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Beam Couplings

Product catalog summary

Overview: The document outlines the specifications and features of beam couplings by Huco Dynatork, including Multi-Beam, Single-Beam, and Step-Beam types. These couplings are engineered for torsional rigidity, zero backlash, and accommodate various misalignments without moving parts.

Specifications:

Materials: Available in stainless steel, aluminium, and acetal, suitable for shaft diameters from 1mm to 38mm.
Temperature Range: Operates between -40ºF to +284ºF (-40°C to +140°C).
Design Features: A 3-start helical-cut design enhances torque capability and reduces wind-up compared to single beam versions.

Types of Beam Couplings:

3-Beam Couplings: Provide increased torsional stiffness with specific dimensions and order codes.
6-Beam Couplings: Offer torsional stiffness and increased radial compliance, available in relieved and non-relieved versions.
Step Beam: Designed for low inertia, electrical isolation, and cost-effectiveness.

Dimensional Data: Includes tables detailing dimensions, bore sizes, mass, fasteners, angular and parallel offsets, torsional stiffness, and peak torque for various coupling sizes and types.

Key Parameters:

Angular Offset: Specific degrees vary by coupling type and size.
Parallel Offset: Specified in millimeters, indicating allowable misalignment.
Torsional Stiffness: Measured in Nm/rad, indicating rigidity under torsional load.
Peak Torque: Provided in lb.in (Nm), indicating maximum torque capacity.

Recommendations: Choose a coupling size where the peak torque exceeds the application torque multiplied by a service factor to ensure reliability and performance.

Catalog excerpts

Beam Couplings Multi-Beam Single-Beam Step-Beam • Torsionally rigid design • Zero backlash • No moving parts • Single beam simple coupling compatible with industry standard types • 3-Beam single stage for increased torsional stiffness • 6-Beam two stage for torsional stiffness and increased radial compliance • Step Beam for low inertia, electrical isolation, low cost Beam couplings will readily accommodate any combination of axial motion, angular and parallel misalignment. The 3 start helical-cut design provides higher torque capability and reduced wind-up compared with single beam versions. Multi-Beam is available in three standard materials: stainless steel, aluminium and acetal, for shaft diameters from 1mm to 38mm.

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Materials & Finishes Couplings: Stainless Steel 303 S31 Fasteners: Stainless Steel 3-BEAM COUPLINGS: DIMENSIONS & ORDER CODES

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Materials & Finishes Couplings: Stainless Steel 303 S31 Fasteners: Stainless Steel 6-BEAM COUPLINGS: DIMENSIONS & ORDER CODES Coupling Type & Size © Length of supported bore. © Peak torque. Select a size where Peak Torque exceeds the application torque x service factor. (see page 4) © Max. compensation values are mutually exclusive. B1 only H B1 & B2 Sizes indicated in parenthesis are metric (mm). oooooo^^ oooooooo Bore ref. 11 14 16 18 19 20 22 24 28 31 32 35 36 38 41 42 45 46 47 48 51 52 53 54 56 57 58

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Materials & Finishes Couplings: Stainless Steel 303 S31 Fasteners: Stainless Steel 6-BEAM COUPLINGS: DIMENSIONS & ORDER CODES Coupling Type & Size © Length of supported bore. © Peak torque. Select a size where Peak Torque exceeds the application torque x service factor. (see page 4) © Max. compensation values are mutually exclusive. © Torsional Stiffness values based on maximum bores, for smaller bore combinations the values are nearer the non-relieved type. 0 B1 only H B1 & B2 Sizes indicated in parenthesis are metric (mm). ooooooo^^^^^^ • •

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Clamp Hubs Materials & Finishes Couplings: Aluminium L168 or better Fasteners: Alloy steel, black 3-BEAM COUPLINGS: DIMENSIONS & ORDER CODES

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Materials & Finishes Couplings: Aluminium L168 or better Fasteners: Alloy steel, black oiled Temperature Range -40°F to +284°F (-40°C to +120°C) 6-BEAM COUPLINGS: DIMENSIONS & ORDER CODES Coupling Type & Size © Length of supported bore. © Peak torque. Select a size where Peak Torque exceeds the application torque x service factor. (see page 4) © Max. compensation values are mutually exclusive. BORE SIZES 6-BEAM COUPLINGS, NON-RELIEVED 0 B1 only H B1 & B2 Sizes indicated in parenthesis are metric (mm). ooooo### o o o • • •

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Clamp Hubs Materials & Finishes Couplings: Aluminium L168 or better Fasteners: Alloy steel, black

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Clamp Hubs

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_Step BeamStep Beam Couplings - NylonMaterials & Finishes Couplings: Nylon type engineering polymer Fasteners: Stainless Steel Clamp Hubs DIMENSIONS & ORDER CODES PERFORMANCE Peak Torsional Size Torque Stiffness

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Single Helix Beam Couplings - Stainless Steel Set Screw Hubs Clamp Hubs DIMENSIONS & ORDER CODES Size 16 Set Screw Clamp Style Style Order Code 820.16 - O/A Length Bore Depth L in. (mm) LI in. (mm) Dimensions Min B1 Materials & Finishes Couplings: Stainless Steel 303 S31 Fasteners: Stainless Steel AVAILABLE BORES Sizes indicated in parenthesis are metric (mm).

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Clamp Hubs DIMENSIONS & ORDER CODES Size 16 Set Screw Clamp Style Style Order Code 826.16 - Single Helix Beam Couplings - Aluminium Dimensions Min B1 Fasteners Maff 3g Set Screw Cap Screw |hT°rque x 10-3 A/F 10 Materials & Finishes Couplings: Aluminium L 168 or better Fasteners: Alloy steel, black oiled AVAILABLE BORES Size Sizes indicated in parenthesis are metric (mm). 0B1,0B2 +0.0012/ -0 (+0.03mm/-0mm) (6) 1/4" 5/16" (8) (9) 3/8" (10) (12) 1/2" (14) (15) 5/8" (16) 3/4" (20) (25) 1"

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