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2. Crawler excavator - Wikipedia

   en.wikipedia.org/wiki/Crawler_excavator

   A crawler excavator, also known as a track-type excavator or tracked excavator, is a type of heavy construction equipment primarily used for excavation and earthmoving tasks. It is characterized by its tracked undercarriage, which provides superior mobility and traction compared to wheeled excavators, especially in soft, uneven, or unstable ...

3. Drifter drill - Wikipedia

   en.wikipedia.org/wiki/Drifter_drill

   Rock drill mounted on a tripod. The large objects on the legs are weights to anchor it down into position. In reciprocating power drills, the drilling cylinder is mounted on a feed-screw, such that as the hole is drilled and the drilling point recedes from the rock face, the drill-bit continues to move into it, while the anchor point (on the tripod or column) remains in place. [11]

4. Drill - Wikipedia

   en.wikipedia.org/wiki/Drill

   Drills powered by electricity (or more rarely, compressed air) are the most common tools in woodworking and machining shops. Cordless drill. Electric drills can be corded (fed from an electric outlet through a power cable) or cordless (fed by rechargeable electric batteries). The latter have removable battery packs that can be swapped to allow ...

5. Jackhammer - Wikipedia

   en.wikipedia.org/wiki/Jackhammer

   The jackhammer is connected with hydraulic hoses to a portable hydraulic powerpack: either a petrol or diesel engine driving a hydraulic pump; or a mini-excavator or skid-steer via a power take-off driveshaft to the machine's hydraulic system. Hydraulic power sources are more efficient than air compressors, making the kit smaller, cheaper or ...

6. Drilling rig - Wikipedia

   en.wikipedia.org/wiki/Drilling_rig

   An automated drill rig (ADR) is an automated full-sized walking land-based drill rig that drills long lateral sections in horizontal wells for the oil and gas industry. [8] ADRs are agile rigs that can move from pad to pad to new well sites faster than other full-sized drilling rigs. Each rig costs about $25 million.

7. Magnetic drilling machine - Wikipedia

   en.wikipedia.org/wiki/Magnetic_drilling_machine

   A morse taper 3 arbor equipped magnetic drill machine using taper shank drill bits. The arbor or chuck on a magnetic drill is attached to the motor. It is a type of clamp used to attach the core drills. There are mainly two types of chuck available for the magnetic drill, industrial arbor (manual tightening) and quick change drill chucks.

8. Drilling jumbo - Wikipedia

   en.wikipedia.org/wiki/Drilling_jumbo

   A drilling jumbo consists of one, two or three rock drill carriages, sometimes a platform, which the miner stands on to load the holes with explosives, clear the face of the tunnel or do something else. [further explanation needed] The carriages are bolted onto the chassis, which supports the miner's cabin as well as the engine. Although modern ...

9. Hammer drill - Wikipedia

   en.wikipedia.org/wiki/Hammer_drill

   A corded hammer drill next to a drill bit and a chuck key A hammer drill , also known as a percussion drill or impact drill , is a power tool used chiefly for drilling in hard materials. [ 1 ] [ 2 ] It is a type of rotary drill with an impact mechanism that generates a hammering motion.