FIELD: automatic control of the tool feed in response to flow or pressure of fluid of the drive when gadder is fed forward by feed engine driven by pressure fluid and for performing auxiliary operations which prepare boring machine for drilling operation.
SUBSTANCE: method involves establishing automatic regime of maintenance of preliminary pressure fluid parameters when performing drilling operation up to choosing another drilling regime by operator; performing automatic operation and control of drilling operation at operator command; automatic keeping up the chosen auxiliary operation up to choosing another operation by operator, forming reference signal associated with chosen volumes of pressure fluid for each auxiliary operation for determination of optimal pressure fluid volume with the purpose of performing each auxiliary operation and for forming predetermined value which later is used for comparison with real volume of pressure fluid and for changing pressure fluid volume if necessary; determining real pressure fluid volume in each time period when carrying out auxiliary operation for efficient pressure fluid consumption; carrying out automatic operation and control of pressure fluid volume when performing each auxiliary operation which is set in accordance with comparison between reference signal value and real pressure fluid volume.
EFFECT: possibility of automatic and continuous control of machine feed with predetermined speed when carrying out rock drilling and preparation processes.
2 cl, 6 dwg
