![]() | Centring, Drilling and Counterboring / Countersinking - Course: Techniques for machining of material. Trainees' handbook of lessons (Institut für Berufliche Entwicklung, 22 p.) |
![]() | ![]() | (introduction...) |
![]() | ![]() | 1. Purpose of centring, drilling and counterboring/countersinking |
![]() | ![]() | 2. Types and application of centring, drilling and counterboring/ countersinking tools |
![]() | ![]() | 3. Preparation of centring, drilling and counterboring/countersinking |
![]() | ![]() | 4. Centring with the centre square, centre bell and height gauge |
![]() | ![]() | 5. Centring with the centre drill |
![]() | ![]() | 6. Centring with the turning tool |
![]() | ![]() | 7. Drilling with the drill and boring with the boring tool (turning tool) |
![]() | ![]() | 8. Counterboring/countersinking with counterbore/countersink and turning tool |