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CKT Pneumatic was founded in 2002 and officially registered the CKT brand in 2005.

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CU/CUK Series Free Mount Cylinder

Home / Products / Air Cylinder / Free Mount Cylinder / CU/CUK Series Free Mount Cylinder

CU/CUK Series Free Mount Cylinder
  • CU/CUK Series Free Mount Cylinder
Free Mount Cylinder

CU/CUK Series Free Mount Cylinder

CU/CUK Series Free Mount Cylinder is a modular free-mount cylinder that achieves highly flexible mechanical integration through structural optimization. Its design focuses on simplifying the installation process and adapting to multiple working conditions, and is suitable for precision motion control requirements under dynamic load scenarios.

Core Features
▸ Structural freedom: The body provides multi-axial fixed interfaces, supports non-standard installation postures, and eliminates adapter components;

▸ Lightweight and compact structure: The low-inertia body design significantly reduces system load and optimizes space utilization;

▸ Multiple specification options: Covers a wide range of cylinder diameters and stroke combinations, adapting to differentiated load and displacement scenarios;

▸ High stability guide: One-piece precision-ground piston rod guide structure to achieve oil-free long-term and stable operation;

▸ Built-in sensor system: The embedded packaging design of the magnetic coupling switch eliminates the risk of external interference and integrates positioning feedback.

E-mail: manager@cktworld.com
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  • Bore size(mm) 6 10 16 20 25 32
    Fluid Air
    Action       Double acting
    Single acting:Spring return/extend
    Max.Operating Pressure 0.7MPa
    Min.
    Operating
    Pressure
      (MPa)    		 Double
    acting    		 Single pole 0.12 0.06 0.05
    Double rod, non-rotating rod, pneumatic cushioning 0.15 0.1 0.08
    Non-rotating double rod type 0.18 0.13 0.11
    Single
    acting    		 Standard 0.2 0.15 0.13
    Non-rotating rod 0.23 0.18 0.16
    Ambient And Fluid Temperature With auto switch:-10~60℃,Without auto switch:-10~70℃
    Cushion Both ends rubber bumper
    Piston Speed 50~500mm/s
    Stroke Length Tolerance(mm) 1
    Lubrication Not required
    Mounting Free mount(several mounting slot)
    Rod non-rotating Accuracy ±0.8° ±0.5°
    Port Size M5×0.8 45665
    *If oiling is required, please use Turbine Oil No. 1 ISOVG32.

  • StrokelAuto Switch Model
    Bore
    size
    (mm)    		 Standard Stroke (mm) Long stroke
    (double acting)
    *Auto Switch Model
    (direct mount)
    Double acting Single acting
    6 5,10,15,
    20,25,30    		 5,10,15 40         .            50                     .         60 M9N
    M9B
    M9P
    10
    16
    20 5,10,15,20,
    25,30,40,50    		 60,70
    80,90
    100
    25
    32
    Wire length marking: No marking - 0.5 m, L - 3 m, Z - 5 m Example: M9N, M9NL

  • Dimension
    Model A A' B C ØD E GA GB J K L MM NN ØP Q R ØT
    C-C□ U6 7 - 13 22 3 7 15 10 10 17 - M3×0.5 M3×0.5
    Deep5    		 3.2 - 7 6deep4.8
    C-C□ U10 10 - 15 24 4 7 16.5 10 11 18 - M4×0.7 M3×0.5 Deep5 3.2 - 9 6deep5
    C-C□ U16 11 12.5 20 32 6 7 16.5 11.5 14 25 5 M5×0.8 M4×0.7 Deep6 4.5 4 12 7.6deep6.5
    C-C□ U20 12 14 26 40 8 9 19 12.5 16 30 6 M6×1.0 M5×0.8 Deep8 5.5 9 16 9.3deep8
    C-C□ U25 15.5 18 32 50 10 10 21.5 13 20 38 8 M8×1.25 M5×0.8Deep8 5.5 9 20 9.3deep9
    C-C□ U32 19.5 22 40 62 12 11 23 13 24 48 10 M10×1.25 M6×1.0Deep9 6.6 13.5 24 11deep11.5
    Double Acting Dimension
    Model H Basic Type Built-in Magnet
    S Z W S' Z'
    C-C□ U6-□ D 13 33 46 2.5 33 46
    C-C□ U10-□ D 16 36 52 1 36 52
    C-C□ U16-□ D 16 30 46 0 40 56
    C-C□ U20-□ D 19 36 55 1 46 65
    C-C□ U25-□ D 23 40 63 -1 50 73
    C-C□ U32-□ D 27 42 69 -4 52 79
    Single Acting(Spring Return) Dimension
    Model H Basic Type Built-in Magnet
    S Z W S' Z'
    5st 10st 15st 5st 10st 15st 5st 10st 15st 5st 10st 15st
    C-C□ U6-□ S 13 38 43 48 51 56 61 2.5 38 43 48 51 56 61
    C-C□ U10-□ S 16 41 46 56 57 62 72 1 41 46 56 57 62 72
    C-C□ U16-□ S 16 35 40 50 51 56 66 0 45 50 60 61 66 76
    C-C□ U20-□ S 19 41 46 56 60 65 75 1 51 56 66 70 75 85
    C-C□ U25-□ S 23 45 50 60 68 73 83 -1 55 60 70 78 83 93
    C-C□ U32-□ S 27 47 52 62 74 79 89 -4 57 62 72 84 89 99
    Single Acting(Spring Extend) Dimension
    Model H Basic Type Built-in Magnet
    S Z W S' Z'
    5st 10st 15st 5st 10st 15st 5st 10st 15st 5st 10st 15st 5st 10st 15st
    C-C□ U6-□ T 18 23 28 38 43 48 56 66 76 2.5 38 43 48 56 66 76
    C-C□ U10-□ T 21 26 31 41 46 56 62 72 87 1 41 46 56 62 72 87
    C-C□ U16-□ T 21 26 31 45 50 60 66 76 91 0 45 50 60 66 76 91
    C-C□ U20-□T 24 29 34 41 46 56 65 75 90 1 51 56 66 75 85 100
    C-C□ U25-□ T 28 33 38 45 50 60 73 83 98 -1 55 60 70 83 93 108
    C-C□ U32-□T 32 37 42 47 52 62 79 89 104 -4 57 62 72 89 99 114

