2020 Hot Selling Yt29A Rock Drill for Mine Tunnel Drilling Operation

YT29A air-legged rock drills are heavy-duty push-leg (air-legged) rock drills with low energy consumption, which are more suitable for drilling horizontal or inclined holes in medium-hard and hard (f=8-18) rocks, as well as drilling anchor holes upwards or downwards. It can be used with FT160A (or FT160B, 160C) according to the size of the roadway section and operating conditions, and can also be used with the drill truck or drill frame for dry or wet rock drilling. In addition, our company provides all YT29A rock drill parts as follows: piston, rotating sleeve, spiral rod, brass nut, valve set, ratchet, tower spring, manipulation valve, shank body, cylinder body, main body, brazing sleeve, brazing card, brazing card bolt, oiler, water injection valve body, fastening pin, ratchet pawl, air pipe nut, air pipe elbow, water needle, etc.Product Description1,More output power2,Rock drilling speed is faster3,Super strong lubrication system to ensure the long time operation of movement parts4,The whole machine has optimized design, the impact energy and impact frequency have reached an excellent match, it is your ideal rock drilling tool.5,Gas and water linkage, quick return of the gas leg, air pressure adjustment and other institutions.6,Control handle centralized with Back head, the mechanism is novel and convenient to operate, the muffler cover can effectively reduce the noise and change the direction of discharge at will to improve the working conditions in the field.Field operating conditionsApplication areas:Mining, traffic, tunnels, water conservancy construction, quarries and other workProduct ParametersSPECIFICATIONS for YT series pneumatic rock drilling machine with air leg Model YT28 YT27 YT29A YT24C TY24 Weight 26kgs 27kgs 26.5kgs 24kgs 24kgs Length 661mm 668mm 659mm 628mm 678mm Air pressure 0.4-0.63Mpa 0.4-0.63Mpa 0.4-0.63Mpa 0.4-0.63Mpa 0.4-0.63Mpa Impact frequency >=37HZ >=39HZ >=39HZ >=37HZ >=31HZ Air consumption =65J Cylinder*stroke 80mm*60mm 80mm*60mm 82mm*60mm 76mm*60mm 70mm*70mm Air pipe diameter 25mm 19mm 25mm 25mm 19mm Shank dimension 22*108mm 22*108mm 22*108mm 22*108mm 22*108mm Drilling depth 5m 5m 5m 5m 5m Bit diameter 34-42mm 34-45mm 34-45mm 34-42mm 34-42mm Before using the YT29A rock drill1,Check the integrity and rotation of all parts (including rock drill, bracket, or rock drill cart) before drilling, fill necessary lubricant, and check whether the wind and waterways are smooth and whether the connection joints are firm.2,Knock on the roof near the working face, i.e. check whether there are live rocks and loose rocks on the roof and second gang near the working face, and make necessary treatment.3, the working surface of the flat shell hole location, is to be pounded flat in advance before allowing rock drilling, to prevent slippage or shell hole displacement.4. It is strictly forbidden to drill dry eyes, and we should insist on wet rock drilling, turn on the water first and then the wind when operating, and turn off the wind and then the water when stopping drilling. When opening the hole, run at low speed first, and then drill at full speed after drilling to a certain depth.5,No gloves are allowed to be worn by the drillers when drilling.6,When using the air leg to drill the hole, pay attention to the standing posture and position, never rely on the body to pressurize, let alone stand in front of the rock drill under the work brazing rod, to prevent injury from broken brazing.7,If abnormal sound and abnormal water discharge are found in rock drilling, stop the machine for inspection and find out the reason and eliminate it before continuing to drill.8,When withdrawing from the rock drill or replacing the brazing rod, the rock drill can run slowly and pay attention to the position of the rock drill braze. Detailed PhotosCompany Profile FAQ1.How do your prices compare to the manufacturer/factory?  We are the main distributor of major construction machinery manufacturers/factories in China and keep getting the best dealer prices. From the comparison and feedback from many customers, our price is even more competitive than the factory/factory price.2.How is the delivery time?  In general, we can deliver ordinary machines immediately to our customers within 7 days, as we have various resources to inspect stock machines, locally and nationwide, and receive machines in a timely manner. But it takes more than 30 days for a manufacturer/factory to produce an order machine.3.How often can you respond to customer inquiries?  Our team is made up of a group of hardworking and dynamic people who work around the clock to respond to customer inquiries and questions. Most issues can be successfully resolved within 8 hours, while manufacturers/factories take longer to respond.4.Which payment methods can you accept? Usually we can use wire transfer or letter of credit, and sometimes DP. (1) Wire transfer, 30% deposit in advance, 70% balance pa