7495 Electric Rope Shovel

Dimensions

Dipper payload

120 tons

Dipper capacity

30.6-62.7 m3 (40-82 yd3)

Length of boom

67.0 ft

Overall length of dipper handle

47.0 ft

Dipper payload (Available dipper payloads up to 109 tonnes [120 tons] when specified)

120 tons

Note

Dependent on application and material density

Weights

Net weight, domestic, without ballast or dipper

2173820.0 lb

Working weight, with dipper and standard links

3056000 lb

Ballast (furnished by customer)

667150 lb

Note

These weights will vary slightly depending upon dipper and optional equipment selection

Note

All specifications are based on a 56 m3 (73 yd3) dipper and standard 200.7 cm (79 in) treads

Main Structures

Crawler Mounting – Total effective bearing area (259.1 cm treads)

46.6 m2 (288 kPa); 501.7 ft2 (41.8 psi)

Hoist

A planetary gearbox with dual-output pinions provides the hoist torque transfer from the electric motor to the hoist drum gear.

Planetary Propel

Dual-motor independent drive

Revolving Frame (Center Section) – Welded, impact-resistant steel: Length

27.49 ft

Revolving Frame (Center Section) – Welded, impact-resistant steel: Width

12.07 ft

Swing

Two planetary gearboxes, each driven by a vertically mounted motor, are mounted on either side of the revolving frame.

Swing (cont'd)

Dual-output pinion shafts from each gearbox engage the swing rack.

Turntable – Forged rim, alloy steel swing rack pitch diameter

17.26 ft

Turntable – Number of tapered rollers

50

Turntable – Tapered rollers diameter

10.75 in

Turntable – Tapered, forged alloy steel roller rails diameter

14.83 ft

Turntable – Teeth external cut (face)

9.5 in

Upper works overall width (including standard walkways)

41.9 ft

Crawler Dimensions – Overall width 200.7 cm (79 in) treads, standard

36 ft

Crawler Dimensions – Overall width 259.1 cm (102 in) treads

38 ft

Ground Bearing Pressure – Total effective bearing area (200.7 cm treads)

36 m2 (380 kPa); 386 ft2 (55 psi)

Ground Bearing Pressure – Total effective bearing area (259.1 cm treads)

47 m2 (297 kPa); 501 ft2 (43 psi)

Ground Bearing Pressure – Note

Ground bearing pressure is dependent upon many factors

Planetary Propel

Dual-motor independent drive

Swing

Two planetary gearboxes, each driven by a vertically mounted motor, are located on either side of the revolving frame. Dual-output pinion shafts from each gearbox engage the swing rack.

Hoist

A planetary gearbox with dual-output pinions provides the hoist torque transfer from the electric motor to the hoist drum gear.

Lube System

Components

Six pumps (four for open gear lubricant and two for grease) located in an insulated, heated, double-walled lube room

Type

Automatic, single-line system for open gear lubricant and grease

Components

External FastFil from lower level

Electrical

Distribution System Requirements – Machine on separate system

4000 kVA

Lights

HPS lights on boom feet, top of A-frame, machinery house, lube room, control room, and utility room.

Lights

Incandescent lights for ground lights and on walkways.

Main Electrical Systems – Transformer, auxiliary

350 kVA, 7200V primary

Trail cable (supplied by customer)

SHD-3-#1/0 at 8000V

Transformer, auxiliary

350 kVA, 7200V primary

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, 11,000V

Power Requirements – 60 Hz

7,200V, 13,800V

Power Requirements – Average power demand

934-1308 kW

Power Requirements – Peak power

3737 kW

Power Requirements – Note

Other voltage options available to suit customer requirements

System voltage (nominal)

50/60 Hz, 7,200V

Front End

Boom – Boom

welded, impact-resistant steel

Boom – Boom point sheave diameters

96.0 in

Boom – Boom point sheaves

twin-grooved, flame-hardened

Boom – Handle diameter

34.0 in

Boom – Wall thickness (nominal)

3.0 in

Rope Data – Dipper trip – Type

single

Rope Data – Hoist – Construction

8 x 37

Rope Data – Hoist – Diameter

2.75 in

Rope Data – Hoist – No.

2

Rope Data – Hoist – Type

twin dual

Rope Data – Retract – Construction

8 × 37

Rope Data – Retract – Diameter

2.5 in

Rope Data – Retract – No.

1

Rope Data – Retract – Type

single dual

Type

One piece, forged, seamless tubular dipper handle and wide-spread boom point sheaves equipped with hoist ropes and dipper padlocks to stabilize dipper handle.

Rope Data: Hoist – No.

2

Rope Data: Crowd – No.

1

Rope Data: Retract – No.

1

Rope Data: Boom suspension – No.

4

Rope Data: Dipper trip – No.

1

Rope Data: Hoist – Diameter

2.75 in

Rope Data: Crowd – Diameter

2.5 in

Rope Data: Retract – Diameter

2.5 in

Rope Data: Boom suspension – Diameter

3.25 in

Rope Data: Dipper trip – Diameter

0.75 in

Rope Data: Note

High impact ropes available as an option

Crowd

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

Crowd

(Optional) HydraCrowd, hydraulic power skid, located at the front center of the revolving frame deck, powers a large hydraulic cylinder to move the dipper handle fore and aft.

Dimensions/Working Ranges

Maximum dumping radius

71.0 ft

Dipper capacities

30.6-62.7 m3 (40-82 yd3)

Dipper payload

120 tons

Maximum dumping height

28.9 ft

Operating weight

3056000 lb

Dimensions – Optimal Working Ranges

Maximum clearance radius (revolving frame)

30.64 ft

Maximum cutting height

58.4 ft

Maximum cutting radius

82.68 ft

Maximum dumping radius

71.0 ft

Operator’s eye level

34.81 ft

Overall width

43.0 ft

Radius of level floor

57.32 ft

Dimensions (Approximate) – Optimal Working Ranges*

Dumping height – with clearance to open dipper door

28.9 ft

Cutting height (maximum)

53.5 ft

Cutting radius (maximum)

80.0 ft

Radius of level floor

56.1 ft

Revolving frame tail swing radius

30.5 ft

Note

Optimal working ranges based on loading a Cat 797F truck.

Note

*All specifications are based on a 56 m3 (73 yd3) dipper and standard 200.7 cm (79 in) treads.