    Dimension
    Model A A' B C ØD E F FL FK FY GA GB H J K L MM NA NB NN ØP Q R ØT U Y K1
    C-C□ UK6 7 - 13 22 3 7 8 9 11 20.5 15 10 18 10 17 - M3×0.5 6 14 M3×0.5deep5 3.4 - 7 6deep4.8 10 10.5 M3
    C-C□ UK10 10 - 15 24 4 7 8 12 12 22 16.5 10 21 11 18 - M4×0.7 7 15 M3×0.5deep5 3.4 - 9 6deep5 10.5 11.5 M3
    C-C□ UK16 11 12.5 20 32 6 7 8 17 13 28 16.5 11.5 26 14 25 5 M5×0.8 6 18 M4×0.7deep6 4.5 4 12 7.6deep6.5 12.5 15.5 M4
    C-C□ UK20 12 14 26 40 8 9 8 20 16 33 19 12.5 29 16 30 6 M6×1.0 8 20 M5×0.8deep8 5.5 9 16 9.3deep8 13.5 19.5 M4
    C-C□ UK25 15.5 18 32 50 10 10 10 22 20 43.5 21.5 13 33 20 38 8 M8×1.25 10 28 M5×0.8deep8 5.5 9 20 9.3deep9 19 24.5 M5
    C-C□ UK32 19.5 22 40 62 12 11 12 29 24 51.5 23 12.5 42 24 48 10 M10×1.25 12 32 M6×1.0deep9 6.6 13.5 24 11deep11.5 21 30.5 M5
    Double Acting Dimension
    Model H Without Auto
    Switch    		     Built-in
    Magnet Switch
    S Z W S' Z'
    C-C□ UK6-□D 18 33 51 2.5 33 51
    C-C□ UK10-□D 21 36 57 1 36 57
    C-C□ UK16-□D 26 30 56 0 40 66
    C-C□ UK20-□ D 29 36 65 1 46 75
    C-C□ UK25-□D 33 40 73 -1 50 83
    C-C□ UK32-□D 42 42 84 -4 52 94
    Single Acting(Spring Return) Dimension
    Model H Without Auto Switch Built-in Magnet Switch
    S Z W S Z'
    5st 10st 15st 5st 10st 15st 5st 10st 15st 5st 10st 15st
    C-C□ UK6-□ S 18 38 43 48 56 61 66 2.5 38 43 48 56 61 66
    C-C□ UK10-□ S 21 41 46 56 62 67 77 1 41 46 56 62 67 77
    C-C□ UK16-□ S 26 35 40 50 61 66 76 0 45 50 60 71 76 86
    C-C□ UK20-□ S 29 41 46 56 70 75 85 1 51 56 66 80 85 95
    C-C□ UK25-□ S 33 45 50 60 78 83 93 -1 55 60 70 88 93 103
    C-C□ UK32-□ S 42 47 52 62 89 94 104 -4 57 62 72 99 104 114
    Single Acting(Spring Extend) Dimension
    Model H ØT U Y Without Auto Switch Built-in Magnet Switch
    S Z W S' Z'
    5st 10st 15st 5st 10st 15st 5st 10st 15st 5st 10st 15st 5st 10st 15st
    C-C□ UK6-□T 23 28 33 6Deep4.8 10 10.5 38 43 48 61 71 81 2.5 38 43 48 61 71 81
    C-C□ UK10-□T 26 31 36 6Deep5 10.5 11.5 41 46 56 67 77 92 1 41 46 56 67 77 92
    C-C□ UK16-□T 31 36 41 7.6Deep6.5 12.5 15.5 45 50 60 76 86 101 0 45 50 60 76 86 101
    C-C□ UK20-□ T 34 39 44 9.5Deep8 13.5 19.5 41 46 56 75 85 100 1 51 56 66 85 95 110
    C-C□ UK25-□T 38 43 48 9.5Deep9 19 24.5 45 50 60 83 93 108 -1 55 60 70 93 103 118
    C-C□ UK32-□T 47 52 57 11Deep11.5 21 30.5 47 52 62 94 104 119 -4 57 62 72 104 114 129