HA-CO Torsionally Stiff Compensation Couplings

Precise and backlash-free couplings for dynamic drive systems

For precision drives where reliable and backlash-free torque transmission is essential, HA-CO torsionally stiff compensation couplings provide a high-quality solution. These couplings are particularly suitable for applications with medium torque values and high requirements for precision, dynamics and reliability.

The couplings make it possible to connect two shaft ends precisely, even when they are positioned at a defined angle relative to each other. At the same time, axial, radial and angular misalignments between the two shaft ends can be compensated within defined limits.

Due to the low restoring forces, this compensation does not result in significant additional bearing loads.

What is a torsionally stiff compensation coupling?

A torsionally stiff compensation coupling is a mechanical coupling that connects two shafts while allowing certain types of shaft misalignment to be compensated.

The torsionally stiff design ensures that torque is transmitted accurately and without unwanted backlash. At the same time, the coupling can accommodate movement between the two shafts.

HA-CO compensation couplings can compensate, within defined limits, for:

• Axial displacement.

• Radial displacement.

• Angular misalignment.

• Installation deviations.

• Thermally induced movement.

This makes the couplings suitable for drive systems where both high precision and a certain degree of flexibility are required.

German quality from HA-CO

The torsionally stiff compensation couplings are developed and manufactured by HA-CO GmbH in Germany.

HA-CO focuses on high-quality drive technology and precision components for industrial applications. Accurate torque transmission, reliable mechanical performance and long service life are central to the product design.

The combination of torsional stiffness, low inertia and compensation capabilities makes these couplings suitable for dynamic drive systems with demanding requirements for precision and speed.

OpenSupply supplies high-quality HA-CO couplings to companies in mechanical engineering, automation and industrial drive technology.

Key benefits

HA-CO torsionally stiff compensation couplings combine precision, dynamic performance and reliable mechanical operation.

The main benefits include:

• Torsionally stiff design – provides accurate and direct torque transmission.

• Backlash-free operation – movement and torque are transmitted without unwanted play.

• Misalignment compensation – axial, radial and angular deviations can be compensated within defined limits.

• Low restoring forces – help prevent significant additional bearing loads.

• Strong shaft-hub connection – ensures reliable power transmission.

• No additional keyway required – depending on the design, torque can be transmitted without an additional keyway connection.

• Low moments of inertia – contribute to fast and dynamic response.

• Suitable for high rotational speeds – designed for dynamic drive applications.

• High dynamic performance – suitable for applications with frequent acceleration and deceleration.

• Wear-free design – developed for long-term operation without mechanical wear of the coupling.

• Maintenance-free operation – designed for low-maintenance applications.

• Compact construction – suitable for applications with limited installation space.

Precise torque transmission without backlash

An important feature of HA-CO compensation couplings is backlash-free torque transmission.

The strong shaft-to-hub connection ensures that the drive torque is reliably transmitted without unwanted movement between the connected components.

This is particularly important in applications where accurate movement or positioning is required.

Examples include:

• Servo drives.

• Positioning systems.

• Measurement and control systems.

• Spindle drives.

• Precision drives.

• Industrial robots.

Compensation of axial, radial and angular misalignment

In a machine, two shafts are not always perfectly aligned with each other.

Small deviations can occur during assembly. Changes can also occur during operation due to factors such as thermal expansion or deformation.

HA-CO torsionally stiff compensation couplings can accommodate these deviations within defined limits.

The coupling can compensate for:

Axial misalignment

Movement along the longitudinal axis of the shaft can be compensated within the permitted range.

Radial misalignment

Small parallel deviations between the two shafts can be accommodated.

Angular misalignment

When two shaft ends are positioned at a small angle relative to each other, the coupling can compensate for this deviation within the specified limits.

Low restoring forces and limited bearing loads

An important advantage of the design is the low restoring force when compensating for misalignment.

When a flexible coupling accommodates movement between two shafts, forces can occur that are transferred to the bearings.

HA-CO compensation couplings have low restoring forces. As a result, correct application does not lead to significant additional bearing loads.

