The full-sawing concept combines an underground chain saw, an open-pit chain saw and a diamond wire saw. The machines change roles as the underground marble mine moves from access roadway to production trench and block shaping.
Development roadway
Cut the opening with the underground chain saw
The underground chain-saw machine forms the development roadway. Its cut creates the access geometry for the next separation rather than completing the back plane on its own.
Full sawing mining system for underground marble mine — source image from the archived article Closed back
Route the wire through the chain-saw gap
A special guide wheel is installed in the 4 cm saw gap so the diamond wire can cut and separate the closed back of the roadway. The source says this removes the need for splitting and improves recovery.
It also states that the roadway success rate can reach 100%. No roadway length, geology, trial count or acceptance definition is supplied, so that figure remains an archived supplier claim.
Initial and development trenches
Use the double free surfaces after access is complete
Once the roadway creates two free surfaces, the diamond wire saw and open-pit chain saw are combined for the initial trench and later development trench.
Full sawing mining system for underground marble mine — source image from the archived article Production blocks
Separate, divide and shape the marble
The wire saw is assigned to orebody separation, long-block division and final block shaping. The page defines this division of work but provides no underground support, ventilation or handling plan.
