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                      Products >> Rock Drill

                      YT28 Air-leg Pneumatic Rock Drill

                      YT28 Air Leg Pneumatic rock drill machine is a kind of new-style and high efficiency air leg rock drill machinery.
                      It is generally used for mine tunnel excavation and other blasting holes and also drilling works in metallurgy, coal mine, railway construction, traffic, water conservancy construction and National defense quarries project

                      Product Model YT28
                      Weight (kg) ≈26
                      Machine Length (mm) 661
                      Cylinder diameter(mm) 80
                      Piston stroke  (mm) 60
                      Working air pressure(MPa) 0.4            0.5           0.63
                      Impact frequency (Hz) ≥28           ≥35           ≥36
                      Impact energy (J) ≥44            ≥63          ≥70
                      Air consumption (L/s) ≤52            ≤58          ≤82
                      Torque (N.m) ≥15             ≥19          ≥23
                      Drilling speed (mm/min) ≥250            ≥400         ≥470
                      Noise (dB(A)) ≤124             ≤125        ≤127
                      Average linear meter before first time fault (m) ≥400
                      Quality assurance in meters(m) ≥300
                      Air pipe inner diameter (mm) 25
                      Water pipe inner diameter (mm) 13
                      Bore diameter  (mm) 34~42
                      Max bore depth (m) ≥3
                      Shank size  (mm) H22x108±1
                      FY200B or FY200C  oil lubricator
                      Weight  (kg) 1.02
                      Oil capacity(ml) 200
                      Air leg FT160BD(short air leg) FT160BC (long air leg)
                      Weight (kg) ≈14.4 ≈16.9
                      Length(mm) 1400 1800
                      Propulsion stroke (mm) 965 1365
                      Cylinder inner diameter (mm) 65 65
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                      About us
                        Beijing Tengyue Technology Co., Ltd is a big high-tech integrated enterprise, which mainly on R&D inclinometer. It possesses excellent equipment and a number of specialists and technicians .Our company consistently keeps API and ISO as the standard and puts it into practice.
                         Our main products include electronic single shot inclinometer, electronic multishot inclinometer, photographic single shot inclinometer and MWD. We will provide users with overall solutions according to different requirement on site.
                         At the same time, we are trading the relative oil and gas ......[More]
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