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HFY1500 Core Drilling RigHFY1500 Core Drilling RigHFY1500 Core Drilling Rig
HFY1500 Core Drilling RigHFY1500 Core Drilling RigHFY1500 Core Drilling Rig

HFY1500 Core Drilling Rig

Drilling Diameter: BQ, NQ, HQ, PQ
Maximum Drilling Depth: 1500mm
Engine Power: 276kw
Rotation Diameter: Φ800mm

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overview

Features:
1. Suitable for small diameter diamond core drilling, drilling large-diameter carbide project. 
2. The drilling rig can be detachable, easy to move, suitable for use in mountainous area.
3. The clutch and gearbox of the drilling rig adopt EQ140 dongfeng auto parts. Therefore, it is very convenient to maintain and repair the drilling machine.
4. Equipped with sufficient instruments to display the situation in the hole. reasonable control handles, it is flexible and reliable for operating.
 
How does rotary drilling work?

Rotary drilling uses a rotating movement of a drill bit in order to generate wear in the ground (in order to drill into soft ground or mixed grounds):

- A rotary head, rotating thanks to hydraulic motors, is placed on a rig,

- a feed force is applied to the string,

- The rotary head makes the drill string to rotate,

- At the bottom of the drill string there is a bit, in contact with the ground, the bit creates the hole (the rotation of the bit generates wear).

- A fluid (water or drilling mud) is injected through the drill string till the bit. This fluid will flush the cutted material and bring them to the surface. - As the bit drills down, the rotary head goes down the rig. Then added rods are inserted in order to go till the desired depth.

For drilling in hard rocks, rotary drilling is usually not the most adapted technic, for this it's better to use a drifter (also called hard rock drill).

Technical Data

power machine Description electric motor diesel engine
model Y225S-4 4102DBZ
Power(kw) 37 48
rotate speed(r/min) 1480 1500
Drilling capacity drill pipe reference drilling depth(m)
Wire-line drill pipe dia 55.5×4.75 1500
Wire-line drill pipe dia 71×5 1100
Wire-line drill pipe dia 89×5 900
drill pipe dia 54×6 1100
drill pipe dia 60×6 1000
gyrator electric motor speed 1480r/min Vertical spindle speed(r/min) foreward:High speed:979、635、399、227、134;low speed:289、188、118、67、40;reverse:high speed 127;low speed 38
vertical shaft diameter(mm) 91
rotation angle 0-360º
feed mechanism Mode hydraulic
hoisting capacity(KN) 138.5
press capacity(KN) 93.3
Feeding Stroke(mm) 600
winch Lifting capacity (single rope speed) 40KN
Single rope three-layer lifting speed (m/s) 3.4、2.07、1.31、0.74、0.48 reverse0.47m/s
Reel caliber(mm) dia.350
diameter of wire rope(mm) dia.18.5
hydraulic system Oil pump model 2CB-F32/11C-FL
Pump displacement(L/Min) 32+11
Working pressure(Mpa) 7.84
Move car cylinder travel(mm) 500
Dimensions(L×W×H)mm 3110×1370×1805
Total weight(not include power machine)kg 3200

 

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