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Seven key points that need to be kept in mind to improve the quality of CNC machining

by:QY Precision      2020-03-09
Seven key points that need to be kept in mind to improve the quality of CNC machining _ we all know that to do precision CNC machining, to do the best product processing, we must ensure its quality and service. Only when quality/service is in place can you survive and grow from this industry, but Dongguan Huili hardware company has done it. So about the improvement of CNC machining quality, let's take a look at how Dongguan Huili Hardware Co. , Ltd. understands it? First of all, we plan it into the following seven main points: the first point: reasonable use of CNC machining tools. The polished knives for processing steel and copper should be strictly distinguished and used, and the allowance of the polished knives should be reasonable, so that the smoothness of the workpiece and the service life of the knives will be better. The second point: before CNC machining, check whether the tool swings within the allowable tolerance range, and blow the tool head and lock nozzle with an air gun or wipe it with a cloth before loading the tool, too dirty has a certain impact on the accuracy and quality of the workpiece. The third point: When clamping, pay attention to see if the name and model of the CNC machining workpiece and the program list are the same, whether the material size matches, whether the clamping height is high enough, and the number of calipers. The fourth point: the program list of CNC machining should be consistent with the direction of the reference angle indicated by the mold, and then check whether the 3D map is correct, especially the workpiece that has already drilled the water, be sure to see if the 3D drawing is consistent with the workpiece water on it. If there is any ambiguity, please feedback the programmer or find the fitter to check the 2D drawing to see if the 2D and 3D reference angles are consistent. The fifth point: the program list of CNC machining files should be normalized, including mold number, name, program name, processing content, tool size, feed amount, especially tool clamping safety length, reserved allowance for each program, and smooth knife, it should be clearly indicated, the place where the R plane and the plane should be connected should be indicated on the program list, and the operator should increase 0 during processing. 02 ~ 0. 05MM first processing, after a few knives, stop to see if it is connected, touch it with your hand to see if it is up, if it is not smooth, then drop it. The sixth point: before processing, you should now understand the contents of the CNC machining program list. The program list must have 2D or 3D drawings and be marked'X length, Y width, Z height' Hexagonal data, where there is a plane to mark'Z' Numerical value, it is convenient for the operator to check whether the data is correct after processing, and the tolerance data should be indicated if there is tolerance. The seventh point: the machine tool processing speed operator should be strictly controlled, the F speed and the S spindle speed should be reasonably adjusted to each other, and the F speed should be accelerated relative to the S spindle, in different areas, the feeding speed should be adjusted. After processing, check the quality before you can get off the machine, to achieve a perfect processing. Based on the description of the above seven key points, I hope we can improve the quality of our products and do a good job in the service of our products in CNC machining.
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