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close this bookDriling, Countersinking and Counterboring - Course: Technique for Manual Working of Materials. Trainees' Handbook of Lessons
View the document(introduction...)
View the document1. Purpose of drilling
View the document2. Machines for drilling
View the document3. Tools for metal drilling
View the document4. The operation of drilling
View the document5. Setting of the tools
View the document6. Clamping of the tools
View the document7. Clamping of the workpieces
View the document8. Technological process of drilling
View the document9. Purpose and application of counterboring/countersinking
View the document10. Labour safety recommendations

2. Machines for drilling

In the field of maintenance and repair, simple bench-type drilling machines, upright drilling machines and portable electrodrills are used. In modern production plants, multi-spindle drilling machines, boring mills as well as numerically controlled machines are used, also turning machines and automatics.