Machinery processing plants need to be aware of when the parts processing

by:NJPE     2020-06-28
Machinery processing machinery parts processing, high artifacts should be layered open thick, with different length knife use sword to open after coarse, should use a knife to get rid of excess stock again. Application of flat-bottomed cutter machining plane, use less spher mill, in order to reduce processing time; If there is a slope, and is an integer, slope knife application processing. Setting up reasonable tolerance at the same time, make the balance each other between the precision machining precision and computing time, do more working procedure, reduce the air knife time; Blank material hardness, choose up milling; Blank material hardness is low, choose suitable milling. Roughing up milling, finishing down milling; Cutting tool materials, good toughness, low hardness to adapt to the rough precision machining, cutting tool material toughness, high hardness, poor to adapt to the finish. Mechanical processing plant on numerical control machine processing components of the clamping method also benchmark to the choice of reasonable positioning and clamping schemes, in the essence of the benchmark when the choice, should follow 'benchmark' and 'benchmark superposition of these two principles, in addition to these two principles, but also try to complete all in a positioning clamping surface processing, therefore, should choose to facilitate each surface can be processing way of positioning. A clamping workpiece, should be able to complete all of the workpiece surface processing; Determining the position of the workpiece on the workbench, consideration should be given to both to the various processing station, the length of the cutting tool and the stiffness impact on the quality of precision machining tool. Used in the control processing of fixture, should choose as far as possible by general elements assembled, and can adjust the jig, shorten the production preparation period. Machinery factory arrangement processing sequence, the basic principle is to must abide by, including 'after the first plane hole', 'first rough then essence', etc. Press tool concentration process, avoid the same repeatedly use the cutting tool, reducing changeover times and time. Alignment demanding hole system, should be in a location, fasten the hole after processing is complete, again to other department coordinates the hole processing, so can eliminate produced by the repeated positioning error, improve the hole system alignment. Choose good knife and tool change, once established, should not be replaced.
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