This makes the couplings suitable for precision drives where bearing loads also need to be kept as low as possible.

Dynamic performance at high rotational speeds

In addition to torsional stiffness, low moments of inertia are important for dynamic drive systems.

Low rotating mass makes it possible for drives to accelerate and decelerate more quickly.

HA-CO compensation couplings are designed with low moments of inertia and high-quality mechanical characteristics.

This makes them suitable for dynamic applications and drives operating at high rotational speeds.

The couplings are therefore particularly interesting for servo and precision systems.

Wear-free and maintenance-free

HA-CO compensation couplings are designed as wear-free and maintenance-free mechanical components.

This makes them suitable for long-term use in industrial machinery without requiring regular maintenance of the coupling.

This can contribute to reliable operation and a reduced maintenance requirement for the drive system.

Applications of HA-CO compensation couplings

Thanks to their combination of torsional stiffness, flexibility, low inertia and precise torque transmission, HA-CO compensation couplings can be used in a wide range of applications.

Examples include:

• General mechanical engineering.

• Precision drives.

• Measurement and control systems.

• Automation systems.

• Spindle drives.

• Axial drives.

• Machine tools.

• Textile machinery.

• Packaging machinery.

• Woodworking machinery.

• Industrial robots.

• Multi-spindle drilling heads.

• Aerospace applications.

• Medical equipment.

• Industrial production systems.

This makes the couplings suitable for both general industrial applications and highly precise, dynamic drive systems.

Suitable for precision and servo drives

In precision systems, a reliable and backlash-free connection between the drive shaft and driven shaft is essential.

The torsionally stiff construction of HA-CO couplings ensures that drive torque is transmitted directly and accurately.

Combined with low inertia and compensation of misalignment, this makes the couplings suitable for dynamic servo and positioning applications.

These characteristics are particularly valuable where high accuracy and rapid changes in movement are required.

Applications in machine tools

An important application area for HA-CO compensation couplings is machine tool construction.

Spindle and axial drives place high demands on the mechanical connection between drive components.

The coupling must transmit torque accurately while also being able to compensate for small alignment deviations.

The combination of torsional stiffness, backlash-free operation and low inertia makes HA-CO couplings suitable for these demanding applications.

Applications in robotics and automation

Precise and dynamic movement is also essential in industrial robots and automated machinery.

The coupling must respond quickly to changes in speed and direction while transmitting movement without unwanted backlash.

The low moments of inertia and torsionally stiff design of HA-CO couplings make them suitable for such dynamic drive systems.

Easy integration into your drive system

When selecting a torsionally stiff compensation coupling, the technical requirements of the application must be considered.

Important factors include:

• Required torque.

• Maximum rotational speed.

• Shaft diameters.

• Axial displacement.

• Radial displacement.

• Angular misalignment.

• Available installation space.

• Required torsional stiffness.

• Moment of inertia.

• Operating conditions.

By determining these specifications in advance, the correct HA-CO version can be selected for your machine.

Buy HA-CO compensation couplings from OpenSupply

With a HA-CO torsionally stiff compensation coupling, you choose a high-quality solution for precision and dynamic drive applications.

OpenSupply supplies HA-CO couplings for a wide range of industrial applications and helps you select the correct version.

Do you require a specific shaft diameter, torque value, rotational speed or compensation range? Our technical specialists can help you determine the most suitable solution.

OpenSupply can also assist with specific technical requirements or customer-specific versions.

Choose precise drive technology with HA-CO

HA-CO torsionally stiff compensation couplings combine backlash-free torque transmission, high torsional stiffness, low inertia and compensation of shaft misalignment.

This makes them suitable for applications ranging from general mechanical engineering and automation to machine tools, robotics, measurement and control systems and specialised industrial applications.

HA-CO torsionally stiff compensation couplings – high-quality German drive technology for precise, dynamic and reliable torque transmission.

Order your HA-CO compensation coupling from OpenSupply or contact our technical specialists for advice on the right version for your application.