Some features of using a spiral drill with a stepped blade for processing holes in elastic-viscous materials
The main advantages and disadvantages of well-known spiral drills with a multi-stage blade. It is described that the bridge, together with the steps adjacent to the grooves, is a small centering drill, performs centering and drilling during the process.
| Рубрика | Производство и технологии |
| Предмет | Mechanical engineering |
| Вид | статья |
| Язык | английский |
| Прислал(а) | Balasanyan A.B., Balasanyan B.A. |
| Дата добавления | 10.02.2021 |
| Размер файла | 223,9 K |
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