7295 Electric Rope Shovel

Dimensions

Dipper payload

50 tons

Dipper capacity

19.1-38.2 m3 (25-50 yd3)

Length of boom

59.0 ft

Overall length of dipper handle

41.5 ft

Note

Dependent on application and material density.

Weights

Working weight, with dipper and standard links

1748837 lb

General purpose dipper – 25.2 m3 (33 yd3)

110000.0 lb

Ballast (furnished by customer)

352000 lb

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.

Main Structures

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

22.7 ft

Revolving Frame – Welded, impact-resistant steel: Width

10.5 ft

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

14.34 ft

Turntable – Number of tapered rollers

54

Turntable – Tapered rollers diameter

7.38 in

Turntable – Tapered, forged alloy steel roller rails diameter

12.86 ft

Turntable – Teeth external cut (face)

8.0 in

Upper works overall width (including standard walkways)

41.33 ft

Crawler Dimensions – Overall width 182.9 cm (72 in) treads, standard

28.22 ft

Ground Bearing Pressure – Total effective bearing area

315.6 ft2

Ground Bearing Pressure – 182.9 cm (72 in) treads

39 psi

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.

Optimal Working Ranges

Dumping height

30.25 ft

Dumping height at maximum electric crowd limit

23.0 ft

Dumping radius (maximum)

61.32 ft

Height of A-frame

39.17 ft

Operator’s eye level

26.9 ft

Overall width

40.65 ft

Radius of level floor

51.12 ft

Optimal Working Ranges*

Dumping height – with clearance to open dipper door

27.56 ft

Cutting height (maximum)

45.00 ft

Cutting radius (maximum)

67.59 ft

Radius of level floor

48.88 ft

Revolving frame tail swing radius

25.59 ft

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.

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.

Electrical

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.)

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

2886 hp

Note

Other voltages available to suit customer requirements.

Front End

Rope Data – Dipper trip – Construction

7 x 25

Rope Data – Dipper trip – Diameter

0.63 in

Rope Data – Dipper trip – No.

1

Rope Data – Dipper trip – Type

single

Rope Data – Hoist – Construction

6 x 41

Rope Data – Hoist – Diameter

2.25 in

Rope Data – Hoist – No.

2

Rope Data – Hoist – Type

twin dual

Rope Data – Retract – Construction

8 x 37

Rope Data – Retract – Diameter

2.38 in

Rope Data – Retract – No.

1

Rope Data – Retract – Type

single dual

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

2.375 in

Standard Rope Data: Crowd – No.

1

Standard Rope Data: Crowd – Diameter

2.25 in

Standard Rope Data: Retract – No.

1

Standard Rope Data: Retract – Diameter

2.25 in

Standard Rope Data: Boom susp. – No.

4

Standard Rope Data: Boom susp. – Diameter

2.75 in

Standard Rope Data: Dipper trip – No.

1

Standard Rope Data: Dipper trip – Diameter

0.625 in

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.

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.