Model NO.: HFG-21
Working Pressure: 14.5 MPa
Hole Range: 80-100mm
DTH Hammer: 3.5′′ Standard
Hole Depth (Max): 25m
Drill Pipe Length: 3,000mm
Drill Pipe Dia: 60mm
Tramming Speed: 2/3.2km/Hr 2speed
Rotation Speed (Max): Low:75rpm High:110rpm
Rotation Torque: 1450n.M
Weight: 7000kg
Trademark: HANFA
Transport Package: International Standard
Specification: CE, ISO
Origin: Zhengzhou City China
high speed deep hole drilling machine(HFG-21)Main Features:
1.Standard equipped with Yuchai YC6A 180Z diesel engine and 10 m³/14.5 Mpa screw air compressor on board with 3 m drill rod ofφ60 mm. Standard equipped with dry dust collector.
2.All structural parts reinforced.
3.The rotation unit driven by cycloid motor for more compact structure and low failure rate. Torque improved for larger hole range drilling.
4.Fast and low speed switchable for feeding, lifting and rotation to improve drill pipe change efficiency.
5.New enclosure design for better appearance and convenient for maintenance and service.
6.Equipped with high efficiency dry dust collector for dust free drilling to be more friendly environment and energy saving.
7.Standard equipped with plunger piston motor and national standard engineering machinery tramming track for greater climb ability, more reliable quality and higher tramming efficiency.
 Parameter Data:
| Working Pressure | 14.5 Mpa |
| FAD | 10m³/min |
| Hole Range | 80-100mm |
| DTH Hammer | 3.5'' Standard |
| Hole Depth (Max.) | 25m |
| Drill Pipe Length | 3000mm |
| Drill Pipe Dia | Φ60 |
| Climb Ability | 25º |
| Tramming Speed | 2/3.2km/hr   2speed |
| Rotation Speed | low:75rpm   high:110rpm |
| Rotation Torque | 1450N.m |
| Weight | 7000kg |
| Dimensions | 5950×2450×2830mm |
| Power Pack | Diesel Engine Yucai YC6A180Z |
| Dry Dust Collector | Standard |
| Dual Speed Motor | Standard |
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