Flexible Coupler (7mm to 8mm)

Overview

Ensure smooth and reliable power transmission in your CNC machine, 3D printer, or robotics project with the MOKWN Flexible Coupler (7mm to 8mm). This precision-engineered coupler connects a 7mm motor shaft to an 8mm lead screw or driven shaft, effectively accommodating slight misalignments that are common in real-world mechanical setups. By absorbing vibrations and compensating for minor angular and parallel offsets, it prevents undue stress on bearings and motors, ensuring consistent performance and extending the lifespan of your equipment.

Key Features

• Size Compatibility: Connects 7mm to 8mm shafts, ideal for NEMA 23 stepper motors and common lead screws.
• Vibration Dampening: Reduces transmission of vibrations, minimizing noise and wear.
• Misalignment Tolerance: Compensates for minor angular and parallel misalignments, reducing stress on components.
• Zero Backlash: Ensures precise motion control with no play, critical for CNC and 3D printing applications.
• Durable Construction: Made from high-quality aluminum alloy with a robust flexible insert, offering excellent strength and flexibility.
• Easy Installation: Set screw design allows for quick and secure mounting with a hex wrench.

Technical Specifications

• Shaft Diameter (Connects): 7 mm to 8mm
• Material: Aluminum alloy hub with flexible polymer insert
• Outside Diameter: 20mm (standard)
• Length: 25mm (standard)
• Set Screws: 2 per hub (M4 thread)
• Max Torque: 2.5 Nm
• Max Speed: 6000 RPM

Applications & Use Cases

• CNC Machines: Connect stepper motors to lead screws for precise positioning.
• 3D Printers: Link motors to Z-axis or extruder shafts.
• Robotics: Transfer power from motors to gearboxes or drive systems.
• Automation Equipment: Connect servo motors to ball screws or pulleys.
• Laser Engravers: Ensure accurate motion control for cutting and engraving.

What's Included

• 1x Flexible Coupler (7mm to 8mm)
• 4x Set screws (M4) pre-installed
• 1x Hex wrench (2.5mm)

Compatibility

• Motor Shaft: 7mm diameter
• Driven Shaft: 8mm diameter
• Works with NEMA 23 stepper motors, common lead screws, and other 8mm shafts.
• Check your shaft sizes before ordering to ensure a proper fit.

MOKWN Recommendation

For optimal performance in CNC and 3D printing applications, pair this flexible coupler with a NEMA 23 stepper motor and a T8 lead screw. It is an essential component for reducing mechanical stress and ensuring quiet, precise operation. Order now and experience smoother, more reliable motion in your projects.