• Professional Roller Cutter
    Disigner & Manufacturer

  • Professional Roller Cutter
    Disigner & Manufacturer

  • Professional Roller Cutter
    Disigner & Manufacturer

  • Professional Roller Cutter
    Disigner & Manufacturer

  • Professional Roller Cutter
    Disigner & Manufacturer

贯通式返循环

型号 TOSI440 TOSI450 TOSI460 TOSI480 TOSI450 TOSI460 TOSI480
钻孔直径 (mm) Φ90~105 Φ110~130 Φ135~155 Φ160~200 Φ200~254 Φ254~311 Φ311~360
长度 (mm) 1143 1281 1292 1345 1578 1440 1430
外径 (mm) Φ85 Φ105 Φ124 Φ154 Φ190 Φ250 Φ270
中心孔直径 (mm)
Φ33 Φ36 Φ36 Φ61 Φ61 Φ75 Φ85
工作气压 (MPa) 0.7~2.1 0.7~2.1 0.8~2.1 0.8~2.1 0.8~2.1 0.8~2.4 0.8~2.4
耗气量 (m3/min) 4.2~11.7 5.7~14.2 6.5~19.3 9~18 12~30.8 15~34 20~37.8
扭矩 (N·m) 475 600 791 950 1040 1260 1250
冲击频率 (次/分) ≥800 ≥800 810~1200 600~1100 660~1208 600~1230 600~1150
与钻杆
联接方式
Inner API 2-3/8" Inner API 2-7/8" Inner T 91-3 Inner API 4-1/2" Inner API 4-1/2" Inner API 4-1/2" Inner API 4-1/2"
可配钻头钎柄 TOSIF335-95/100 TOSIF345-115/127 TOSIF355-140/152 TOSIF365-165/178/195 TOSIF385-203/216
/230/254
TOSIF3105-245/273/305 TOSIF3125-311/355/381