Flexible Shaft Couplings
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Zero-Max offers high-performance, zero-backlash flexible shaft couplings that can handle large shaft misalignments without causing radial stress. As an industry-leading shaft coupling manufacturer, we provide Flexible Shaft Couplings that outperform other flexible or rigid alternatives in high-performance applications. Zero-Max Flexible Shaft Couplings deliver:
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With Passion, Quality, Service, and decades of experience and expertise, we are confident we can deliver the right flexible shaft coupling for you. Contact us for more information about our flexible shaft couplings or request a quote for more detailed specifications.
High-Performance Flexible Shaft Couplings from the Industry Leader
Available Proven Flexible Shaft Coupling Designs
We offer Flexible Shaft Couplings in various models and styles, with the ability to custom-design Flexible Couplings to meet your unique requirements. Our Flexible Disc Couplings consistently and reliably transmit torque in demanding servo-motor and automation systems while compensating for parallel, angular, and axial misalignment between drive components. All of our Flexible Shaft Couplings reduce vibration, minimize noise, and protect system components to increase performance and lifespan. View more information on our Flexible Couplings below.Composite Disc Couplings
Composite Disc Couplings (CD® Couplings) are designed to perform under demanding operating conditions involving repetitive speed changes, stopping, reversing, indexing, etc., without sacrificing performance. The high torsional stiffness and zero-backlash operation of these field-proven solutions deliver superior operation and versatility. Our CD Couplings are available in Single Flex, Double Flex, and Floating (line shaft) for any need.ServoClass® Flexible Shaft Couplings
Zero-Max ServoClass Flexible Shaft Couplings are metal disc-style shaft couplings, engineered for high-performance servo motor motion control applications. The ServoClass Couplings provide high torsional stiffness, low inertia, and reduced reaction loads on connected components. The Single Flex, Double Flex, and Floating Shaft models are eco-friendly and offer precision and control.Control-Flex Shaft Couplings
Control-Flex Shaft Couplings are engineered to ensure accuracy on encoders, tachometers, and other feedback devices. These flexible shaft couplings transmit power while the flex elements correct for any shaft misalignment, offering ultra-low bearing reaction loads. The Control-Flex Couplings feature clamp-style hubs for a superior, secure, vibration-resistant shaft connection.Schmidt Couplings
Schmidt Couplings enable smooth operation in applications with a large fixed or variable parallel offset between two shafts. These unique shaft couplings are ideal for applications with wide variations in radial displacement or applications that need to move shafts temporarily during cleaning or changeover.Wind Turbine Products
Wind Turbine Products provide the highest level of overall operation in wind turbine applications. The intelligent design requires little to no maintenance and is ideal for original installs and after-market upgrades. Learn more about what systems we support.Flexible Shaft Coupling Considerations
Zero-Max’s Flexible Shaft Couplings provide consistent and accurate torque transmission while helping to improve machine performance and life; however, proper consideration of the type of coupling used must be given to optimize mechanical performance, maximize throughput, and eliminate downtime. Products that are too rigid or used outside their recommended ratings can create excessive bearing loads which will impact performance and lifespan. Options with backlash or that “wind-up” (low torsional stiffness) with changing speeds and/or directions limit a machine’s operating speed and throughput.Primary considerations include torque capacity, torsional stiffness, motion profile, shaft sizes, and misalignment capacity. Additional considerations include:
- Continuous and Peak Torque Requirements and/or Motor HP
- Maximum Coupling RPM
- Distance Between Shaft Ends (DBSE)
- Service Factor
- Misalignment Requirements
- Physical Space Limitations
- Hub Bores, With or Without Keyways
- Any Environmental Considerations
How to Choose the Right Flexible Shaft Coupling
To select the proper coupling size, identify the application’s requirements and considerations. Be sure to choose a Flexible Shaft Coupling with performance and mounting options suited for your motion profile. Confirm the selected coupling’s maximum rated torque and select a coupling size with an operating torque (Tn) greater than the required torque and service factor. Check the flexible coupling ratings to be sure it is within the maximum speed and that the misalignment capability is sufficient for the use. Lastly, check to be sure that the coupling fits the required dimensions, such as the available space envelope and bore sizes. The selection procedure should be as follows:- If continuous torque is known, multiply it by the required service factor: Design Torque (in-lbs) = Continuous Torque (in-lbs) x Service Factor
- If continuous torque is no known, but Horsepower and RPM are, calculate the design torque by: Design Torque (in-lbs) = (HP x 63,000 x Service Factor)/Coupling RPM
- Contact Zero-Max for assistance.
Installing Flexible Shaft Couplings
Once the right flexible shaft coupling is selected, installation of Zero-Max’s Flexible Couplings is easy and operation is maintenance-free. The Flexible Shaft Couplings form a secure connection between drive and driven components through proper tightening as found in the product installation guides. Required components for installation include:- Calibrated Torque Wrench
- Hex Socket Set or Open-End Wrench
- Shaft Alignment Tools
- Cleaning Cloth
- Caliper
Applications of Flexible Shaft Couplings
Zero-Max flexible shaft couplings are widely used across many industries and applications for their performance, reliability, and robust properties. The construction and various options ensure that we have the right coupling to meet any need. Several industries that use our flexible shaft couplings include:- Automation machines
- Materials handling
- Construction
- Printing
- Packaging
- Specialty Machines
- Electrification
Why Zero-Max for Flexible Shaft Couplings
For over 77 years, Zero-Max has been a leading provider of motion control and power transmission solutions to various industrial applications. We stand as one of the industry’s most trusted coupling manufacturers by delivering premium products to meet the requirements of the most demanding applications. Our engineers design and build our products through technical and application expertise, quality-driven practices, and innovative designs. In addition, we offer a wide range of custom products to meet any need. Our flexible shaft couplings are built to outperform other models in high-performance applications.Contact us today for more information to see why Zero-Max is your trusted flexible shaft coupling manufacturer. Additionally, request a quote for more detailed specifications and pricing options.