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Helical Products Company, Inc.

Flexible Couplings

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W Series W Series DS Series MCA Series MC7 Series A Series H Series
aluminum 7075-T6 stainless steel 17-4PH aluminum 7075-T6 aluminum 7075-T6 stainless steel 17-4PH aluminum 7075-T6 stainless steel 17-4PH
Aluminum Beam Coupling Stainless steel beam coupling Aluminum servo coupling Aluminum Helical Coupling Stainless steel flexible coupling Aluminum flexure coupling Stainless steel flexure coupling
Description
General purpose, light to medium duty. An economical, maintenance free coupling, used in a variety of applications. Stainless steel version of the "WA(C)" series, with higher torque capacity and torsional stiffness. Increased fatigue resistance with all metric dimensions and fasteners. 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. A general purpose aluminum coupling, used where more parallel misalignment is required. Has a large range of shaft sizes, with optional keyways. Stainless steel version of "MCA(C)" series, with higher torque capacity and torsional stiffness. Increased fatigue resistance. General purpose, light to medium duty. An economical, maintenance free coupling, used in a variety of applications. Stainless steel version of "A" series, with higher torque capacity and torsional stiffness. Increased fatigue resistance.
Typical Applications
Used for encoder/ resolver applications, low torque pump, lead screw and various other applications. For situations requiring a heavy duty coupling such as pumps, lead screws, and positioning systems; also for process equipment in industrial situations. Anywhere a rugged, tough, long-lasting coupling is needed. 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. Good for encoder/resolver applications, moderate torque pump, lead screw, and various other applications. Good for pump, conveyor systems, and industrial processing equipment, where absolute reliability is required. Anywhere a rugged, tough, long-lasting coupling is needed. Used for encoder/resolver applications, low torque pump, lead screw and various other applications. For situations requiring a heavy duty coupling, for pump, lead screws, and positioning systems. Also for process equipment in industrial situations. Anywhere a rugged, tough, long-lasting coupling is needed.
Misalignment Compensation
5° angular, .25mm parallel offset, .25mm axial motion 5° angular, .25mm parallel offset, .25mm axial motion 3° angular, .010 inch parallel offset, .008 inch axial motion 5° angular, .030 inch parallel offset, .010 inch axial motion 5° angular, .030 inch parallel offset, .010 inch axial motion 5° angular, .010 inch parallel offset, .010 inch axial motion 5° angular, .010 inch parallel offset, .010 inch axial motion
Torque Range
.59-20 Nm 1.2-39 Nm 12-234 lbin 20-286 lbin 40-556 lbin 1.2-51 lbin 2.4-100 lbin
Bore Ranges (inch and/or metric bores available)
3mm-38.1mm 3mm-38.1mm 0.188-1.280 in 4.78-32.50mm 0.156-1.750 in 3.96-44.45mm 0.156-1.750 in 3.96-44.45mm 0.090-0.750 in 2.29-19.05mm 0.090-0.750 in 2.29-19.05mm
Attachment
Clamp or set screw Clamp or set screw Clamp Clamp or set screw Keyways optional Clamp or set screw Keyways optional Clamp or set screw Clamp or set screw
Operating temperatures
Up to 100°C Up to 300°C Up to 200°F Up to 200°F Up to 600°F Up to 200°F Up to 600°F
Speed (in the wind up direction)
10,000 rpm 10,000 rpm 10,000 rpm 3,600 rpm 3,600 rpm 10,000 rpm 10,000 rpm

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