 |  |  | Centring, Drilling Counterboring and Countersinking, Reaming and Tapping on the Drilling Machines - Course: Techniques for machining of material. Trainees' handbook of lessons (Institut für Berufliche Entwicklung, 24 p.) |  |  | (introduction...) | | | 1. Purpose of centring, drilling, counterboring and countersinking, reaming and tapping | | | 2. Kinds, construction and applications of drilling machines | | | 3. Kinds and construction of centring, drilling, counterboring and countersinking, reaming and tapping tools | | | 4. Clamping possibilities for workpieces and tools | | | 5. Preparation of work | | | 6. Centring, drilling and counterboring or countersinking | | | 7. Reaming and tapping |
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