Our company produce varied kind of high pressre , low pressure down-the-hole hammer which if widely used in mining and quarry proiects.
"JEAO"Brand hammer uses excellent material and advanced technic to insure steady quality and reliable actions for its products.
The strict management, perfect examination helps Zhengzhou Jeao Heavy Industry Machinery Equipment Co.,Ltd. to insure good quality products and well-know service for domestic and overseas marks.
Both domestic and foreign customers are welcome to establish business relationship with us .
Used for :
Apply for mine, quarry ,road building project , such as hole drilling and blasting, slope protection and landslide ,dam reinforcement, anchoring engineering hole ,heat source of air conditioning, water holes, etc.
HD45A Technical Paramter for hammer :
| Wieght | 43.20 Kg |
| Overall Length | 1011 mm |
| Outside dia. of hammer | dia.99mm |
| Matching drill bit's bit shank | Cop44 ,DHD340 |
| Dill scope | Dia.110-135 mm |
| Hole Range | API2 3/8"Reg |
| Work pressure | 1.0-2.5Mpa |
| Impact rate in 1.5Mpa | 30 Hz |
| Recommend drilling rate | 22-35r/min |
| Air comsumption | 1.0Mpa / 6m3/min |
| 1.8Mpa / 10m3/min |
| 2.4Mpa / 15m3/min |
HD45A Hammers' Replacement Parts :
| Parts name | weight (kg) | Part model |
| 1. Top Sub | 6.50 | HD45A01 |
| 2. O-ring of Tpo Sub | 0.01 | HD45A02 |
| 3. Check Valve | 0.35 | HD45A03 |
| 4. Spring | 0.05 | HD45A04 |
| 5. Rigid Valve | 1.50 | HD45A05 |
| 6. Inner Cylinder | 2.10 | HD45A06 |
| 7. Piston | 8.50 | HD45A07 |
| 8. External Cylinder | 15.20 | HD45A08 |
| 9. Guided Sleeve | 1.30 | HD45A09 |
| 10.O-ring of Top Ring | 0.01 | HD45A10 |
| 11.Stop ring | 0.30 | HD45A11 |
| 12.Drive Chuck | 4.40 | HD45A12
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