|
Hammers |
Bit Shank | Connection Thread | Suitable bit | Working pressure | Air consumption | |
| 1-3" Middle-low pressure DTH hammers |
BR1 BR2 BR3 |
RD40 box
RD50 box API 2 3/8" Reg |
¢64-¢76mm ¢70-¢90mm ¢90-¢110mm |
0.7-1.75Mpa
0.7-1.75Mpa 0.7-1.75Mpa |
0.7Mpa | 4.5m3/min |
| 1.0Mpa | 4m3/min | |||||
| 1.4Mpa | 5m3/min | |||||
| 3" hammers |
DHD3.5
COP32/COP34 M30 |
API 2 3/8"Reg | ¢90-¢110mm | 1.0-1.5Mpa | 1.0Mpa | 4.5m3/min |
| 1.5Mpa | 9m3/min | |||||
| 4" hammers |
DHD340
COP44 QL40 SD4 M40 |
API 2 3/8"Reg | ¢105-¢130mm | 1.0-2.5Mpa | 1.0Mpa | 6m3/min |
| 1.8Mpa | 10m3/min | |||||
| 2.4Mpa | 15m3/min | |||||
| 5" hammers |
DHD350
COP54 QL50 SD5 M50 |
API 2 3/8"Reg/API 3 1/2"Reg | ¢130-¢156mm | 1.0-2.5Mpa | 1.0Mpa | 9m3/min |
| 1.8Mpa | 15m3/min | |||||
| 2.4Mpa | 23m3/min | |||||
| 6" hammers |
DHD360
COP64 QL60 SD6 M60 |
API 3 1/2"Reg | ¢152-¢203mm | 1.0-2.5Mpa | 1.0Mpa | 10m3/min |
| 1.8Mpa | 20m3/min | |||||
| 2.4Mpa | 28.5m3/min | |||||
| 8" hammers |
DHD380
COP84 QL80 SD8 |
API 4 1/2"Reg | ¢200-¢279mm | 1.0-2.5Mpa | 1.0Mpa | 15m3/min |
| 1.8Mpa | 26m3/min | |||||
| 2.4Mpa | 34m3/min | |||||
| 10" hammers |
SD10
NUMA100 |
API 6 5/8"Reg | ¢254-¢330mm | 1.0-2.5Mpa | 1.0Mpa | 22m3/min |
| 1.8Mpa | 40m3/min | |||||
| 2.4Mpa | 55m3/min | |||||
| 12" hammers |
DHD1120
SD12 NUMA120 NUMA125 |
API 6 5/8"Reg | ¢305-¢381mm | 1.0-2.5Mpa | 1.0Mpa | 30m3/min |
| 1.8Mpa | 56m3/min | |||||
| 2.4Mpa | 78m3/min | |||||
Xi 'an Nenda Machinery & Electrical Industry Co., Ltd. was established in 2011, is engaged in drilling machinery, pneumatic tools, hydraulic machinery professional manufacturing enterprises. The company is located in Zhenxing North Road, Fengjing Industrial Park, Xi 'an Huyi District, with an area of 20,000 square meters and a 7,000 square meters production plant. The company is equipped with nearly 100 sets of processing, R&D and testing equipment. We design , manufacture and sell the following products: pneumatic rock drill, pneumatic bolt drill, DTH impacter, DTH drill bit, DTH drill pipe, hydraulic jack and various accessories. The company has wealth scientific experience of research and production experience, using high-quality raw materials, advanced production technology and strict testing means, to produce excellent performance, quality products. According to different using scenarios, it can be used separately to drill rock; It can also be used with kinds of drilling wagons, drilling machines to drill rock operations; At the same time, drilling and anchoring can be carried out under various geological conditions.The products are widely used in open pit, underground mines, various large-scale infrastructure projects, as well as various drilling and anchoring projects.
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