Milling Excavator Roadheader
The Milling Excavator Roadheader is equipped with quick coupler, and the bucket and milling head are interchangeable during rock tunneling. After blasting, the digging bucket is used to load the slag, realized the purpose of one machine for dual use.
The main hydraulic parts adopt a spur gear gearbox imported from Germany, which is driven by a high-torque hydraulic motor to ensure that the milling head can cope with more severe high-load working conditions. This machine is equipped with internal spray and high-pressure external spray device, which has good dust extinguishing effect.
Due to the large weight of the milling head, the whole machine adopts the design concept of super structural parts to ensure that the whole machine has sufficient weight, and the body is stable when cutting rocks, improving efficiency.
Our Milling Excavator Roadheader adopts the rotary table structure of the TBM, the quality is stable and reliable.
| Technical Parameters | Project | Unit | STX-100 | STX-120 | STX-260 |
| Dig milling head width | mm | 690 | 760 | 1000 | |
| Dig milling head diameter | r/min | 420 | 525 | 720 | |
| Dig milling head speed | L/min | 70-100 | 80-110 | 60-85 | |
| Traffic | mpa | 70-110 | 80-120 | 280-300 | |
| Work Pressure | N/M | 25/31.5 | 25-31.5 | 31.5 | |
| Distorted | kg | 4800 | 5200 | 23400 | |
| Weight | kw | ≈600 | ≈650 | 1850 | |
| Max power | mm | 45 | 55 | 180 | |
| Overall Dimension(LxWxH) | mm | 6800x1700x2150 | 7500x1900x2250 | 11000x2400x2250 | |
| Operating Range | Excavating Width | mm | 4200 | Standard arm: 5300 Short arms: 4800 |
6300 |
| Excavating Distance | mm | 1650 | 2200 | 3300 | |
| Excavating Height | mm | 3850 | Standard arm: 3300 Short arms: 2700 |
5600 | |
| Excavating Depth | mm | 500 | Standard arm: 700 Short arms: 400 |
1500 | |
| Uninstall Height | mm | 1700 (Can be heightened) | 1800(Variable) | 1900 (Can be heightened) | |
| Minimum Loading Height | mm | 1350 (Variable) | 1680 (Variable) | 1900 (Variable) | |
| Unloading Distance | mm | 1700 (Can be lengthened or shortened) | 2000 (Can be lengthened) | 2000 (Can be lengthened or shortened) | |
| Max.Rotation Angle | ° | ±45 | ±45 | ±50 |
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