SUPERNOVA CNC plate drilling machine has subverted the traditional processing mode for hole processing in chemical industry. It is now the main CNC drilling machine for processing chemical flange, heat exchanger, tubesheet, etc. Before using the traditional hole processing method, first fitter scribed positioning, and then fixed the well positioned tubesheet on the bench vice, and then drilled with a radial drilling machine. For large hole diameter, even through two procedures of drilling and reaming. Compared with the traditional hole processing method, the advantages of NC plate drilling machine are as follows:

（1） Numerical control plate drilling machine eliminates the manual marking steps. The traditional positioning method of hole processing is mainly that the technical workers mark the designated position according to the requirements of the drawing, and punch the positioning hole with hand electric drill or magnetic drill, which has large error and low efficiency. In order to drill holes on the NC plate drilling machine, it is only necessary to input the required parameters such as the position and number of holes into the computer, or input the correct CAD design drawing, and use the photoelectric edge finder device to find three points on the workpiece at random, which can realize the automatic continuous processing of large aperture of drilling power head. The operation is very convenient, the accuracy is high and stable.

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