Flexible Coupler (6.35mm to 8mm)

Overview

This flexible coupler is an essential component for connecting motor shafts in CNC machines, 3D printers, and other precision motion systems. Designed to bridge a 6.35mm shaft (typically a stepper motor) to an 8mm shaft (such as a lead screw or spindle), it accommodates minor misalignments, reducing vibration and stress on the system. Its flexible design absorbs shock and corrects for slight angular, parallel, and axial misalignments, ensuring smooth operation and extending the lifespan of your equipment.

Key Features

• Flexible Design: The coupler's construction allows for slight misalignments, reducing stress on bearings and shafts.
• Precision Connection: Connects 6.35mm and 8mm shafts securely, ensuring accurate torque transmission.
• Durable Material: Made from high-quality aluminum alloy with a robust clamping mechanism for reliable performance.
• Easy Installation: Set screw design allows for quick and secure mounting without special tools.
• Reduces Vibration: Dampens vibrations and shock loads, improving overall system stability.
• Versatile Use: Ideal for CNC routers, 3D printers, laser cutters, and robotics.

Technical Specifications

• Shaft Diameter 1: 6.35mm (1/4 inch)
• Shaft Diameter 2: 8mm
• Outer Diameter: 20mm (approx.)
• Length: 25mm (approx.)
• Material: Aluminum alloy
• Fastening: Set screws (M4)
• Weight: 30g (approx.)

Applications & Use Cases

• CNC Machines: Connect stepper motors to lead screws or ball screws for precise motion.
• 3D Printers: Link motor shafts to threaded rods for Z-axis movement.
• Robotics: Connect motor output shafts to gearboxes or wheels.
• Laser Engravers: Ensure accurate movement of the gantry system.
• Automation Equipment: Connect shafts in conveyor systems or pick-and-place machines.

What's Included

• 1x Flexible Coupler (6.35mm to 8mm)

Compatibility

• Designed for shafts with diameters of 6.35mm and 8mm.
• Commonly used with NEMA 17 and NEMA 23 stepper motors (6.35mm shaft) and standard 8mm lead screws or spindles.
• Compatible with most CNC and 3D printer controller boards when used with appropriate stepper drivers.

MOKWN Recommendation

For Egyptian makers, students, and engineers, this flexible coupler is a must-have for any CNC or 3D printing project. It ensures reliable torque transmission while protecting your investment from misalignment-related failures. Pair it with our high-quality stepper motors and lead screws for optimal performance. Order now and enjoy fast delivery across Egypt!