SKU: 3DDF-1364
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Two Trees Aluminum Flexible Spider Shaft Coupling 5x8mm

₹309.00 (Inclusive of all taxes)
Out of Stock

This Two Trees flexible spider shaft coupling provides reliable power transmission between 5mm and 8mm shafts, effectively dampening vibrations and accommodating minor misalignments in 3D printers and CNC machines.

Features

  • Vibration damping for smooth operation and reduced noise.
  • Accommodates angular and axial shaft misalignments effectively.
  • Minimum backlash design ensures precise motion control.
  • Durable aluminum construction with an elastomeric spider insert.
  • Facilitates easy installation and removal without shaft damage.

Out of stock

Description

Flexible spider shaft couplings, also known as elastomer couplings, integrate a plastic or rubber element between aluminum jaws. This design allows them to effectively absorb shock and reduce vibration, which is crucial for maintaining print quality in 3D printers or precision in CNC applications. The minimal backlash offered by this 20mm OD, 25mm length coupling ensures accurate power transmission between connected shafts.

These machined aluminum couplings feature a pair of jaw hubs that mate with an elastomeric spider. The clamping mechanism secures the shafts without causing damage, offering a straightforward connection and disconnection process. Beyond vibration damping, these couplings are highly effective at reducing both angular and axial misalignments, contributing to the longevity and performance of linked mechanical systems. Users should avoid prolonged exposure to high temperatures or UV light to preserve the elastomer’s lifespan.

Key Features

  • Jaw / Spider structure for enhanced flexibility and shock absorption.
  • Made from high-quality aluminum alloy for durability and lightweight design.
  • Designed for 5mm to 8mm bore diameters, ideal for motor-to-leadscrew connections.
  • Compact outer diameter of 20mm and a length of 25mm for versatile integration.
  • Elastomer insert provides excellent vibration damping and reduces operational noise.
  • Minimizes backlash, ensuring precise and repeatable motion control in automation.
  • Protects connected shafts from stress and damage caused by misalignment.
  • Effectively reduces angular and axial misalignment to prevent premature wear.

Applications

  • 3D Printers (e.g., Z-axis lead screw coupling, extruder motor coupling).
  • CNC Machines (e.g., stepper motor to lead screw connections).
  • Robotics and Automation (for precise motion transfer).
  • General light-duty power transmission systems requiring vibration damping.

Technical Specifications

Item TypeFlexible Shaft Coupling
MaterialAluminium Metal Alloy
Bore Diameter [d1]5 mm
Bore Diameter [d2]8 mm
Outer Diameter20 mm
Length25 mm
Weight18 g

Frequently Asked Questions

What is the primary function of a flexible spider shaft coupling?

Its primary function is to connect two shafts for power transmission while accommodating minor misalignments, dampening vibrations, and absorbing shocks. The elastomeric insert allows for axial, angular, and parallel offsets without putting undue stress on the connected components, enhancing system longevity.

What types of misalignments can this coupling handle?

This flexible coupling is engineered to manage angular, parallel, and axial misalignments between shafts. The elastomeric spider flexes to compensate for these offsets, preventing premature wear on bearings and motors. This ensures smoother operation and extends the lifespan of your equipment.

Can this coupling be used with any 5mm and 8mm shafts?

Yes, this coupling is designed for secure connection between a 5mm diameter shaft and an 8mm diameter shaft. It's ideal for integrating stepper motors with lead screws in 3D printers, CNC machines, and various automation projects where precise power transmission is critical.

What are the maintenance considerations for the elastomer?

The elastomer insert will degrade over time. To maximize its lifespan, avoid prolonged exposure to high temperatures (above 80°C) and direct UV light. Regular inspection for cracks or hardening is recommended, and replacement should occur if signs of wear are visible to maintain optimal performance.

Does this coupling prevent backlash?

While it significantly reduces backlash due to its design, it's considered "minimum backlash" rather than truly zero backlash. For applications demanding absolute zero backlash, other coupling types might be more suitable. However, for most 3D printing and CNC uses, its performance is highly effective.

Package Includes

  • 1x Two Trees Aluminum Flexible Spider Shaft Coupling (5x8mm)

Additional Information

Weight 0.02 kg
Dimensions 3 × 3 × 2 cm