Letter express the application of PLC in the grinding machine

Overview of XC series programmable controller and XC - GRM instrument module on grinding machine industry, high control precision of + / - 1 um instrument module test after special processing of measurement data Shaking resistance, temperature compensation, etc. ) The data transmitted to the PLC to control, to ensure the control accuracy of the system. 2, wide measurement range to 1000 um, can undertake broad circumference operation in the case of no need to debug again, can grinding allowance 1 ~ 5 um artifacts of repair, can also grinding 800 ~ 900 um allowance artifacts. Even if the size difference is very big, still can realize fast into the function. 3, the operation simple and friendly interface, reduce the difficulty of the equipment debugging directly for grinding process parameters set by the touch screen, and does not need complex debugging process. Even if the usage meter processing production in the form of operators need to operate in accordance with the order of the screen prompts again can finish the adjustment of the equipment. 4, pulse output frequency up to 400 KHZ high frequency output of the controller supports from 1 hz to 400 KHZ ultra wide range, as a result, stepping motor and servo motor, can be convenient to control. 5, save measuring instrument, the realization of digital and intelligent control will have direct access to XC - measuring jaw signal GRM grinder dedicated instrument module, PLC measuring jaw measurement directly read data, save the cost of users, simplifies the debugging process, and improve the grinding precision of the workpiece. Makes the integration of the system is greatly improved. 6, digital implementation artifacts diameter measurement, achieve precise value function module through the instrument quickly hasten workpiece diameter directly read data. After blank feeding, need to directly measure the billet grinding capacity, and then calculated the workpiece fast is needed for fast feeding, to achieve the goal of fast towards the end begins to grinder piece, thereby greatly improving the production efficiency. 7, instrument control mode of the workpiece automatically to operators through the screen buttons on the knife, PLC control step ( Servo) The motor at low speed feeding, in the process of knife automatically record the change of the meter reading, so as to automatically calculate the optimized process parameters. 8, support continuous multistage stepper control by PLSR pulse output instructions, grinding machine control need four feed section of 'fast, black, coarse grinding, fine grinding' can be completed, a continuous without pause in the middle. Period of more than 9, step and jump function through PLSNEXT instructions, can be in more step in the process of sending through external conditions ( And before this pulse after) Go directly to the next step. This function can be used for instrument control. 10, important process parameters can be saved in FD0 FlashRom memory ~ FD2047 flash data area. Even in the case of a PLC controller battery runs out, the system can still retain parameter data. Basic configuration: 1, PLC ontology used in the grinding machine logic control, the input part of its protection signal used to receive the button, trip switch, such as the input signal, the output part is used to control the step ( Servo) Motor, electromagnetic valve, electromagnetic chuck claw actuating, test, etc. Extension: 2, instrument measuring jaw line extension, access to the instrument to expand the signal input into the range of 0 ~ 6500 data, and by extension interface to transmit data to the PLC controller ontology; The output voltage of the module and control measuring jaw 'open/contraction' action. 3, input point spread: certain types of grinder ( Such as 203, etc. ) There may be input points is not enough, can increase 16 input through the extension point. 4, man-machine interface ( Touch screen) Interface: equipment operation personnel and equipment. Through its image, operators can understand the current running state of machine and feeding, the amount of compensation, the diameter of the ring current and so on. Equipment process parameters, such as fast quantity, amount of coarse grinding, feed rate, coarse grinding allowance and fine grinding allowance, blank range, etc. , also by PLC man-machine interface input ontology. In addition, the fault diagnosis of equipment is also shown by the touch screen interface. In the instrument control, zero adjustment of measuring jaw, coarse grinding, fine grinding and to signal adjustment, also through the man-machine interface. Three, wiring, for example, In 208 c internal grinder, for example)
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