CNC machining refers to the process of machining parts on CNC machine tools. A CNC machine tool is a machine tool controlled by a computer. The computer used to control the machine tool, whether it is a special computer or a general-purpose computer, is collectively referred to as a CNC system. Before machining CNC parts, you must see the process flow clearly, know the parts, shapes, and dimensions of the drawings to be processed, and know the processing content of the next process.
What are the precautions for daily operation of CNC machining?
Before clamping raw materials for processing, measure whether the size of the blank meets the requirements of the drawing, and carefully check whether its placement is consistent with the programmed instructions.
After the rough machining of the processing technology is completed, self-inspection should be carried out in time, so that the data with errors can be adjusted in time.
The content of the self-inspection is mainly the position and size of the processing part.
(1) Whether there is looseness during the processing of mechanical parts;
(2) Whether the processing technology of the parts is correct or not;
(3) Whether the size from the part processed by CNC parts to the reference side (reference point) meets the requirements of the drawing;
(4) The position size between the cnc processing parts. After checking the position size, measure the rough shape ruler (except the arc).
The parts are finished after the rough machining is confirmed. Carry out self-inspection on the shape and size of the drawing parts before finishing: check the basic length and width dimensions of the processing parts on the vertical surface; measure the base point size marked on the drawing for the processing parts on the inclined plane. After completing the self-inspection of the parts and confirming that they meet the drawings and process requirements, the workpiece can be removed and sent to the inspector for special inspection. When encountering precision cnc parts processing and small batch processing, batch processing is required after the first part is confirmed to be qualified.
CNC machining is an effective way to solve the problems of variable varieties, small batches, complex shapes, and high precision of parts and to achieve high-efficiency and automatic processing. Machining centers were originally developed from CNC milling machines.
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