SKU: 3DDF-1372
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Flexible Shaft Coupling 25x32mm, 6x8mm Bore (ZRB-25x32)

₹439.00 (Inclusive of all taxes)
Out of Stock

The ZRB-25×32 Flexible Coupling connects driving and driven shafts, effectively compensating for misalignment and reducing backlash. Constructed from durable aluminum, this 25mm OD x 32mm L coupling features a 6mm x 8mm bore, ideal for a wide range of motion control applications.

Features

  • Precision-machined aluminum construction ensures durability and corrosion resistance.
  • Compensates for angular, radial, and axial misalignment, protecting connected shafts.
  • Features a 6mm (d1) and 8mm (d2) bore diameter for versatile shaft integration.
  • Achieves zero backlash and low moment of inertia for accurate power transmission.
  • Supports high rotational speeds up to 20,000 RPM with a rated torque of 1.5 N-m.

Out of stock

Description

This flexible motor coupling is designed to efficiently connect a driving shaft with a driven shaft, minimizing misalignment effects and offering extremely low backlash. The ZRB-25×32 model, with an outer diameter of 25mm and a length of 32mm, is crafted from machined aluminum, providing robust performance without damaging the connected shafts due to its clamping mechanism.

Its unique spiral cut design grants flexibility, allowing it to accommodate minor misalignments between two shafts that are not perfectly co-linear. This design also helps reduce binding effects and makes the coupling behave like a spring in linear X, Y, and Z axes, but maintains torsional stiffness for precise rotational power transmission. Such couplings are critical in applications where accurate power and torque transfer are paramount, safeguarding shaft members against sudden shock loads, vibrations, and thermal expansion.

Key Features

  • Corrosion resistance and High Durability for extended operational life.
  • One-piece construction with a helical cut ensures long-lasting, reliable performance.
  • Offers exceptional torsional stiffness with zero backlash, crucial for precision systems.
  • Maintains a low moment of inertia, contributing to constant velocity transmission.
  • Designed to protect driving and driven shaft members from misalignment and shock.
  • Clamping design prevents damage to shafts during installation and operation.

Applications

  • Connecting stepper motors to lead screws in 3D printers and CNC machines.
  • Power transmission in robotics and automated systems.
  • Precision motion control setups requiring minimal backlash.
  • General machinery where shaft misalignment compensation is critical.

Technical Specifications

Item TypeFlexible Shaft Coupling
MaterialAluminium Metal Alloy
Bore Diameter [B]6 x 8 mm
Length32 mm
Bore Diameter d16 mm
Bore Diameter d28 mm
Outer Diameter25 mm
Rated Speed20000 RPM
Rated Torque1.5 N-m
Catch Shaft TypeTighten
Screws2 x M3
Model No. / NameZRB-25x32

Frequently Asked Questions

What is the primary benefit of using a flexible coupling over a rigid one?

Flexible couplings compensate for shaft misalignments (angular, radial, axial) that can arise from manufacturing tolerances, thermal expansion, or improper installation. This protection prevents premature wear on bearings and other components, ensuring smoother operation and extending machine lifespan.

Is this ZRB-25x32 coupling suitable for high-speed applications?

Yes, the ZRB-25x32 flexible coupling is rated for a maximum speed of 20,000 RPM. Its low moment of inertia and robust aluminum construction make it suitable for dynamic applications requiring high rotational velocities with consistent power transfer.

How does this coupling ensure zero backlash for precision work?

This coupling's one-piece design and specific helical cut provide high torsional stiffness, which is crucial for preventing rotational play. This "zero backlash" characteristic ensures that all input motion from the driving shaft is accurately transferred to the driven shaft without any lost movement, essential for precision CNC and 3D printing.

What shaft diameters can this ZRB-25x32 coupling accommodate?

The ZRB-25x32 flexible coupling is designed with asymmetrical bores to connect shafts of different diameters. It features a 6mm bore on one end (d1) and an 8mm bore on the other end (d2), making it compatible with a variety of common motor and lead screw sizes.

Package Includes

  • 1 x Flexible coupling OD: 25mm x L: 32mm Bore: 6x8mm (ZRB-25x32)

Additional Information

Weight 0.037 kg
Dimensions 3 × 4 × 3 cm