About Down-the-hole drill rig rotary reducer
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6 FAQs about [Down-the-hole drill rig rotary reducer]
What is a down the hole drilling rig?
Down the hole drilling rig is an impact rotary drilling rig. Its internal structure is different from that of a general rock drill.
What is down-the-hole drilling machine equipment?
The down-the-hole drilling rig uses the impactor and the DTH drill bits submerged into the bottom of the hole to impact and crush the rock. Therefore, it is called down-the-hole drilling machine equipment. YG DTH drill rig machine is widely used in metal mines, hydropower, transportation, building materials, harbors, and national defense projects.
What is a DM30 XC drill rig?
The Epiroc DM30 XC is a crawler mounted, hydraulic tophead drive, multi-pass rotary or DTH drilling rig featuring a 9.1 m (30 ft) drill pipe change. With a starter rod under the rotary head, the DM30 XC has a total clean depth capacity of 45.1 m (148 ft), dependent on the drill pipe size.
What is a DTH drilling rig?
The DTH drilling rig (down-the-hole drilling machine) is a kind of drilling machine, which is mainly used for drilling in rock formations. The down-the-hole drilling rig uses the impactor and the DTH drill bits submerged into the bottom of the hole to impact and crush the rock. Therefore, it is called down-the-hole drilling machine equipment.
What is the difference between DTH and rotary drilling?
Which includes the drilling process of impact, rotation, ballast removal, and advancement. DTH machine belongs to percussion rotary drilling. The difference is that the impactor of the down-the-hole drilling machine is installed at the front end of the drill rig rod, submerged into the bottom of the hole.
What are the components of a mining drilling rig?
The mining drilling rig consists of a drill rod, DTH button bits, and an impactor. When drilling, use two drill rod extensions to drill. A rotary air supply mechanism consists of a rotary motor, a rotary reducer, and an air supply gyrator.


