折弯机是一种能够对薄板进行折弯的机器，其结构主要包括支架、工作台和夹紧板，工作台置于支架上，工作台由底座和压板构成，底座通过铰链与夹紧板相连，底座由座壳、线圈和盖板组成，线圈置于座壳的凹陷内，凹陷顶部覆有盖板。使用时由导线对线圈通电，通电后对压板产生引力，从而实现对压板和底座之间薄板的夹持。由于采用了电磁力夹持，使得压板可以做成多种工件要求，而且可对有侧壁的工件进行加工，操作上也十分简便.
Bending machine is a machine capable of bending of thin plate, the structure mainly comprises a bracket, table and the clamping plate, the worktable is arranged on the supporting table, which comprises a base and a pressing plate, a hinge is connected with the clamping plate through the base by a shell, a coil and a cover plate, the hollow coil in a shell sag, top cover. When the wire is used, the coil is electrified by the conducting wire, and the pressure plate is generated by the electric power, so that the clamping between the clamp plate and the base plate is realized. Due to the adoption of the electromagnetic force clamping, the pressure plate can be made into a plurality of work pieces, and the workpiece can be processed on the side wall, and the operation is also very convenient.
液压折弯机包括支架、工作台和夹紧板，工作台置于支架上，工作台由底座和压板构成，底座通过铰链与夹紧板相连，底座由座壳、线圈和盖板组成，线圈置于座壳的凹陷内，凹陷顶部覆有盖板。
Hydraulic bending machine comprises a bracket, table and the clamping plate, the worktable is arranged on the supporting table, which comprises a base and a pressing plate, a hinge is connected with the clamping plate through the base by a shell, a coil and a cover plate, the coil is arranged in a hollow seat shell, hollow top cover.
使用时由导线对线圈通电，通电后对压板产生引力，从而实现对压板和底座之间薄板的夹持。由于采用了电磁力夹持，使得压板可以做成多种工件要求，而且可对有侧壁的工件进行加工。折弯机可以通过更换折弯机模具，从而满足各种工件的需求。
When the wire is used, the coil is electrified by the conducting wire, and the pressure plate is generated by the electric power, so that the clamping between the clamp plate and the base plate is realized. Due to the adoption of the electromagnetic force clamping, the pressure plate can be made into a plurality of work pieces, and the workpiece can be processed on the side wall. Bending machine can replace the bending machine die, so as to meet the needs of various workpiece.
一、液压折弯机的作业原理
First, the operating principle of hydraulic bending machine
广泛习气用于石化造船、压力容器、机械制造等作业。
Widely used in petrochemical shipbuilding, pressure vessels, machinery manufacturing and other operations.
液压折弯机上辊在两下辊中心对称方位通过液压缸内的液压油作用于活塞作垂直升降运动，通过主减速机的末级齿轮股动两下辊齿轮啮协作旋转运动，为卷制板材供应扭矩。凭仗上辊的下压及下辊的旋转运动，使金属板通过多道次连续弯曲，发生永久性的塑性变形，卷制成所需要的园筒、锥筒或它们的一有些。该液压式三辊液压折弯机缺点是板材端部需凭仗其它设备进行预弯。
Hydraulic bending machine roller in two roller symmetrical position by the action of hydraulic oil in the hydraulic cylinder piston moves vertically through the main reducer gear two and final stock cooperative gear meshing rotary motion for coiled sheet supply torque. Rotary motion under pressure and the lower roller with the upper roller, the metal plate through successive bending, plastic deformation permanent, rolled into the required cylinder, cone or one of their some. The hydraulic type three roller hydraulic bending machine is required with end plate defects of other equipment pre bending.
二、液压折弯机的缺点打扫
Two, the shortcomings of hydraulic bending machine cleaning
1、接口信号检查：通过用可编程序液压折弯机控制器检查机床控制系统的接口信号，并与接口手册的正确信号相对比，亦可查出相应的缺点点。
1, interface signal inspection: by using programmable hydraulic press brake controller to check the interface signal of the machine tool control system, and with the correct signal of the interface manual comparison, can also find the corresponding points.
2、仪器测量：当液压折弯机系统发生缺点后，选用常规液压折弯机电工检测仪器，东西，按系统电路图及机床电路图对缺点有些的电压，电源，脉冲信号等进行实测分辨缺点地址。如电源的输入电压超限，招致电源监控可用电压表测网络电压，或用电压测试仪实时监控以打扫其它缘由。如发生液压折弯机方位控制环缺点可用示波器。
2, measuring instrument: when fault occurs bending machine hydraulic system, the conventional hydraulic bending machine, electrical testing instruments, things, according to the system circuit diagram and circuit diagram of some of the shortcomings of the machine voltage, power supply, pulse signal was measured and the defect of address resolution. The input voltage of the power supply exceeds the limit, which causes the power to monitor the available voltage of the voltage meter to measure the network voltage, or to monitor the real-time monitoring with the voltage tester for other reasons. In the case of hydraulic bending machine azimuth control ring shortcomings available oscilloscope.
3、用可编程控制器进行PLC间断情况分析：可编程序控制器发生缺点时，其间断缘由以间断库房的办法回想。运用液压折弯机编程器可以在系统间断情况下，调出间断库房和块库房，按其所指示的缘由，查明缺点地址。
3, with the programmable controller for PLC interruption analysis: programmable logic controller has shortcomings, during which the reason to break the warehouse of the way to recall. The use of hydraulic bending machine in the system under the condition of discontinuous programmer, out of warehouse and warehouse according to the discontinuous blocks, indicating the reasons for the shortcomings, find out.
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