Musterseite_A3-Prospekt:MR300 series

Roadheader MR300 Series
in Action
The most popular roadheader in its class
SANDVIK MINING AND CONSTRUCTION ● www.sandvik.com
Sandvik Roadheader MR300 series
Over 180 units of the Sandvik Roadheader MR300 series already delivered.
Thus the MR300 is the most wanted roadheader in its class. Due to extremely high technical availability and cutting performance a maximum efficiency and profitability is guaranteed. Production records have been achieved worldwide in various materials (coal, rock, gypsum, potash and salt) and also in roadway development with the Sandvik Roadheader MR300.
The machine is available in four different height models as follows:
MR320: max. cutting height 4.54 m
MR340: max. cutting height 4.87 m
MR360: max. cutting height 5.00 m
MR380: max. cutting height 6.80 m
Technical data MR340*
Main dimensions
Total weight
Total length
Height over canopy
Width over loading table
Ground pressure
Electrical system 1000 V / 50 Hz
Cutter motor
Hydraulic power pack motor
Loader motors
Power supply demand
via transformer
via generator set
Extremely compact and reliable
52
10300
1850
2800
0.13
Conveying system
Loader star drive via conveyor motors
Chain speed
1.1 m/s
Capacity of conveyor max.
400 m3/h
t
mm
mm
mm
MPa
200 kW
63 kW
2 x 36
630 kVA
800 kVA
Cutting profile
Height
Width
Undercut
kW
4870 mm
7400 mm
350 mm
Negotiable gradients
+/- 20 gon
Speed of cutter head
Tramming speed
2.3 m/s
0 - 8.8 m/min
* All rights for technical modification are reserved
Unique features of the MR300 series
Fully proved in various materials with an unconfined
compressive strength of up to 100 MPa.
Maximum dust suppression and ignition prevention due to
High Pressure Pick Flushing System
Easy and rapid assembly and disassembly through modular
design
Proportional-Load sensing-Hydraulic system for optimal
energy utilisation
From vision to reality
Roadheader MR360