For the choice of CNC computer gong processing center positioning benchmark, how do you choose? Because CNC computer gong machining center positioning in the machinery industry is also a lot of user knowledge weak aspects, so CNC computer gong machining center positioning benchmark choice what? CNC computer gong machining center positioning benchmark which points?
1. Three basic requirements for selecting a benchmark:
The selected datum should ensure the accurate positioning of the workpiece, convenient and reliable loading and unloading.
2. the selected datum and the size of the processing parts of the calculation is simple.
3. ensure the machining accuracy.
Two, the workpiece in the machine tool work table the best clamping position: workpiece clamping position should ensure that the workpiece in the machine tool axis processing stroke range, and make the length of the tool as short as possible, improve the tool processing rigidity.
Three, the selection of positioning benchmark 6 principles:
(1), try to choose the design benchmark as the positioning benchmark;
(2) when the positioning datum and the design datum are not unified, the positioning error should be strictly controlled to ensure the machining accuracy;
(3) when the workpiece needs more than two clamping processing, the selected benchmark can complete the processing of all key precision parts in a clamping positioning.
(4), the selected benchmark to ensure the completion of as much processing content as possible;
(5), batch processing, parts positioning datum should be as far as possible with the establishment of the workpiece coordinate system of the tool datum coincidence;
(6), the need for multiple clamping, the benchmark should be unified before and after.