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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
    Prev: YT27

    Next: YT29A
    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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