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  1. Home
  2. Tool clamping technology
  3. Extensions

Extensions

Long, slim, clamping process-reliable.

The innovative SVL tool extensions from SCHUNK are designed and suitable for precise machining of hard-to-reach areas. They set benchmarks in regard to set-up times and costs. In no time the extensions can be clamped in almost every precision toolholder.

Our performance promise. Your benefits.

  • instead of expensive special toolholders, one single SVL extension is enough for being used in combination with different standard tools.
  • SVL extensions are suitable for TENDO, TRIBOS, and CELSIO toolholding systems.
  • All commercially available tool shank types can be clamped.
  • Using intermediate sleeves removes the need for expensive special tools.
  • Versatile application also in collet chuck systems.
    • Mounting diameter D5
    Please select
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    Filters
    Mounting diameter D5
    1 1/4" 2
    1/2" 2
    12 mm 19
    16 mm 7
    20 mm 24
    25 mm 11
    3/4" 12
    32 mm 17
    Weight [kg]
    0.08 14
    0.09 5
    0.19 3
    0.1 1
    0.15 1
    0.18 1
    0.186 1
    0.195 1
    0.198 1
    0.25 6
    0.2 1
    0.22 1
    0.26 1
    0.266 1
    0.27 1
    0.278 1
    0.29 1
    0.292 1
    0.35 5
    0.31 1
    0.318 1
    0.32 1
    0.33 1
    0.36 1
    0.39 1
    0.45 10
    0.4 2
    0.41 1
    0.55 8
    0.52 1
    0.65 2
    0.6 1
    0.7 1
    0.8 2
    0.85 1
    0.95 8
    0.9 2
    1.1 2
    L6 [mm]
    25 .. 50 3
    50 .. 100 9
    100 .. 150 6
    Technology
    ER Collet Chuck Extensions 3
    Heat Shrinking Extensions 34
    Hydraulic Extensions 12
    Polygon clamping extensions, coolant-proof 5
    Polygonal Extensions 40
    Overall length L [mm]
    100 .. 150 27
    150 .. 200 63
    > 200 4
    Max. clamping diameter [mm]
    7.0 1
    10.0 1
    13.0 1
    Clamping diameter D1
    0.5 mm 1
    1 mm 1
    1.5 mm 1
    1/2" 3
    1/4" 2
    1/8" 3
    10 mm 8
    12 mm 8
    14 mm 5
    16 mm 6
    18 mm 2
    2 mm 1
    2.5 mm 1
    20 mm 6
    3 mm 4
    3.5 mm 1
    3/16" 1
    3/4" 4
    3/8" 2
    4 mm 4
    4.5 mm 1
    5 mm 4
    5/16" 2
    5/8" 1
    6 mm 10
    8 mm 9
    Category
    Tool clamping technology 94
    Extensions 94
    TRIBOS SVL 40
    CELSIO SVL 34
    TENDO SVL 12
    TRIBOS-Mini SVL KD 5
    ER Mini SVL 3
    Toolholder interface
    SVL-1/2" 2
    SVL-12 12
    SVL-12 KD 5
    SVL-20 61
    SVL-3/4" 10
    SVL-32 4
    D6 [mm]
    8.0 2
    10.0 5
    14.0 7
    16.0 1
    17.0 1
    19.0 2
    20.0 6
    21.0 2
    22.0 2
    24.0 4
    25.0 1
    27.0 7
    29.0 6
    94 Results
    TENDO SVL

    TENDO SVL

    The TENDO SVL tool extension is designed for precise machining of difficult-to-access areas where low interfering contours are required.
    The TENDO SVL extensions ideally complement each other in connection with the TENDO hydraulic expansion toolholders or the TRIBOS-R and TRIBOS-S polygonal toolholders. Both systems have a damping effect on the entire system and reduce vibrations.
    Show series
    12 Variants
    TRIBOS-Mini SVL KD

    TRIBOS-Mini SVL KD

    The use of TRIBOS SVL extensions makes it possible to use standard cutting tools instead of expensive special tools. The extension with a run-out accuracy of < 0.003 mm and slim interfering contours can be used in combination with various SCHUNK toolholders. The TRIBOS SVL extensions ideally complement each other in connection with the TENDO hydraulic expansion toolholders or the TRIBOS-R polygonal toolholders. Available in two versions: coolant-proof up to 120 bar or with peripheral cooling.
    Show series
    5 Variants
    TRIBOS SVL

    TRIBOS SVL

    The use of TRIBOS SVL extensions makes it possible to use standard cutting tools instead of expensive special tools. The extension with a run-out accuracy of < 0.003 mm and slim interfering contours can be used in combination with various SCHUNK toolholders. The TRIBOS SVL extensions ideally complement each other in connection with the TENDO hydraulic expansion toolholders or the TRIBOS-R polygonal toolholders. Available in two versions: coolant-proof up to 120 bar or with peripheral cooling.
    Show series
    40 Variants
    CELSIO SVL

    CELSIO SVL

    The CELSIO heat shrinking extensions with optimized interfering contours offer the universal solution for individual, hard-to-access type of machining cases. The CELSIO program offers optimal versatility through the nearly unlimited number of combination possibilities of heat shrinking toolholders and heat shrinking extensions.
    Show series
    34 Variants
    ER Mini SVL

    ER Mini SVL

    The use of the ER mini SVL (SVL = clamping extension) enables cost-effective, simple, and purely mechanical clamping of standard machining tools.
    Its slim and optimized contour offers the ideal solution for individual and hard-to-reach machining cases.
    In addition, the extension can be combined with virtually any SCHUNK lathe chuck.
    Show series
    3 Variants
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