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Specifications
®
Cat
7295 HD
Electric Rope Shovel
Dimensions
Dipper payload 38 tonnes (42 tons)
Dipper capacity 14-31 m3 (18-40 yd3)
Length of boom 15.7 m (51 ft 6 in)
Effective length of dipper handle 8.2 m (26 ft 10 in)
Overall length of dipper handle 9.9 m (32 ft 6 in)
Weights
Working weight, with dipper,
and standard links 703 068 kg (1,550,000 lbs)
Net weight, domestic,
without ballast or dipper 545 290 kg (1,202,160 lbs)
General-purpose dipper
20 m3 (26 yd3) 22 680 kg (50,000 lbs)
Ballast (furnished by customer) 140 616 kg (310,000 lbs)
• These weights will vary slightly depending upon dipper and optional
equipment selection
Main Structures
Crawler Mounting
Overall width 139.7 cm
(55 in) treads, standard 8.2 m (26 ft 11 in)
Overall width 182.88 cm
(72 in) treads 8.63 m (28 ft 4 in)
Overall length of mounting 10.26 m (33 ft 8 in)
Total effective bearing area 21 m2 (224 ft2)
(139.7 cm treads) 331 kpa (48.1 psi.)
Number and diameter of rollers 9, 71.1 cm (28 in)
Take-up tumblers diameter 147.3 cm (58 in)
Number and pitch of treads 96, 45.1 cm (17.75 in)
Planetary Propel
Dual-motor independent drive
Revolving Frame (Center Section)
Welded impact-resistant steel Length: 11.18 m (36 ft 8 in)
Width: 3.91 m (12 ft 10 in)
Turntable
Cast alloy steel swing rack
pitch diameter 4.5 m (14 ft 9 in)
Teeth external cut 29.21 cm face (11.5 in)
Tapered, forged alloy steel
roller rails diameter 4.04 m (13 ft 3 in)
Number of tapered rollers 45
Tapered rollers diameter 22.86 cm (9 in)
Swing
Two planetary gearboxes, each driven by a vertically mounted
variable-speed AC motor, located on either side of the revolving
frame towards the front of the machine. Single-output pinion
shaft from each gearbox engages the swing rack
Hoist
Double-reduction, conventional gearcase driven by a variablespeed AC motor
Lube System
• PLC-controlled, air-operated, three 208 liter (55 gallon) drum reserves
• Divided into three systems: open gear lube, upper works grease, and
lower works grease
• Faults protection: low pressure and vent release
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Electric Rope Shovel—7295 HD
Optimal Working Ranges
A Dumping height 8.4 m (27 ft 5 in)
A1 Dumping height at maximum
electric crowd limit 6.1 m (20 ft 1 in)
B Dumping radius (maximum) 17.5 m (57 ft 5 in)
C Cutting height (maximum) 15.6 m (51 ft 4 in)
D Cutting radius (maximum) 20.7 m (68 ft)
E Radius of level oor 14.7 m (48 ft 1 in)
G Clearance height
(boom point sheaves) 15.9 m (52 ft 3 in)
H Clearance radius
(boom point sheaves) 15.2 m (49 ft 9 in)
I Clearance radius
(revolving frame) 7.8 m (25 ft 8 in)
J Clearance under frame (to ground) 0.8 m (2 ft 6 in)
K Height of A-frame 10.9 m (35 ft 11 in)
L Overall width 11.1 m (36 ft 6 in)
M Clearance under lowest point in
truck frame/propel gearcase 0.8 m (2 ft 6 in)
N Operator’s eye level 7 m (23 ft)
Electrical
Drive
IGBT Acutrol drive system
Power Requirements
Voltage 3 phase, 50/60 Hz, 7200 V
Average 15-minute demand 450-630 kW
Peak power 1 799 kW
• Other voltage requirements available to suit customer requirements
Distribution System Requirements
Machine on separate system 2 000 kva
Main Electrical Systems
System voltage (nominal) 7200 V
Trail cable
(furnished by customer) SHD-3-#4 at 8000 V
Transformer, auxiliary 250 kva, 7200 V primary
480 V secondary
Lighting transformer 1 x 25 kva
120/240 V secondary
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Electric Rope Shovel—7295 HD
Front End
Boom
Boom ASTM A678 grade C quench
and temper carbon steel
Boom point sheaves twin-grooved, ame-hardened
cast steel
Boom point sheave diameters 1.7 m (5 ft 6 in)
Handle diameter single stick 0.6 m x 1.04 m
(2 ft x 3 ft 4.75 in)
Wall thickness (nominal) 3.81 cm (1.5 in) top,
4.45 cm (1.75 in) bottom,
3.175 cm (1.25 in) side
Rope Data
No. Diameter Type Construction
Hoist 2 50.8 mm (2 in) twin dual 6x41
Boom susp. 4 69.8 mm (2.75 in) 6x37
Dipper trip 1 12.7 mm (.5 in) 6x37
Crowd
Single stick rack-and-pinion system - a boom-mounted AC
motor drives double-reduction spur gearing to crowd pinions,
which engage twin machined racks on the dipper handle
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Electric Rope Shovel—7295 HD
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visit us on the web at mining.cat.com and www.cat.com
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AEHQ6514
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