| Conveyor Capacity - Approximate | 160.0 tonnes/hr |
|---|---|
| Note | 100 m (328 ft) conveyor length/varies with rock density. |
| Apron Plate Chain Diameter | 30 mm × 108 mm (1.18 in × 4.25 in) |
The Cat® Rock Straight System is a fully mechanized longwall system adopted to hard rock conditions for continuous mining of low seam hard rock deposits. The Rock Straight System combines the use of a hard rock shearer (Hard Rock Miner HRM220), a hard rock chain conveyor (Hard Rock Conveyor HRC30) and hydraulic roof support (Hard Rock Roof Support HRS1220). It features the unique adaptation of Caterpillar “Activated Undercutting Technology” and has been specifically designed for the extraction of bedded hard rock deposits (e.g. platinum, copper, gold). The Rock Straight System provides economical cutting in the mining of thin seams and narrow veins, especially when selective mining of ore is required.
| Apron Plate Chain Diameter | 30 mm × 108 mm (1.18 in × 4.25 in) 30 mm × 108 mm (1.18 in × 4.25 in) | More |
| Apron Plate Spacing | 4 × 108 mm (4 × 4.25 in) 4 × 108 mm (4 × 4.25 in) | More |
| Capacity per Hour | 176.0 t 160.0 t | More |
| Chain Length - Up To | 328.0 ft 100.0 m | More |
| Chain Speed | 2.3 ft/min 0.7 m/s | More |
| Line Pan Height | 11.02 in 280.0 mm | More |
| Line Pan Length | 102.95 in 2615.0 mm | More |
| Line Pan Width | 69.13 in 1756.0 mm | More |
| Body Height | 47.2 in 1200.0 mm | More |
| Cutting Depth - Up To | 3.9 in 100.0 mm | More |
| Cutting Drum Speed | 60.0 r/min 60.0 r/min | More |
| Cutting Head Diameter | 50.0 in 1270.0 mm | More |
| Cutting Units | 2 2 | More |
| Installed Power Electrical System | 427.6 HP 319.0 kW | More |
| Installed Power Hydraulic System | 73.7 HP 55.0 kW | More |
| Installed Power per Cutting Unit | 177.0 HP 132.0 kW | More |
| Machine Weight - Approximate | 45.2 t 41.0 t | More |
| Operating Voltage | 1,000 V; 50 Hz; 3 AC 1,000 V; 50 Hz; 3 AC | More |
| Seam Range | 1.3-2.0 m (4.2-6.6 ft) 1.3-2.0 m (4.2-6.6 ft) | More |
| Typical Machine Length | 22.3 ft 6.8 m | More |
| Base Width | 51.18 in 1300.0 mm | More |
| Bearing Surface Base | 38.061 ft² 35360.0 cm² | More |
| Canopy Extension Length | 59.05 in 1500.0 mm | More |
| Canopy Width | 62.99 in 1600.0 mm | More |
| DA (Double Acting) Ram Stroke | 24.6 in 625.0 mm | More |
| Distance Roof Support Centers | 69.29 in 1760.0 mm | More |
| Height - Closed | 41.73 in 1060.0 mm | More |
| Height - Extended | 84.64 in 2150.0 mm | More |
| Leg Centers Distance - Vertical to Face | 1440/1660 mm (56.69 in/65.35 in) 1440/1660 mm (56.69 in/65.35 in) | More |
| Main Canopy Length | 166.93 in 4240.0 mm | More |
| Support Resistance (at Height 1600 mm/62.99 in) - Load at the End of Swivel Canopy | 14.5 psi 100.0 kN | More |
| Support Resistance (at Height 1600 mm/62.99 in) - Setting Load at 320 bar (4,641 psi) | 320.38 psi 2209.0 kN | More |
| Support Resistance (at Height 1600 mm/62.99 in) - Yield Load at 415 bar (6,019 psi) | 376.95 psi 2599.0 kN | More |
| Swivel Canopy Length | 59.05 in 1500.0 mm | More |
| Weight | 10.25 t 9.3 t | More |
| Conveyor System Length - Approximate | 328.0 ft 100.0 m | More |
| Miner - Typical Machine Length | 22.3 ft 6.8 m | More |
| Roof Support - Height Extended | 84.64 in 2150.0 mm | More |
| Weight - Total | 45.2 t 41.0 t | More |
| Minimum to Maximum Cut | 1.3 to 2.0 m (4.2 to 6.6 ft) 1.3 to 2.0 m (4.2 to 6.6 ft) | More |
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