Sandvik Mining and Construction Oy

Tuomo Kivelä

Sirpa Launis

Jussi Puura

Timo Setala

Pekka Anttonen

Timo SETÄLÄ

An apparatus, method and computer program product for controlling flushing in rock drilling, and a rock drilling rig. The apparatus includes a control unit and a computer program for controlling feeding of a liquid component in an air mist flushing system in response to detected penetration rate of executed drilling. An operator may set a desired moisture target value for drilling cuttings removed from a drill hole and the control system automatically adjusts the flushing system to control the feeding of the liquid component.

Apparatus and method for controlling flushing in rock drilling

A drilling boom and rock drilling rig. The drilling boom includes a basic boom part, a distal end of which is provided with a front joint assembly of a wrist. The wrist connects a feed beam assembly to the basic boom part. The wrist has three joints, which are a roll-over joint, a feed tilt joint and a feed swing joint. The order of the joints of the wrist is optimized when the joints are in the mentioned order. The rock drilling rig is provided with one or more such drilling booms provided with face drilling units or bolting heads.

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Tampere, Finland

Tuomo Kivelä