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Air Leg Rock Drill



400 ~ 600 / Piece ( Negotiable ) Get Latest Price


400 per Piece

1 Piece



8000 Piece per Year

T/T, L/C, PayPal, Other

Rock Drill

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Product Description

High-efficient, energy-saved and environmental, a necessary tool and widely used in tunneling, highway, earthworks, water engineering, quarrying, mining and all kinds of rock drilling works, especially used for drilling blast hole in these fields.
Higher efficiency, more energy saved, lower noise and vibration, lighter weight, lower consumption, more convenient operation and repair, longer life parts, and easier handing, etc.
Application scope:
YT28 has a wide range of application. It is suitable for drilling horizontal and slant blast holes on the medium-hard and hard (f=8~18) rock. As well as that, it is also used to drill the hole of rock bolt on the roof. Blast hole diameter is usually φ34~45, and the effective depth can reach 5m.
YT28 Rock DrillTechnical Parameters
Name Unit Value
Weight Kg ≈26
Length mm 659
Cylinder Dia. mm 80
Piston stroke mm 60
Linear meter to first failure m ≥500
Air pipe inner Dia. mm 25
Water pipe inner Dia. mm 13
Drill rod Dia. mm 34~45
Shank dimensions (hex. × length) mm 22×108±1
YT28 Rock Drill Performance Parameters
Name Unit Value
Impact frequency Hz ≥35
Air consumption L/s ≤55
Impact energy J ≥63
Drill rod torque N·m ≥19
Drill rod RPM r/min ≥260
Drilling speed* Mm/min ≥400
Noise dB (A) ≤125
Note:* Testing was on the rock with hardness f=10~12.
Matched air leg: FT160BC(long), FT160BD(short).

FT160BC(long air leg),FT160BD(short air leg)
Name Unit FT160BC(long) FT160BD(short)
Air leg length mm 1800 1400
Pushing stroke mm 1365 965
Air cylinder Dia. mm 65 65
Air leg weight kg ≈16.9 ≈14.4
Operation and Maintenance
1. Before connecting the air pipe and water pipe with rock drill, please clean the foul and dirt in pipes to prevent dirt from getting into the machine, which may lead to mechanical abrasion.
2. Before starting the machine, please check reliability and flexibility of each part of machine carefully including motivator and working joint. The oiler should be filled with lubricating oil. Meanwhile, oilers should be adjusted to the appropriate oil pump capacity for guaranteeing the machine to work normally.
3. After finishing the assignment, please turn off the water pipe. In addition, the machine is better to work a little time in order to flush the rest of water and prevent rusting.
4. If the machine is always used, please pay more attention to maintaining and repairing, which should be inspected once per week at least. Please clean the dirt, change the damage parts in time to avoid mechanical fault.
5. If the machine needs to be stored for a long time after use, please disassemble, clean and unoil the machine, and store it in a cool dry place.
6. When the rock drill is used in coal mines, it is strictly prohibited to maintain and repair the whole or some parts of machine and accessories near job site or gas containing site.


Contact Us

Contact Person :Mr. Peicheng

Company:Shandong Tianrui Heavy Industry Co., Ltd

Address:Weizhou Road, Weifang, Shandong, China,


Mr. Peicheng < Shandong Tianrui Heavy Industry Co., Ltd >
I want to know:

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