Measures for quickly moving the tool to its working position. These include, among others
- The plunger circuit for fast advance,
- Usage of high volume low-pressure pumps (Figure E 3 a),
- Rapid traverse by means of piston for rapid traverse,
- Rapid traverse due piston free fall (Figure E 3 b).
Figure E 3: Rapid traverse circuit; a) pumps for rapid traverse, b) piston free fall