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All Categories > Motor Accessories > Flexible Couplings > Helical DS Series Aluminum Couplings > Item # DSAC150-20-12  
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Item # DSAC150-20-12, Helical DS Series Aluminum Couplings


  • 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 incor porates two helical beams in each of two separate HELI-CAL Flexures, combining greater end-to-end rotational accuracy with radial flexi bility 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.



Unit of Measure: Imperial Metric Both

 Specifications   Additional Information   Customize   

Product Type
Coupling

Series
DSAC

Material
7075-T6 Aluminum Alloy

Finish
Clear Anodize

Outside Diameter Designator
150

Outside Diameter (D)
1 1/2 in

Length (L)
2.25 in

Size (+0.002 in/-0.000 in)
0.625 in
15.88 mm

Bore Designator
20

Momentary Dynamic Torque
94 lb·in

Torsional Rate
0.062

Inertia1
2.7 x 10-5 lb.in.sec2

Screw Size2
10 - 24

Seating Torque
50 lb·in

Center Line
0.22 in

Min. Size
0.375 in
9.53 mm

Max. Size
0.630 in
16.00 mm

Max. Bore Diameter
0.908 in
23.07 mm

Bore Depth
0.57 in
14.48 mm

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 in each of two separate HEU-CAL Flexures, 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 0.010-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.

Note
  1. Shaft misalignments:
    Angular 3 degrees
    Parallel Offset 0.010 in.
    Axial Motion: ±0.008 in.
  2. Manufacturing dimensional tolerances unless otherwise specified are:
    fraction ± 1/64
    x.xx ± .01 in.
1 Inertia is based on smallest standard bore diameter.
2 Metric fasteners available on request.


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Japanese Products Corp. - High Performance Motion and Thermal Control Products