Changsha ENYU Engineering Equipments Co. Ltd.
Changsha ENYU Engineering Equipments Co. Ltd.
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Portable Y24/ Y28/ YT24/ YT28 Pneumatic Rock Drill Air Leg Rock Drills
Introduction of Rock Drills:
Our pneumatic rock drills can be devided into two parts, one is hand-held rock drill, the other is air-leg rock drill. Both of them have excellent drilling performance.
For hand-held rock drills, we have Y6, Y20, Y19A Y24 and Y26. Among them, the Y6, Y20 and Y24 are widely used in quarrying or construction industry.
For air leg rock drills, we have YT23,YT24,YT26,YT27,YT28,YT29A.
YT28 Air-leg Rock Drill is a product that we developed, having advantages of all kinds of air-leg rock drills. Compared with other rock drills, YT28 adopts the latest designing technology, with the superiority of its high speed, low failure rate, durable wearing parts, low noise, and light weight. It is also efficient, energy saving and environmentally sound.
Specification of Rock Drills:
| Model No. | YO18 | Y19A | YO20 | Y24 | Y26 |
| Weight (kg) | 18 | 19 | 20 | 24 | 26 |
| Length (mm) | 550 | 600 | 561 | 604 | 650 |
| Cylinder Dia*Stroke (mm) | 58*45 | 65*54 | 63*55 | 70*70 | 65*70 |
| Working Pressure (Mpa) | 0.4~0.63 | ||||
| Impact energy (J) | ≥22 | ≥28 | ≥26 | ≥44.7 | ≥23 |
| Impanct frequency (Hz) | ≥32 | ≥28 | ≥33 | ≥27 | ≥30 |
| Air consumption (L/S) | ≤20 | ≤37 | ≤33 | ≤55 | ≤47 |
| Hose size (mm) | 19 | 19 | 19 | 19 | 19 |
| Rock drill hose diameter (mm) | 34~42 | 34~42 | 34~42 | 34~42 | 34~42 |
| Rock drill hose depth (m) | 5 | 5 | 5 | 5 | 5 |
| Shank size (mm) | 22x108 | 22x108 | 22x108 | 22x108 | 22x108 |
| Model No. | YT23 | YT24 | YT26 | YT27 | YT28 | YT29A |
| Weight (kg) | 24 | 24 | 26 | 27 | 28 | 27 |
| Length (mm) | 628 | 678 | 690 | 668 | 661 | 659 |
| Cylinder Dia*Stroke (mm) | 76*60 | 70*70 | 95*60 | 80*60 | 80*60 | 82*60 |
| Working Pressure (Mpa) | 0.4~0.63 | |||||
| Impact energy (J) | ≥65 | ≥65 | ≥64 | ≥75.5 | ≥70 | ≥78 |
| Impanct frequency (Hz) | ≥37 | ≥31 | ≥36.5 | ≥36.7 | ≥37 | ≥37 |
| Air consumption (L/S) | ≤78 | ≤67 | ≤55 | ≤83.3 | ≤81 | ≤88 |
| Hose size (mm) | 19 | 25 | 25 | 25 | 25 | 25 |
| Rock drill hose diameter (mm) | 34~42 | 34~42 | 34~42 | 34~42 | 34~42 | 34~42 |
| Rock drill hose depth (m) | 5 | 5 | 5 | 5 | 5 | 5 |
| Shank size (mm) | 22x108 | 22x108 | 22x108 | 22x108 | 22x108 | 22x108 |