查询词典 gear change

Fan gear mainly by the box, planetary gear speed change mechanism, and so on.

风机的变速箱主要由箱体、行星轮系和变速机构等构成。

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。

Main applicability: Welding of the miamond knife head, the carbide alloy saw bit , machine work use carbide alloy cutter welding, if the cutting tool welding such as miamond cutter , drilling tool , lathe tool , shaper tool , milling cutter , broach; Standard piece , hot bolt rammer, if high-strength bolt , nut etc.; Hardware implement , handwork implement heat treatment, if tongs , spanner , whorl utensil , hammer , axe; The accessory high frequency quenching sells the various automobile accessory , motorcycle at reduced prices, such as: Crank shaft , connecting rod , wrist pin , crank pin , sprocket , axial cam , air valve , various rocker arm , rockshaft; Within speed change box, the various gear wheel , castellated shaft , biography prop up high frequency quenching treatment such as half axes , various small axis , various shift fork; The part heat treatment , the high frequency quenching that the gear wheel , sprocket , various axis , castellated shaft , pin wait for if various handle metal; Mssingle of face slide way quenching sells machine tool industry machine at reduced prices waiting.

主要适用范围：金刚石刀头的焊接，硬质合金锯片、机械加工用硬质合金刀具的焊接，如金刚石刀具、钻具、车刀、刨刀、铣刀、铰刀等刃具的焊接；标准件、螺栓的热镦，如高强度螺栓、螺帽等；五金工具、手工工具的热处理，如钳子、扳手、旋具、锤子、斧头；各种汽车配件、摩托车配件的高频淬火处理，如：曲轴、连杆、活塞销、曲柄销、链轮、凸轮轴、气门、各种摇臂、摇臂轴；变速箱内各种齿轮、花键轴、传支半轴、各种小轴、各种拨叉等高频淬火的处理；金属零件的热处理，如各种齿轮、链轮、各种轴、花键轴、销等的高频淬火处理；机床行业的机床床面导轨的淬火处理等。

Design of the CPA Stable union of base plate and intermediate plates with integral rams inserted centrically into each other Strong and rigid connection of the linear position measuring system with all ram systems Every ram system equipped with main hydraulic ports Every ram system equipped with additional hydraulic ports for movements outside the press Mechanical-hydraulic quick-clamping device Adapter travelling gear for rail-bound transport Complete adapter changing system Advantages Good accessibility for tool changeover Quick and simple adapter change with hydraulic quick-couplers and electric travel gear High compacting forces in both directions Short setup times Automatic centering and clamping of the adapter relative to the machine axis Tool presetting outside the press possible High guiding accuracy

设计的注册会计师安定联盟的底板和中间板块与积分公羊插入centrically到对方强大和刚性连接的线性位置测量系统与所有的RAM系统每一个内存系统配备的主要液压港口每一个内存系统配备额外的液压港口动作外新闻机械式液压快夹紧装置适配器行驶齿轮为铁路运输的约束完成适配器变换系统优势良好的无障碍环境，为工具换届快速简单的适配器改变与液压快车钩及电动旅行齿轮高压实势力在两个方向短期调整时间自动定心夹紧的适配器相对机床主轴刀具预调外新闻可能高指导的准确性

Neutral document is produced in the ANSYS software which has been applied to the ADAMS environment; the application of neutral document realized the hard and soft coupling kinematics analysis of link motion gear, the rule that when the link motion gear comes to the limiting position, movement will be change suddenly has been confirmed.

在ANSYS软件环境中生成了可应用于ADAMS的中性文件，应用中性文件实现了连杆机构的刚柔耦合运动学分析，验证了连杆机构在极限位置时，运动发生突变的规律。

Modern lathes have a quick-change gear box. The input end of this gear box ix driven from the lathe spindle by means of suitable gearing.

现代车床有一个变速齿轮箱，齿轮箱的输入端由车床主轴通过合适的齿轮传动来驱动。

Firstly,using the method of concentrate mass this paper establish a non-linear dynamics model of a two-stage gear train with backlashe between the gear pair,and through analysed the dynamics model,the torsional motion differential equations are got , on this basis,then calculate the torsional motion differential equations using Runge—Kutta method ,and discuss how to influence the dynamics characteristic of system when these parameters chage such as mesh frequentcies、 stiffness of the intermediate shaft、the ration of mesh frequentcies.and discuss when the chaos will happen under the change of these parameters.

首先用集中质量法建立系统的含间隙的非线性动力学模型，并根据牛顿力学定理，得到系统的运动微分方程。然后对所建立的运动微分方程运用四阶变步长Runge—Kutta方法进行了求解，并对计算结果进行分析，研究了齿轮啮合频率、中间联接轴的刚度，一、二级齿轮的啮合频率比等参数变化时，对系统非线性动力学特性的影响规律，并讨论了当参数如何变化时会导致系统的混沌响应的出现。

The coupling could make the washing machine change the work state between washing mode and dehydrating mode. Synchromesh gear that is located on the flange section and connection gear that is located at the external circle surface of the down side of the flange section is formed on coupling. The compression spring is installed on the top of the coupling and effects to the coupling to make it always moving downward. The feature is diameter of the terminal section of the compression spring is smaller that of the compression spring installation groove on the flange of the coupling.

其包括联轴器和压缩弹簧，联轴器可使洗衣机在洗涤模式和脱水模式间转换，其上形成有同步齿轮和连接齿轮，同步齿轮位于凸缘部上并在与联轴器限制件的齿轮相啮合时能使洗衣机进行洗涤；连接齿轮位于凸缘部下侧的外圆周面上并在与外连接器上的齿轮相啮合时能使洗衣机进行脱水；压缩弹簧安装在联轴器的上端并作用于联轴器，使其始终向下移动，其特征在于：所述的压缩弹簧的终端部直径较联轴器凸缘部上的压缩弹簧安装槽直径小。

On the basis of the mathematics model of contrate harmonic gear drive, the change law of meshing backlash of contrate harmonic gear was analyzed by meshing analysis software.

据板壳理论采用高度变位对刚轮和柔轮进行变位，在端面谐波齿轮传动数学模型基础上，用啮合分析软件分析端面谐波齿轮啮合侧隙的变化规律。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。