Flexible Helical Shaft Coupling
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৳ 250.00৳ 300.00 (-17%)
Aluminum Flexible Beam Shaft Coupler
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- Application: Connects stepper motors to lead screws in 3D printers, CNC routers, and robotics.
- Function: Compensates for parallel/angular misalignment and dampens vibration while maintaining zero backlash.
- Material: Lightweight, high-strength aluminum alloy.
- Fixing Type: Secure dual-end set screw clamping.
- Standard Size: Outer diameter 19mm, length 25mm (D19L25) [Image 1, Image 6].
Are you checking compatibility for a specific setup? Let me know your motor and lead screw shaft sizes to find the correct bore diameters.
Flexible Helical Shaft Coupling
High-Precision Aluminum Flexible Helical Shaft Coupling
This aluminum helical flexible shaft coupling is an essential hardware component designed for precise motion transmission in 3D printers, CNC machinery, laser engravers, and hobbyist robotics projects. Machined from heavy-duty aluminum alloy, this coupler provides a secure mechanical connection between a motor shaft and a driven rod (such as an Acme lead screw, ball screw, or linear shaft).
Flexible Helical Shaft Coupling
Key Performance Features
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- Zero-Backlash Design: Engineered specifically for precision motion tracking applications, ensuring no rotational lag or lost motion during high-frequency direction changes.
- Misalignment Compensation: The integrated, parallel helical beam cuts give the solid metal cylinder controlled mechanical flexibility. It automatically absorbs angular, radial, and axial misalignments, shielding delicate internal motor bearings from damaging stress.
- Lightweight & Low Inertia: Constructed from premium aluminum alloy to reduce rotational mass, allowing for quicker motor acceleration and stopping intervals with minimized vibration.
- Reliable Set-Screw Clamping: Features multiple integrated radial grub screws that bite firmly into the mating shafts to prevent slipping, even under heavy torque changes.
Flexible Helical Shaft Coupling
Technical Specs & Common Sizing
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- Primary Material: High-Strength Grade Aluminum Alloy
- Common Configurations: Frequently utilized as a 5mm to 8mm step-up coupler (connecting standard NEMA 17 stepper motor shafts to an 8mm T8 lead screw). Also available in symmetrical configurations like 5mm-to-5mm or 8mm-to-8mm.
- Outer Body Dimensions: Typically measures 19mm in external diameter (D) by 25mm in total length (L).
- Maximum Rotational Velocity: Rated safe for continuous operation up to 10,000 RPM depending on structural load.
Flexible Helical Shaft Coupling
Target Application Ecosystem
Ideally suited for desktop 3D printers (RepRap, Prusa, Creality Ender series), compact DIY CNC routing machines, automated camera gimbals, packaging machinery, and custom rotary encoder linkages.
If you are sourcing this for a specific repair or assembly, let me know your motor shaft diameter and lead screw size so I can find the exact bore dimensions you need.
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