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Double Start Flexure DS Series - Aluminum, Integral Clamp

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Low inertia, high performance, aluminum coupling, using Helical double start technology. Torsionally stiffer and higher torque capacity than the “A“ series. Lighter with lower inertia than the “H” series.

Typical Applications
For high speed motion control systems, where fast response time is important. E.g., lead and ball screws, encoders/ resolvers, and anywhere high torsional stiffness is required.

Misalignment Compensation
3° angular, .010 inch parallel offset, .008 inch axial motion

Features
  • High torsional stiffness
  • Low radial loads
  • Parallel misalignment capability
  • Low inertia

    The DS Series was designed for today’s high performance motion control systems. This Series incorporates two helical beams (double start) in each of two separate HELI-CAL Flexures (double flexure), combining greater end-to-end rotational accuracy with radial flexibility in one design. Available only with integral clamp attachments, the DS series provides the high torsional stiffness and low inertia necessary for positioning devices, servo motors and lead screws.

    The DS Series also provides you with substantial .010-inch parallel offset capability, reducing the need for high-precision alignment during assembly operations. It’s your ticket to greater system accuracy and reliability. Available only in 7075-T6 aluminum.

    Metric fasteners available on request


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      Results 1 - 25 of 31 1 2 

    Item #

    D Outside Diameter

    D Outside Diameter 

    L Length

    Size Bore Diameter

    Major Bore Diameter

    Minor Bore Diameter (1/32in)

    Momentary Dynamic Torque

    DSAC075-6-6 0.750 in 3/4 in 1.250 in 0.188 in
    4.78
    mm
    6.00 mm 6.00 mm 14.0 lb·in
    DSAC075-8-6 0.750 in 3/4 in 1.250 in 0.250 in
    6.35
    mm
    8.00 mm 6.00 mm 12.0 lb·in
    DSAC075-8-8 0.750 in 3/4 in 1.250 in 0.250 in
    6.35
    mm
    8.00 mm 8.00 mm 12.0 lb·in
    DSAC100-10-10 1.000 in 1 in 1.500 in 0.313 in
    7.95
    mm
    10.00 mm 10.00 mm 29.0 lb·in
    DSAC100-10-8 1.000 in 1 in 1.500 in 0.313 in
    7.95
    mm
    10.00 mm 8.00 mm 29.0 lb·in
    DSAC100-12-10 1.000 in 1 in 1.500 in 0.375 in
    9.53
    mm
    12.00 mm 10.00 mm 25 lb·in
    DSAC100-12-12 1.000 in 1 in 1.500 in 0.375 in
    9.53
    mm
    12.00 mm 12.00 mm 25 lb·in
    DSAC100-12-8 1.000 in 1 in 1.500 in 0.375 in
    9.53
    mm
    12.00 mm 8.00 mm 25 lb·in
    DSAC100-8-8 1.000 in 1 in 1.500 in 0.250 in
    6.35
    mm
    8.00 mm 8.00 mm 31 lb·in
    DSAC125-10-10 1.250 in 1 1/4 in 1.750 in 0.313 in
    7.95
    mm
    10.00 mm 10.00 mm 61 lb·in
    DSAC125-12-10 1.250 in 1 1/4 in 1.750 in 0.375 in
    9.53
    mm
    12.00 mm 10.00 mm 58 lb·in
    DSAC125-12-12 1.250 in 1 1/4 in 1.750 in 0.375 in
    9.53
    mm
    12.00 mm 12.00 mm 58 lb·in
    DSAC125-16-10 1.250 in 1 1/4 in 1.750 in 0.500 in
    12.70
    mm
    16.00 mm 10.00 mm 47.0 lb·in
    DSAC125-16-12 1.250 in 1 1/4 in 1.750 in 0.500 in
    12.70
    mm
    16.00 mm 12.00 mm 47.0 lb·in
    DSAC125-16-16 1.250 in 1 1/4 in 1.750 in 0.500 in
    12.70
    mm
    16.00 mm 16.00 mm 47.0 lb·in
    DSAC125-20-10 1.250 in 1 1/4 in 1.750 in 0.625 in
    15.88
    mm
    20.00 mm 10.00 mm 35 lb·in
    DSAC125-20-12 1.250 in 1 1/4 in 1.750 in 0.625 in
    15.88
    mm
    20.00 mm 12.00 mm 35 lb·in
    DSAC125-20-16 1.250 in 1 1/4 in 1.750 in 0.625 in
    15.88
    mm
    20.00 mm 16.00 mm 35 lb·in
    DSAC125-20-20 1.250 in 1 1/4 in 1.750 in 0.625 in
    15.88
    mm
    20.00 mm 20.00 mm 35 lb·in
    DSAC150-12-12 1.50 in 1 1/2 in 2.250 in 0.375 in
    9.53
    mm
    12.00 mm 12.00 mm 130 lb·in
    DSAC150-16-12 1.50 in 1 1/2 in 2.250 in 0.500 in
    12.70
    mm
    16.00 mm 12.00 mm 115 lb·in
    DSAC150-16-16 1.50 in 1 1/2 in 2.250 in 0.500 in
    12.70
    mm
    16.00 mm 16.00 mm 115 lb·in
    DSAC150-20-12 1.50 in 1 1/2 in 2.250 in 0.625 in
    15.88
    mm
    20.00 mm 12.00 mm 94.0 lb·in
    DSAC150-20-16 1.50 in 1 1/2 in 2.250 in 0.625 in
    15.88
    mm
    20.00 mm 16.00 mm 94.0 lb·in
    DSAC150-20-20 1.50 in 1 1/2 in 2.250 in 0.625 in
    15.88
    mm
    20.00 mm 20.00 mm 94.0 lb·in
      Results 1 - 25 of 31 1 2 
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