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| specifications for st-1 core drilling machine | |||
| drill machine | |||
| drilling depth | 100m | ||
| drilling rod dia. | 42mm | ||
| initial hole dia. | 110mm | ||
| final hole dia. | 75mm | ||
| drilling angle | 90 °~75 ° | ||
| drill weight | 480kg | ||
| dimensions | 1960*850*1340mm | ||
| spindle | spindle | ||
| spindle speed | 64. 128. 287. 557r/min | ||
| spindle stroke | 450mm | ||
| hoist | |||
| max.single line hoisting capacity | 2000kg | ||
| reel lifting speed | 17. 35. 75. 151r/min | ||
| reel caliber | 140mm | ||
| tightrope caliber | 12.5mm | ||
| tightrope cubic measure | 35mm | ||
| hug floodgate caliber | 245mm | ||
| hug floodgate belt width | 70mm | ||
| distance between drill and hole | 400mm | ||
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