C
NC Crushers Roadstone has bene-
fitted from uninterrupted production,
ranging from 1 000 t to 1 200 t of ag-
gregate a day for road construction in vari-
ous areas of the North West province since
it introduced Trio
®
comminution equipment
to its Stilfontein operations.
The company is operating three Trio
®
cone
crushers and an inclined Trio
®
screen which
it bought from Weir Minerals Africa.
Carl Crous, owner of CNC Crushers Road-
stone, opted for the Trio
®
TC series of cone
crushers, known for their rugged design.
CNC Crushers Roadstone’s TC36SH (short
head) weighs 12 000 kg and has a feed
opening of between 100 mm and 180 mm,
as well as a head diameter of 914 mm. It
has a maximum power capacity of 90 kW
and has a capacity of between 27 t/ph and
186 t/ ph. Meanwhile, its TC51S (standard
head) has a diameter of 1 295 mm and
weighs 22 500 kg. It has a feed opening of
between 65 mm and 135 mm, and a max-
imum power of 200 kW. The unit has a ca-
pacity of between 36 Mtph and 255 Mtph.
In terms of the company’s screening require-
ments, the aggregate producer has opted
for a Trio
®
TIO5162 inclined double deck
screen.
JD Singleton, Weir Minerals’ general man-
ager for Trio
®
products in Africa and Middle
East, says Trio
®
TIO Series screens generate
their motion via three timed shafts with ec-
centric counterweights. The combination of
three shafts provides an oval strike with ad-
justable amplitude, speed and operating an-
gle that are determined by application, feed
size and gradation. The vibrating unit uses an
oil bath lubrication arrangement.
Their plates are made from hot-rolled steel
and are plasma cut with computer numer-
ical controlled punched holes. Trio
®
prod-
ucts are manufactured utilising Huck-bolt
construction techniques to ensure structural
integrity and eliminate stress fatigue in the
screen body.
CNC Crushers Roadstone has maximised the
operation of its Trio
®
comminution equip-
ment by entering into an extended service
level agreement with Weir Minerals Africa.
The OEM’s technical field service person-
nel now spend two full days a month at the
operations undertaking preventative mainte-
nance on the equipment.
It is not difficult to see why so many aggre-
gate producers are opting for Trio
®
equip-
ment. As Singleton notes, they want predict-
ability and this is exactly what they get from
Trio
®
equipment.
b
TRIO
®
CRUSHES AND SCREENS
out inefficiencies
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JUNE 2016
17