2022-04-20
How to choose jack hammer drill bits? The jack hammer drill bit is divided in to chisel bit, cross bit & button bit. The chisel bit is often used on soft rock. The cross bit is always used in o middle hard rock & sandwich rock. The button bit is used on hard rock, like moorstone, blue stone. Do you ...
2020-08-24
KJ311 hydraulic tunneling drilling rig apply to 12-35 square meters section of hard rock mine excavating working. Reliable universal drll boom is with the best shape of cross section covers,and propulsion beam turns 360°and keeps balance automatically for drilling quicky and easily positioning;At ...
2020-08-18
KT series integrated DTH drilling rig is an advanced drlling equipment which is the DTH drilling system combined with the screw air compressor system. With compact structure, good integrity and mobile convenience. The characteristics of drilling rig are energy-saving efficient, safe environmental ...
2020-08-06
Pressure vessels are mainly cylindrical, a few are spherical or other shapes. Cylindrical pressure vessel is usually composed of cylinder, head, nozzle, flange and other parts and components. The higher the working pressure of the pressure vessel, the thicker the wall of the cylinder. The pressure ...
2020-08-03
Working process of twin-screw compressor: the motor drives the main rotor through coupling, speed-up gear or belt. As the two rotors mesh with each other, the main rotor directly drives the auxiliary rotor to rotate together. Under the effect of relative negative pressure, the air is inhaled. Under ...
2020-07-28
When adjusting the air compressor, adjust it to the specified pressure according to customer needs, and then set a pressure difference. For example: the compressor starts, inflates the gas storage tank, when the pressure is 10kg, the air compressor stops or unloads, when the pressure reaches 7kg, ...
2020-07-24
As a result of the use of rare-earth PM materials,Kaishan Compressor's PM synchronous motor possesses higher rotating speed, wide regulation range and better efficiency. The high efficiency of Kaishan PM synchronous rotor gengeates very low heat itself.So the Kaishan high efficiency PM motor ...
2020-07-15
What should be paid attention to during the drilling operation of hydraulic drilling machine? (1) adjust the axial pressure through the pressure reducing valve according to the change of rock. (2) regularly adjust the clearance between the sliding plate and the sliding frame, and the tightness of ...
2020-07-10
For the drilling rig industry, there are many classifications, regardless of which one. For the field of domestic wells, it is nothing more than a small rig. Because it is light and easy to move, it can drill into rock, cobblestone, granite and other hard formations , Won the majority of friends. ...
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