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Sandvik Mining and Rock Technology

Kiertoporakruunut

RR440

Laakerityyppi
Sealed journal bearing
Leikkausrakenne
QX2 series
Bittien koot
200,00 - 311,00 mm (7,67 - 12,24 ) in.
Charger RR440 rotary drill bit side black background

Charger™ RR440 on maanpäälliseen kaivostoimintaan suunniteltu tiivistetyillä tukilaakereilla varustettu porakruunu, jonka etuna on vakiokruunuun verrattuna jopa 169 % pidempi kestoikä ja alhaisemmat metrikustannukset.

Tekniset tiedot

Laakerityyppi
Sealed journal bearing
Leikkausrakenne
QX2 series
Bittien koot
200,00 - 311,00 mm (7,67 - 12,24 ) in.
PowerCarbide®
Optional SH75 grades
Porakruunuun kohdistuva voima
35,000 - 98,000 kg (77,000 - 216,000 lb)
Charger RR440 rotary drill bit side white background

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