structural design and fabrication.

主导产品有：ZSG系列高效重型筛、GQMS高幅强力煤炭专用筛、椭圆等厚振动筛、YA型、YK型圆振筛、SZR系列热矿振动筛、MZS系列煤粉振动筛、ZWS振网筛、K型往复给煤机、ZFB系列防闭塞、DKS大颗粒尿素筛分机、ZG系列电机振动给料机、GZD电磁振动给料机、圆盘给料机、LS、GX型螺旋输送机、PL、D型斗式提升机、DJ、JB型大倾角、垂直波状挡边皮带机、ZP型移动式胶带输送机、各种非标结构件的设计及制造。

Rehabilitation of seals is also available in a more unique properties: the injury did not wear face, we have developed a hydraulic reciprocating seal products: grid to circle, Lancaster letters, high-pressure rotating closures, dust-tetrafluoroethane Yixi laps, orientation Support Central, Central-oriented positioning, direction and fluoride with flexible rubber seal; combination of letters: TD, KD, GD, DAS, V-type, and so on.

我们开发的液压往复密封产品有：格来圈、斯特封、高压旋转封、聚四氟乙稀防尘圈、导向支撑环、导向定位环、导向带及氟橡胶密封弹性体；组合封：TD、KD、GD、DAS、V型等。

The article stated a number of issues which should be solved by commercial low-temperature Air-source heat pump,such as heat pump cycle of screw compressor with economizer, Two-stage screw compression system,double stage coupling heat pump,cascade refrigeration system.

文章阐明了带经济器的螺杆压缩机系统、双级往复压缩系统、双系统中间水路耦合系统、复叠式系统等商用低温空气源热泵系统需要解决的一些问题，对于更好地促进这空气源热泵技术的发展具有积极的意义。

Sweep gold machine and the adoption of four special arrangements for mutual funds, turned to the contrary between the reciprocating motion, and two with qiangli on the aliquation pipeline, together with the subsequent adsorption multi-road ultravacuum sweeplng and circulatory system, this can be a clean rapidly Qing prunean powder on paper, not recreate the leak.

扫金机又采用四根特殊揩金带，进行相互之间转向相反的往复运动，并且后面两根带有强力吸气管道，再加上后面的高真空吸附多路清扫循环系统，国此可干净迅速地扫清纸张上多余的金粉，没有金粉泄漏。

Keyword: crank press, crank slide block, the equipment of forging and stamping

电动机通过三角皮带把运动传给大皮带轮，再经过两级齿轮减速后把运动传给偏心齿轮，连杆的上端装在凸轮上，下端与滑块连接，这样通过连杆把偏心齿轮的旋转运动变为滑块的上下直线往复运动。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。