This pneumatic air leg rock drill from DMININGWELL is a kind of rock drilling equipment with high impact energy and low air consumption, which is widely used in underground mines, railroad transportation, water conservancy and so on.
DMININGWELL rock drills have water flushing, lance rotation and push rod control located at the rear of the rock drill. An in-line lubricator is included in the delivery of each rock drill, as well as the appropriate push rods.
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Pneumatic Rock Drill With Air Leg |
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Technical Parameters |
YT28 |
YT27 |
YT29A |
YT24C |
YT24 |
Weight(kg) |
26 |
27 |
26.5 |
24 |
24 |
Length(mm) |
661 |
668 |
659 |
628 |
678 |
Air Pressure(Mpa) |
0.4-0.63 |
0.4-0.63 |
0.4-0.63 |
0.4-0.63 |
0.4-0.63 |
Impact Rate(Hz) |
≧37 |
≧39 |
≧39 |
≧37 |
≧31 |
Air consumption(L/S) |
≦81 |
≦86 |
≦88 |
≦80 |
≦67 |
Impact Energy(J) |
≧70J |
≧75J |
≧78J |
≧65J |
≧65J |
Cylinder*Stroke(mm) |
80*60 |
80*60 |
82*60 |
76*60 |
70*70 |
Air Pipe Diameter(mm) |
25 |
19 |
25 |
25 |
19 |
Shank Dimension(mm) |
22*108 |
22*108 |
22*108 |
22*108 |
22*108 |
Drilling Depth(m) |
5 |
5 |
5 |
5 |
5 |
Bit Diameter(mm) |
34-42 |
34-45 |
34-45 |
34-42 |
34-42 |
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- Brand Name: D miningwell
- Minimum Order Quantity: 1 set
- Packaging Details: Standard Export Packing
- Delivery Time: 7-10 days
- Payment Terms: L/C, T/T, Western Union
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Air rock drill is a rock drilling equipment with high impact energy, and lower air consumption. It is widely fitting for underground mine, railway traffic, water conservancy and so on.

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- 1). Strong impact energy
- 2). Energy saving and high efficiency
- 3). Wet drilling
- 4). Easy to operate
- 5). Low noise
- 6). Low vibration
- 7). Easy procurement of spare parts
- 8).Easy cleaning of air/water holes
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Extensive production experience:Â D Miningwell has been in the leading position of mining equipments with an experience of 20 years.
b. Complete production facilities: MININGWELL has its own drilling rig, DTH hammer, and drill pipe production workshops. Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.
Quality Control:Miningwell has a complete QC process, to ensure that the production sequence of the product obeys the specifications, and the parts are not damaged. Every equipment and drilling tool from Miningwell will undergo a strict factory inspection. Loading safety inspection: To ensure the safety of the goods in the container.
One-Stop Procurement Service: From underground rock drilling to open-pit DTH rock drilling to deep well drilling, MININGWELL's supply chain covers all outstanding rock drilling products in China and can provide one-stop services for global rock drilling companies.
Best after-sale service: D Miningwell's principle is to provide customers with both the most working-efficient and cost-efficient drilling solutions. 22 overseas service stations guarantee your after-sales service.
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Reform of shareholding cooperative system and establishment of Quxian Technology Mechanical Experiment Factory.
Moved to the Gaotang Road Science and Technology Park in Qujiang and became the first batch of high-tech manufacturers to settle in the high-tech park.
Changed the factory name to Quzhou Miningwell Machinery Factory to provide accessories for surrounding drilling rig factories.
Product pedigree and began market sales, expanding two production lines for drill pipes and DTH hammers.
Established Zhejiang Miningwell Supply Chain Management Co., Ltd and started the foreign trade journey.
Started independent research and development and production of HT series open-air DTH drill rigs.
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Our payment methods include credit card, L/C, T/T, Western Union, and we support shipping by air and by sea.
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Q: Are you a manufacturer, trading company or a third party?
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Q: What is the warranty period of our machines?
Q: Do you test all goods before delivery?
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https://www.dminingwell.cn/