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KY-250 Rotary Drill
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The Drill is powered by 6000V high voltage, down-voltage by self equipped transformer to power the oil pump, compressor, rotary motor, electric fan and control system. Drill up to 17.5m deep, Ø220~Ø270mm diameter blasting holes at hardness f≥5 rock. Suit for metal, coal, iron and cement all kinds of opencast mining use.

 

Specification:

Hole diameter:   

220~270mm

Hole depth:               

18m(single pass)

Hole angle:               

Vertical

Rock hardness:    

f=5~20

Axis pressure:           

0~370KN

Drill speed:

0~2.1m/min

Rotary speed:

0~88r/min

Rated rotary torque:

 7930N·m

Lifting speed:

0~21m/mi

Move speed:                

0~1.0 km/h

Climbing capacity:        

12º(21%)

Rotary motor power(AC Variable Frequency):  

75KW   1480rpm

Move motor power(AC Variable Frequency):

75KW   1480rpm

Pressure motor power(AC Variable Frequency):

7.5KW   1000rpm

Power:

3 phase 6KV

Total power:

390KW

Transformer capacity:

400KVA

Weight: 

105t

Dimension(L×W×H)mm:                       

 Erect:12107×6215×25060 

 Down:24276×6215×7214