Description
The 6.35mm × 8mm × 25mm 3D Printer Stepper Motor Flexible Coupler is a compact beam-style shaft coupling designed to connect a stepper motor shaft with a compatible lead screw or driven shaft.
Its flexible spring construction helps absorb parallel and angular misalignment, as well as minor shaft end-play, reducing mechanical stress between the motor and driven component. The one-piece metallic design provides flexible torsional coupling while maintaining zero backlash during normal operation.
With a 25mm length and approximately 18.5mm outer diameter, this coupler is suitable for 3D printer Z-axis assemblies, small CNC machines, encoders, instrumentation, small pumps, feed rollers, and other light- to medium-duty drive systems.
Features:
- Flexible Shaft Coupling: The spring-style coupling allows controlled flexibility between the motor and driven shaft.
- Misalignment Compensation: Helps accommodate minor parallel and angular shaft misalignment and shaft end-play.
- Zero Backlash: Designed to maintain accurate motion transmission with minimal rotational play.
- Aluminum Construction: Made from lightweight and durable aluminum alloy.
- Set-Screw Clamping: Provides secure attachment to compatible shafts.
- Compact Design: The 25mm length and approximately 18.5mm outer diameter make it suitable for space-constrained assemblies.
- Reduced Mechanical Stress: Flexibility helps reduce stress between the stepper motor and driving components.
- Wide Application: Suitable for 3D printer Z-axis systems, small CNC machines, encoders, instrumentation, lead screws, pumps, and feed mechanisms.
- Easy Alignment: Helps simplify installation and adjustment of stepper motor and lead-screw assemblies.
Package Includes:
- 1 × 6.35 × 8 × 25mm Flexible Coupler
Specification
- Material: Aluminum Alloy
- Shaft Size: 6mm × 8mm
- Nominal Shaft Size: 6.35mm × 8mm as specified in the product title
- Length: 25mm
- Outer Diameter: Approx. 18.5mm
- Overall Size: Approx. 25 × 20mm (L × D), as listed
- Coupler Type: Flexible Beam Coupling
- Clamping Type: Set Screw
- Feature: Spline shaft with coiling clamping
- Color: Silver Tone
- Weight: Approx. 20g
- Application: 3D printers, CNC machines, lead screws, encoders, instrumentation, small pumps, and feed rollers
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