Что нужно учесть при выборе инструмента и пластин для обработки внутренних отверстий?

1. The processing variety of the internal hollow processing device ought to be capable of meet the accuracy necessities of the processing aperture;
2. The form of the blade is appropriate for the numerous necessities of reducing and processing holes and the cloth necessities for processing; such as: reducing grooves, reducing inner stop faces, reducing stop face grooves, etc.;
3. The pressure of the device bar meets the processing necessities and surprise resistance;
4. The financial system and sturdiness of the arbor and blade.
(for reference only)