Terex SKSS15 Drill Rig

Charles
C
a es McHugh
c ug
P i i l Mi
Principal
Mining
i Engineer
E i
- Automation
A t
ti
5 May 2009
AusIMM Technical Branch
Terex SKSS15 Drill Rig
•
No off
N
ff the
th shelf
h lf commercial
i l systems
t
existed
i t d att the
th
time
i
capable
bl off fulfilling
f lfilli RTIO needs
d (still
( ill doesn’t)
d
)
•
Decision was made to develop
p control system
y
with
CRC Mining and a large, local 3rd party remote
control integrator.
integrator RCT had a proven underground
and open pit remote control system capable of retro
fitting to different models and provide ongoing
service.
i
Al
Also
good
d OEM supportt from
f
TEREX
TEREXReedrill.
Th Drill
The
D ill Enhancement
E h
t program project
j t objectives:
bj ti
D ill Automation
Drill
A t
ti
Comparison
Co
pa so o
of Drill Accuracy
ccu acy using
us g Manual,
a ua , Manual
a ua with
t HPGPS
G S and
a d Automated
uto ated Functions
u ct o s
06
0.6
0.563
0.51
0.5
0.4
0 33
0.33
drill collar accuracy mean (m)
03
0.3
drill depth accuracy average (m)
0.259
02
0.2
0.144
0.1
0.01
0
Manual
Manual w ith HPGPS
Automated
Comparison of Drill Cycle Time using Manual, Manual with HPGPS and Automated Functions
80
75
70
58
60
50
0
43
40
40
35
levelling time average (s)
28
30
20
10
0
Manual Operation
tramming time median (s)
Manual HP GPS Operation
Automated
0 0
0.20
0.18
0.16
0 14
0.14
0 12
0.12
0 10
0.10
0.08
0.06
0.04
0 02
0.02
0-0.03
0
0.03
0.03-0.06
0.03
0.06 0.06
0.06-0.09
0.09 0.09
0.09-0.12
0.12 0.12
0.12-0.15
0.15 0.15
0.15-0.18
0.18 0.18
0.18-0.21
0.21 0.21
0.21-0.24
0.24 0.24
0.24-0.27
0.27 0.27
0.27-0.3
0.3 0.3
0.3-0.34
0.34
Distance from Design
g (m
( )
Mean 0.144m Std Dev 0.071
14000
Automation & Operator
12000
10000
8000
6000
4000
2000
0
5000
Rot Auto [kpa]
feed Auto [kpa]
Rot
ot op [kpa]
[ pa]
feed op [kpa]
BitAi A
BitAir
Auto[kpa]
t [k ]
Bit Air op
p [[kpa]
p ]
6000
7000
8000
9000
10000
d th in
deth
i [mm]
[
]
11000
12000
13000
14000
• Automation is reducing the variation in the drilling of the hole.
T l
Tele-remote
t
Tele-remote
Automation
Automation
•
Rock weighed approximately 130 tonnes
•
Took three hours to remove from dig zone
•
Held up one excavator, dozer, wheel loader and five trucks for three hours
18