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(1) The power is turned on. It is necessary to check whether the electric meters are normal, whether the barometer is normal, and whether the oil-water meter is normal. If there is no problem, press the POWERON button to turn on the power. After a few seconds, the machine self-checks and the CRT displays the coordinates. If an alarm message appears, analyze and eliminate it by yourself first. If it cannot be solved, report it to the superior immediately for professional handling. If normal, proceed to the next operation.
(2) The machine tool returns to the reference zero point, manually or automatically, in order to make the machine tool run normally.
(3) Analyze the NC program sheet and compare the programming graphics to understand the overall tool movement, tool setting mode and clamping mode; prepare tools, measuring tools and fixtures; clamp the workpiece on the machine tool as required.
(4) The workpiece is centered and corrected, and the mechanical value of the zero point of the workpiece coordinate system is input into the G54, G55 and other memories.
(5) Install the tool to set the tool, and input the length compensation value to the H value.
(6) Copy the NC program and modify the head and tail of the program according to the existing tool number and compensation number.
(7) Turn on high-pressure air blowing.
(8) In the DNC state, the NC program is transmitted through the DNC network.
(9) At the beginning, feed the tool slowly, wait for the tool to cut into the workpiece, and adjust the feedrate override switch to the normal speed when the cutting is stable and normal. Adjust the speed switch to make the sound loud and smooth cutting. Determine the appropriate speed S and feed F according to the requirements, so that the cutting volume per blade can meet the requirements of reasonable and efficient.
(10) If processing steel parts, pay close attention to the degree of wear of the blade when roughing, and adjust or replace in time if there is a problem.
(11) To have an understanding of the machine tool accuracy, tool rotation accuracy and machining error you are using, and to communicate closely with the programmer, so that there is enough margin for the light knife.
(12) After the machining is completed, the measurement should be performed on the machine tool against the programmed graphics. If it is unqualified, analyze the reason. It is necessary to reprogram by adjusting the programming margin or adjust the compensation number and then process until it is qualified. Remove it after passing the test. Clean the machine and prepare to process the next one.
