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NC is the basic technology of advanced manufacturing technology. NC show in the modern production of a lot of advantages.
for modern manufacturing, numerical control machine tool is perfect for those of complex shape, precision and batch small parts. And an ordinary machine tools simply can not meet this requirement. Even the copying machine and the machine tool can not solve the high accuracy and small quantities of this conflict. Therefore, very suitable for CNC machining aviation, aerospace, electric power, transportation, and electronics parts manufacturing process technology.
Machining is a major problem facing the high-precision products, diversity, and small quantities of contradictions. This requires the machine to the CNC from the need flexibility. As a result of CNC numerical control system software control, with a great deal of flexibility.
modern CNC machine tools has the advantage of its outstanding high-precision processing and diversification can be processed, can replace the other processing methods. The CNC machine is automatically processed according to a predetermined, the process does not require manual intervention, processing accuracy can be calibrated and compensated by software, so can improve the machining accuracy, stability, quality of the product. Especially for multi-species, small quantities of parts even more so.
graphical artifacts here on structural analysis, precision analysis, rough margin analysis, structural analysis process. The machining process are as follows:
considered in the process to the workpiece accuracy and surface roughness, sub-roughing and finishing. Rough when the tool radius compensation value is set to 8.7mm, a rough measurement of the end of the size of the workpiece, and then
modify the tool radius compensation value of the spindle speed and feed rate of workpiece precision processing.
operation, the fixture selection of flat-nose pliers, put the bottom piece pad, to ensure that the bottom parallel with the table, three degrees of freedom constraints, then the side close to the flat-nose pliers, bound the two degrees of freedom.
take into account the economics of machining, I chose an ordinary milling machine datum A. A base level and then locate the processing of the side surface. As the outline of the whole piece composed by curves, not easy to clamp and position, I chose the first hole and form processing chamber.
According to the surface after the first hole, the first after the second main principle is flat and because the milling cutter can not be under the knife too deep, so I chose the first hole and then processing form processing chamber.
outline the whole piece composed by the curve, not easy to clamp and positioning, so the pieces must meet with the processing, with more than when locating datum surface and the center for processing.
Keywords: Control Technology, Central China Century Star HNC-21, the tool type, cutting the amount of manual programming