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Motor Accessories
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Flexible Couplings
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Helical DS Series Aluminum Couplings
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Item # DSAC125-12-10
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Item # DSAC125-12-10, Helical DS Series Aluminum Couplings
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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
125
Outside Diameter (D)
1 1/4
in
Length (L)
1.75
in
Size (+0.002 in/-0.000 in)
0.375
in
9.53
mm
Bore Designator
12
Momentary Dynamic Torque
58
lb·in
Torsional Rate
0.080
Inertia
1
0.98 x 10
-5
lb.in.sec
2
Screw Size
2
10 - 24
Seating Torque
50
lb·in
Center Line
0.22
in
Min. Size
0.313
in
7.95
mm
Max. Size
0.630
in
16.00
mm
Max. Bore Diameter
0.668
in
16.98
mm
Bore Depth
0.44
in
11.18
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
Shaft misalignments:
Angular 3 degrees
Parallel Offset 0.010 in.
Axial Motion: ±0.008 in.
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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