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  January 17, 2017 at Rudgormash we welcomed our customers for the acceptance of the drilling rig SBSH-250MNA-32 (serial number 1611) manufactured for Stoilensky mining and processing plant (MPP) The technicians of Stoilensky MPP: the head of the drilling equipment shop Vyacheslav Zaitsev, th
RUDGORMASH -  is a specialized enterprise that designes and manufactures equipment for the mining industry.    A group of companies Rudgormash is an only complex supplier of mining equipment. To our customers we offer drilling, mineral-processing and underground mining equipment wh
   The representatives of “Klesovski quarry “TECHNOBUD” company came to see the commissioning and testing works of the throw screen GIT52M.   The testings went well and the customers were remained satisfied with the new equipment. A maintenance engineer Cherota R.


The drilling equipment

Drilling rig SBSH-250D with the diesel drive.

Drilling rig SBSH-250D with the diesel drive.
Rotary drilling rig SBSH-250D serves to drill blast holes of 200-270mm in diameter in hard highly abrasive ores. Diesel drilling rig is an autonomous machine which economizes the time and expenses on moving the drill to a new place and it can be done totally independent from electric network rewiring. The diesel engine Cummins QSK19 with 650h.p. capacity is notable for its low fuel consumption and efficiency. In-line arrangement of the compressor, the engine and the pumping unit make the servicing of these parts easier. The fuel tank of 2,5 m³ provides a 24-hour non-stop operation of the drill. The traveling of the rig, its leveling, lifting and lowering of the mast, the drill tool feed and its rotation as well as screwing of the rods is performed by the hydraulic drive.

Hydraulic drive based on the mobile Bosch Rexroth hydraulics provides highly reliable work of the drill, smoothness of operations, eliminated hydroshocks, reduction of noise and vibration and precision in operations regulation. Capacity of the regulated pumps is set automatically by the feedback system and depends on the speed of the performed operations which is set by the distributor with proportional control. The hydraulic drive has an idle mode which allows to keep the hydraulic system in stable temperatures of instant readiness. This mode has proved to be valuable in freezing winter conditions. When all hydraulic operations are switched off, the pumps are set at a minimal working capacity to pump 10-15 l/min of the power oil through the block of hydraulic system.

Upon customer’s request the drilling rig can be equipped with the compressor of 28m³/min or 40m³/min capacity depending on the diameter of drilling.

Rational arrangement of the main units of the drill provides stability of the machine during drilling or traveling.

The mast frame is of closed type with spacer blocks. The strengthened design of the anchor bar that holds the mast swing cylinders provides durability and reliability of the mast at the thrust force of 35 tons and the torque of 1300 kgm.

The cable-polyspast feed drive system (with two hydraulic cylinders) of the drill tool damps down bumps and vibrations when drilling fractured rocks.

The supporting unit and the rotating units are separated. This is done to protect the rotating unit from bumps and vibrations.

The cabin has been enlarged. It has a window heater, insulation of walls, floor and ceiling. The cabin has a wooden floor with rubber covering, an air heater and an air conditioner.

There is also an anti-vibration chair, two control panels with an indicators block showing the main drilling parameters like the depth of drilling, the speed of sinking, spindle rotation frequency and etc. This simplifies the drill operation and increases comfort of the operator.

Upon customer’s request we can offer a set of equipment to refit the machine for drilling blast holes of 170-311 mm in diameter.



Тype of drill


SBSH of rotary type


Temperature conditions



from -400С up to +500С



Rock hardness according to prof. Protodyakonov scale






Hole diameter, nominal, mm






Rod length, m






Number of rods, items.



4(3 in a separator)



Max. depth of drilling, m






Incline of the hole to the vertical, degree.



0-30 (or every 5 degrees).



Feed drive system



Two hydraulic cylinders, 4-fold cable-polyspast system



Max. feed thrust, tf.



Up to 35



Speed of drill tool thrust when drilling, m/min



Continuously variable from 0 to 6



Max. speed of drill tool thrust, m/min:

- lifting

- lowering








Max. drill tool rotation frequency, rpmin 


Continuously variable from 0 to 150



Max. torque on the bit, kgs*m






Rotation unit drive



Two hydraulic motors by Bosch Rexroth



Dust suppression



wet, dry (at your choice)



Type of engine



Diesel engine QSK19 Cummins



Engine capacity, kW (h.p.)



485 (650)



Nominal rotation frequency, rpmin 





Type of fuel



Diesel fuel according to GOST 305-82 (Russian State Standard)



Specific fuel consumption, l/kW*h






Hourly average fuel consumption at optimal loading of the engine, l






Operating capacity of fuel tank, l






Тype of the coolant in the engine cooling system



Tosol-А40М (Tosol-А65М)



Volume of the coolant in the cooling system , l.






Prestart warm up of the engine and compressor



heaters «Eberspecher»



Electronic control and monitoring of the engine



Electronic module ECM of the engine



Compressor capacity, m3/min



28; 40 (at your choice)



Compressed air pressure (excess), MPa (kgs/sm2)



0,7 (7)



Compressor air end



By leading manufacturers



Compressor drive



From the engine to the clutch “Stromag”



Electronic control and monitoring of the compressor



Compressor controller



Type of the pumps



Pumping unit by Bosch Rexroth includes :

- 2 regulated axial-piston pumps with a tilted block;

- 2 regulated axial-piston pumps with a wabble plate



Pump drive



From the engine through the clutch “Stromag”



Drive of the engine cooling fans, the compressor, thehydraulics and of the dust suppressing system



Axial-piston hydraulic motors by Bosch Rexroth



Drive of the crawler-mounting system



Two regulated axial-piston hydraulic motors by Bosch Rexroth with the charge-and-safety brake valves



Control switch gear



Section blocks by Bosch Rexroth с LS-control of М4 type



Max. operating pressure, kgf/sm2






Type of power fluid



Mineral oil of multigrade low-temperature hydraulic type



Filtration of power fluid



Filters «МР FILTRI»

- pressure filter (filtering degree- 10 micron);

-discharge filter (filtering degree- 10 micron);

-intake filter (filtering degree — 25 micron).



Mounting of the drill


Crawler mounting 


Traveling speed


Up to 2,5 -regulated


Max. grade-ability of the traveling drill, degrees.




Number of leveling jacks, items




Length of jack stroke, mm






Heating of the water tank (for wet dust suppression)



Torch heater 


Heating of the cabin



Air heater by Eberspecher



Air conditioner



On-roof air conditioner by Webasto



Overall dimensions of the drilling rig, m

with the mast up:




with the mast down:















Mass, kg


90 000


Additional equipment by request


Centralized lubrication by Linkoln
Automatic fire extinguishing system
Automated data collecting system
welding generator


Optional by request:

  1. Nominal hole diameter, mm.

  2. Length of jack stroke, mm.

  3. Length of drilling rod, m


311 (3 rods, drilling depth 27 meters)


11,4 (drilling depth 43 meters)


tel/fax +7 (473) 244-70-12