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The roadheader is a machine used to dig a tunnel on straight ground.
There are many types of roadheaders and it can be divided into ordinary machines and tunnel boring machines. Depending on the objects of operation, it can be divided into open boring machines and boring shield machines.
| hard rock road header MKEBH120 |
| Max. tunneling height 3.89m Max. positioning tunneling width 5.56m tunneling section shape arbitrary Economic cutting section 8-22 M 2 gradeability +/-16° compression strength individually when cutting coal petrography ≤ 60MPa dimensions(L, W, H) 9.1x2.1x1.6m production ability 3 m³ /min distance from body bottom to ground 250mm distance of cutting head getting into earth 250mm distance from body top to ground 350mm power 195kw weight 36T pulling force 170KN cutting mechanism form of cutting head vertical axis cutting head (diameter x height) Φ 700x1350 Φ 800x1500 rotate speed 74r/min gear cutting form pickaxe type cutting bits number 62 the power rating of cutting motor 120kw (132KW) loading mechanism loading capacity 180m³ /H rated pressure of loading motor 16MPa power rating of conveying machine motor 16MPa the distance from the top of the shovel board to the ground when ituplift 250mm dinting of the shovel board tip 220mm width of shovel board 2.5m rotary speed of star wheel 35r/min conveyor form Edge double chain scraper chain speed 1.2m/s speed of running 3.2/6.4m /min average grounding specific pressure 0.14MPa crawler belt width 500mm braking form friction clutch pump station power 75kw rated pressure 16MPa Tank capacity 600L Dust extinguishing form outer spray pressure of out spray ≥ 1.5MPa working voltage AC 1140V/660V total power 215KW Operation box explosion-proof form flame-proof The electric controlling box explosion-proof form The flame-proofand essential securityform |
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