7295 Electric Rope Shovel

7295 Electric Rope Shovel

Download Product Documents

Click a link to download the document:

Dimensions

Dipper payload
50tons
Dipper capacity
19.1-38.2 m3 (25-50 yd3)
Note
Dependent on application and material density.
Length of boom
59.0ft
Overall length of dipper handle
41.5ft

Weights

Working weight, with dipper and standard links
1748837lb
Ballast (furnished by customer)
352000lb
General purpose dipper - 25.2 m3 (33 yd3)
110000.0lb
Note
These weights will vary slightly depending upon dipper and optional equipment selection.
Note
All specifications are based on a 19 m3 (25 yd3) dipper and standard 182.9 cm (72 in) treads.

Front End

Components
One piece, forged, seamless tubular dipper handle and wide-spread boom point sheaves equipped with hoist ropes and dipper padlocks to stabilize dipper handle.
Standard Rope Data: Hoist – No.
2
Standard Rope Data: Hoist – Diameter
2.375in
Standard Rope Data: Crowd – No.
1
Standard Rope Data: Crowd – Diameter
2.25in
Standard Rope Data: Retract – No.
1
Standard Rope Data: Retract – Diameter
2.25in
Standard Rope Data: Boom susp. – No.
4
Standard Rope Data: Boom susp. – Diameter
2.75in
Standard Rope Data: Dipper trip – No.
1
Standard Rope Data: Dipper trip – Diameter
0.625in
Note
High impact ropes available as an option
Crowd
Rope Crowd: the crowd machinery is located at the front center of the revolving frame; consisting of a motor, brake, drum and gearing. Plastic-impregnated crowd and retract ropes are used to move the dipper handle fore and aft.
Rope Data - Dipper trip - Construction
7 x 25
Rope Data - Dipper trip - Diameter
0.63in
Rope Data - Dipper trip - No.
1
Rope Data - Dipper trip - Type
single
Rope Data - Hoist - Construction
6 x 41
Rope Data - Hoist - Diameter
2.25in
Rope Data - Hoist - No.
2
Rope Data - Hoist - Type
twin dual
Rope Data - Retract - Construction
8 x 37
Rope Data - Retract - Diameter
2.38in
Rope Data - Retract - No.
1
Rope Data - Retract - Type
single dual

Electrical

Drive
IGBT Acutrol drive system.
Power Requirements – Voltage
3 phase, 50/60 Hz, 7,200V
Power Requirements – 50 Hz
6,000V, 6,600V, 7,200V
Power Requirements – 60 Hz
4,160V, 7,200V
Power Requirements – Average power demand
538-753 kW (721-1,010 hp)
Power Requirements – Peak power
2886hp
Note
Other voltages available to suit customer requirements.
Power Requirements - Average 15-minute demand
538-753 kW
Power Requirements - Peak power
2152 kW
Power Requirements - Voltage
3 phase, 50/60 Hz, 7,200V (Other voltages available to suit customer requirements.)

Main Structures

Upper works overall width (including standard walkways)
41.33ft
Crawler Dimensions – Overall width 182.9 cm (72 in) treads, standard
28.22ft
Ground Bearing Pressure – Total effective bearing area
315.6ft2
Ground Bearing Pressure – 182.9 cm (72 in) treads
39psi
Ground Bearing Pressure
Ground bearing pressure is dependent upon many factors.
Planetary Propel
Dual-motor independent drive.
Swing
Parallel shaft gear cases, driven by a vertically mounted motor, are located on either side of the revolving frame.
Hoist
A motor coupled to two gear reductions drives a 137 cm (54 in) hoist drum.
Crawler Mounting - Total effective bearing area (139.7 cm/55 in treads)
20.81 m2 (224 ft2); 371.6 kPa (53.9 psi)
Crawler Mounting - Total effective bearing area (182.88 cm/72 in treads)
27.2 m2 (293 ft2); 284.1 kPa (41.2 psi)
Hoist
Hoist machinery consists of a motor coupled to two gear reductions, which drive the 137 cm (54 in) hoist drum.
Planetary Propel
Dual-motor independent drive.
Revolving Frame - Welded, impact-resistant steel: Length
22.7ft
Revolving Frame - Welded, impact-resistant steel: Width
10.5ft
Swing
Two parallel shaft units mounted to either side of the revolving frame. Each unit is driven by a vertically mounted motor.
Turntable - Cast alloy steel swing rack pitch diameter
14.34ft
Turntable - Number of tapered rollers
54
Turntable - Tapered rollers diameter
7.38in
Turntable - Tapered, forged alloy steel roller rails diameter
12.86ft
Turntable - Teeth external cut (face)
8.0in

Optimal Working Ranges*

Dumping height – with clearance to open dipper door
27.56ft
Cutting height (maximum)
45.00ft
Cutting radius (maximum)
67.59ft
Radius of level floor
48.88ft
Revolving frame tail swing radius
25.59ft
Note
Optimal working ranges based on loading a Cat® 785D truck.
Note
*All specifications are based on a 19 m3 (25 yd3) dipper and standard 182.9 cm (72 in) treads.

Optimal Working Ranges

Dumping height
30.25ft
Dumping height at maximum electric crowd limit
23.0ft
Dumping radius (maximum)
61.32ft
Height of A-frame
39.17ft
Operator’s eye level
26.9ft
Overall width
40.65ft
Radius of level floor
51.12ft

Lights

Types
Incandescent lights on ground lights, walkways and operator’s cab.
Types
HPS lights on boom feet, top of A-frame, machinery house, lube room, control room, utility room and flood lights.

Crowd

Components
Rope Crowd with crowd machinery located at front center of the revolving frame; consisting of a motor, brake, drum and gearing.
Components
Plastic-coated crowd and retract ropes are used to move the dipper handle fore and aft.

Lube System

Components
6 pumps (4 for open gear lubricant and 2 for grease) located in an insulated, heated, double-walled lube room.
Type
Automatic, single-line system for open gear lubricant and grease.
Components
External fast fill from lower level.