數(shù)控專業(yè) 英語翻譯
1. The machine control unit also contains the machine motion controller in the form of an executive software program.
2. NC machine: responds to programmed signals from the machine control unit and manufactures the part.
3. A complete set of coded instructions for executing an operation is called a program.
4.The scrap rate is significantly reduced because of the precision of the CNC machine and lesser operator impact.
5.Because of the continuing miniaturization of electronic components,the nend for NC positioning devices in the manufacture of printed circuit boards has increased.
6. NC systems offer some of the following advantages over manual methods of production.
7.An additional advantage for single-point tools is the fact that inserts are made with a precise tool nose radius for cutting.
8.Computer numerical control (CNC) means that data stored within the MCU memory directs the operation of a machine.
9.Therefore, it is generally recommended to use higher feeds for roughing operations and finer feeds for finishing operations.
10.AG code activating TNR compensation is entered as a separate bloak in the program,it must be commanded before the tool starts to cut work-piece.
11.These systems come equipped with automatic tool changers with the capability of changing up to 90 or more tools.