Rock Drill
1) Fit for wet drilling in medium-hard or hard rock.
2) Grouped control mechanism,quick to start up, with “air on ,water on, air off,water off” mechanism,convenient to handle and easy to maintain and repair.
3) Energy-saving and efficient, long service life of parts, parts highly interchangeable and reliable performance.
4) OKYPdiffers form similar products particularly in its high efficiency, strong flushing and powerful torque.
| YO18 | JY20 | YT24 | ZY24 | YT28 | |
| Cylinder Diameter mm |
58 | 63 | 70 | 70 | 80 |
| Piston Strock mm |
45 | 55 | 70 | 70 | 60 |
| Air Consumption m3/min |
1.3 | 2 | 3 | 3 | 5 |
| Impacts HZ |
31 | 33 | 34 | 34 | 37 |
| Working Pressure Mpa(kg/cm2) |
0.4~0.6 | 0.4~0.6 | 0.4~0.6 | 0.4~0.6 | 0.4~0.6 |
| Water Pipe Inner Diameter mm |
19 | 19 | 19 | 19 | 25 |
| Traneal Inner Diameter mm |
8 | 8 | 8 | 13 | 13 |
| Length mm |
550 | 561 | 678 | 690 | 661 |
| Weight kg |
18 | 20 | 24 | 25 | 26 |
| Shank mm |
22*108 | 22*108 | 22*108 | 22*108 | 22*108 |
| FT180 | FT140 | FT140A | FT160B | |
| Length(Min.) mm |
1425 | 1672 | 1668 | 1800 |
| Propulsion Length mm |
950 | 1250 | 1339 | 1365 |
| Thrust kg |
100 | 140 | 150 | 160 |
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