SPECIAL PURPOSE POWER CHUCKS

Power Chuck - Non-Thru-Hole - 3U/3U-K
Non-Thru-Hole3-JAW

3U/3U-K

Pull Lock Power Chuck

  • 3U: Pin-Arbor Draw Down type 3-jaw thru-hole power chuck.
  • 3U-K: Pin-Arbor Draw Down type 3-jaw non-thru-hole power chuck.
  • High radial gripping force and high accuracy.
  • Suitable for heavy machining.
  • 3U-K:Can work with the airtight detection device to perform axial position confirm, suitable for the precision of large length size process.

* Subject to technical changes.

  • Model Plunger stroke
    (mm)
    Jaw stroke
    (Dia.)
    (mm)
    Chucking Dia. Max. (mm) Chucking Dia. Min. (mm) Max. D.B. pull kN
    (kgf)
    Max.
    clamping force kN
    (kgf)
    Max. speed min-1(r.p.m.) I
    kg‧m2
    Weight (kg) Matching cyl. Max. pressure MPa (kgf/cm2)
    3U-203 4 2 42 14 5.8(590) 16.7(1700) 10000 0.001 1.8 RK-75(N) 1.6(16)
    3U-204 6 3 60 10 10.0(1020) 28.4(2900) 8000 0.005 3.9 RK-75(N) 2.7(27)
    3U-205 6 3 84 15 13.9(1420) 39.7(4050) 8000 0.012 6.8 RK-100(N) 2.0(20)
    3U-206 10 5 105 24 17.9(1830) 57.8(5900) 7000 0.055 14.7 RK-100(N) 2.6(26)
    3U-208 12 6 132 25 25.0(2550) 80.0(8150) 6000 0.14 25.5 RK-125(N) 2.2(22)
    3U-210 10 5 163 34 31.0(3160) 100.0(10100) 4500 0.36 43.5 RK-125(N) 3.1(31)
    3U-212 10 5 210 81 35.0(3570) 100.0(10100) 3600 0.68 63.0 RK-125(N) 3.1(31)
    3U-205K 6 3 84 15 13.9(1420) 39.7(4050) 8000 0.018 6.8 RL-100,RL-A100N 2.0(20)
    3U-206K 10 5 105 24 17.9(1830) 57.8(5900) 7000 0.055 14.9 RL-100,RL-A100N 2.5(25)
    3U-208K 12 6 132 25 25.0(2550) 80.0(8150) 6000 0.14 25.8 RL-125, RL-A125N 2.2(22)
    3U-210K 10 5 163 34 31.0(3160) 100(10100) 4500 0.36 44.0 RL-125, RL-A125N 3.1(31)
    3U-212K 10 5 210 81 35.0(3570) 100(10100) 3600 0.68 63.8 RL-125, RL-A125N 3.1(31)

    Model A B B1 C(H6) D E F F1(H8) G max. G min. H H1 H2 J K K1 L L1
    3U-203 85 54.5 42 70 54 3.5 25   18 14 22     38 M20x1.5   3~M8 11
    3U-204 110 72.5 55 85 70.6 4 30   16 10 24.5     42 M24x1.5   3~M10 12
    3U-205 135 84.5 63 110 82.6 4 35   16 10 26     50 M28x1.5   3~M10 15
    3U-206 168 118 80 140 104.8 5 45   20 10 31     60 M38x1.5   3~M10 16.5
    3U-208 210 137 92 170 133.4 5 52   21 11 31     80 M48x2   3~M12 18
    3U-210 254 152 102 220 171.4 5 75   25 15 37     105 M68x2   3~M16 23
    3U-212 304 157 102 220 171.4 5 100   25 15 37     135 M92x2   3~M16 26
    3U-205K 135 84.5 63 110 82.6 4 35 14 16 10 42 12 - 50 M25X1.5 22 M10 15
    3U-206K 168 118 80 140 104.8 5 45 14 20 10 48 12 30 60 M28X1.5 24 M10 16.5
    3U-208K 210 137 92 170 133.4 5 52 16 21 11 51 15 30 80 M35X1.5 30 M12 18
    3U-210K 254 152 102 220 171.4 5 75 16 25 15 51 15 30 105 M38X1.5 34 M16 23
    3U-212K 304 157 102 220 171.4 5 100 16 25 15 51 15 30 135 M45X1.5 40 M16 26

    Model M N P Q max. Q min. R S T T1 U(H6) V W max. W min. X
    3U-203 12 26 M5 7.5 6.5 38 15 10   32 3.5 2 -2 M3
    3U-204 17 40 M6 10.75 9.25 46 20 10   38 4 3 -3 M4
    3U-205 20 41.5 M8 13.25 11.75 55 24 10   45 5 3 -3 M5
    3U-206 30 50 M10 15.75 13.25 72 30 17   58 6 5 -5 M5
    3U-208 34 63 M12 16.25 13.25 82 35 17   68 6 5 -7 M6
    3U-210 39 74 M14 20.75 18.25 107 40 17   93 6 5 -5 M8
    3U-212 44 74 M14 44.25 41.75 130 40 17   114 6 5 -5 M10
    3U-205K 20 41.5 M8 13.25 11.75 55 24 25 15.5 45 5 3 -3 M5
    3U-206K 30 50 M10 15.75 13.25 72 30 30 26.5 58 6 5 -5 M5
    3U-208K 34 63 M12 16.25 13.25 82 35 30 32.5 68 6 5 -7 M6
    3U-210K 39 74 M14 20.75 18.25 107 40 30 36.5 93 6 5 -5 M8
    3U-212K 44 74 M14 44.25 41.75 130 40 30 36.5 114 6 5 -5 M10
  • DOWNLAOD

    You can download the outline drawing (in pdf or dwg format) and 3D step here. If you need more information, please contact AUTOGRIP. Thank you.
    Autogrip’s email: sales@autogrip.com.tw

AUTOGRIP MACHINERY CO., LTD.

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  • Tel: +886-4-822-8719
  • / Fax: +886-4-823-5719
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