DOWN THE HOLE HAMMER DRILLING OPEN PIT MINING D ...

Open pit mine drilling rig engineering

Open pit mine drilling rig engineering

Drilling and blasting are the two most significant operations in open pit mines that play a crucial role in downstream stages. While previous research has focused on optimizing these operations as two separate p. [pdf]

Down hole hammer drill rig

Down hole hammer drill rig

A down-the-hole drill, usually called DTH Drilling Rig, is basically a mini jackhammer screwed on the bottom of a drill string. The speedy hammer activity breaks hard stone into little flakes and dust and can be dismissed evident by the air exhaust in the DTH hammer. [pdf]

Shot hole drilling rig

Shot hole drilling rig

A common drill rig used for "Shot Hole Drilling" is the L.I.S (Low Impact Seismic) mounted on track carrier for operation in cut lines or environmentally sensitive area. Truck mounted drill or 4X4 buggy are utilized in the prairies. These drill rigs use water or air to assist the drilling. [pdf]

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