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Collar & Coupling Corner

Recommended

Exceeding Max Temperature Of A Plastic Shaft Collar?

About: What happens when you exceed the manufacturer's recommended maximum temperature for a plastic shaft collar?


Recommended

Dynamically Balanced Couplings vs Balanced Design?

About: What is the different between a dynamically balanced coupling and a coupling with a balanced design?


Recommended

What Does Recommended Gap Mean?

About: What does "recommended gap" mean when installing two-piece shaft collars and rigid couplings?


Interchange

How Do I Interchange Couplings With Different RPM Ratings?

About: Interchanging industrial components can be a challenge under ordinary circumstances, but how can you interchange couplings with different maximum speed ratings?


Best

What Is The Best Coupling for a Mixer?

About: What coupling has the best performance characteristics for mixing applications?


Disc

Why Is My Disc Coupling Slipping On The Shaft?

About: What could cause a disc coupling to slip on the shaft?


Exceed

Can I Exceed A Rigid Coupling's Torque Rating?

About: Can I exceed Ruland's rigid coupling torque ratings?


Minimum

What Are The Minimum & Maximum Shaft Gaps For A Coupling?

About: How close or far apart can my shafts be when installing a shaft coupling?


Threaded

What Is The Axial Holding Power Of A Threaded Shaft Collar?

About: How does a threaded shaft collar's holding power differ from that of a round bore collar?


Hard Stop Breaking Beam Couplings

Why Are My Beam Couplings Breaking When They Come To A Hard Stop?

About: Why are my beam couplings breaking?


Replace Rigid Coupling With Flexible Coupling

Can I Replace A Rigid Coupling With A Flexible Coupling?

About: When can I replace my rigid coupling with an equivalent flexible coupling?


Extra Thin Collars

Do You Make Extra Thin Shaft Collars?

About: How thin can you make shaft collars?


Jaw Coupling Spider Nubs

The Nubs On My Jaw Coupling Spider Don't Insert Into The Hub Holes. How Do I Install Them?

About: How do I install the spider into my jaw coupling?


One or Two Piece Rigid Couplings?

Which Is Better: A One- Or Two-Piece Rigid Coupling?

About: Is one type of rigid coupling outright better than the other?


Coupling Shafts Too Close

What Should I Do If My Shafts Are Closer Than The Coupling Disk Allows?

About: How should I couple two shafts that are too close for my coupling type?


Hex Bore Couplings

Do You Make Hex Bore Couplings?

About: Does Ruland manufacture hex bore couplings as part of its standard product line?


Coupling D Shafts

How Should I Couple Two D Shafts?

About: How do I treat d shafting in my coupling application?


Controlflex Couplings for Encoders

Will A Controlflex Coupling Work On My Encoder?

About: Is a Controlflex coupling right for my encoder application?


Singing

Why Is My Beam Coupling Making A Singing Noise?

About: What could cause a beam coupling to "sing?"


One

What's Better: One- Or Two-Piece Shaft Collars?

About: Do clamp collars and split collars both have their uses or is one better than the other?


Bellows

Why Is the Number of Convolutions In A Bellows Coupling Important?

About: How does the number of convolutions affect the performance of a bellows coupling?


Shaft

Should My Shaft Collar's Bore Be Greater Than My Bore's Diameter?

About: When selecting a shaft collar will a 1" bore fit a 1" shaft or should you choose something slightly larger?


Aluminum

What Are The Performance Differences Between Aluminum & Stainless Steel Oldham Coupling Hubs?

About: Learn why Ruland made stainless steel oldham coupling hubs a standard product.


jaw coupling spider colors

What Do Different Jaw Coupling Spider Colors Mean?

About: Jaw coupling spiders do not all share the same properties but what exactly do the different colors represent?


shaft collar on pipe

Can A Shaft Collar Be Used On A Pipe?

About: Pipes are certainly a type of shaft but there are considerations to make before using a shaft collar on a pipe.


set screw add security

Will A Set Screw Add Security To A Clamp Style Shaft Collar?

About: Is combining set screw and clamp styles actually the best way to maximize holding power?


torque types

What Is The Difference Between Static, Dynamic, and Dynamic Reversing Torque?

About: Different types of torque have different implications in your application.


torque before shaft collar slippage

How Much Torque Will Cause A Shaft Collar To Slip On The Shaft?

About: Shaft collar slippage can cause detrimental issues. How much torque before you are at risk?


keep dust out of coupling

How Do I Keep Dust Out Of Gaps In My Coupling?

About: Some applications require that the coupling be kept free of dust. What's the solution?


pilot bore coupling

Can I Buy A Ruland Coupling With A Pilot Bore?

About: Pilot bores are a common addition to couplings but do they come standard?


quick clamp collar axial load

What Quick Clamping Shaft Collar Is Best For An Axial Load Application?

About: With a new quick clamping shaft collar style now available there are bound to be some differences.


unanodized bores

What Do You Mean By "Bores Can Be Unanodized?"

About: Why would the rest of the hub be anodized but not the bore?


Can A Ruland Shaft Collar Be Welded?

About: Sometimes an application requires additional components to be attached to the shaft collar. Can you weld them onto a Ruland collar?


What Is Nypatch Coating?

What Is Nypatch Coating?

About: What's the big deal with Ruland's proprietary screw coating?


What Is A Keyway?

About: For some it's an indispensable component feature. Others may need to ask, "what is a keyway?"


What Is The Minimum Temperature Rating Of a PEEK Oldham Disc?

About: PEEK discs begin to experience altered performance in extreme temperatures. The question is, how low can you go?


Can Quick Clamping Shaft Collars Be Used To Hold Cables In Place?

About: Quick clamping shaft collars are quick and easy to install and reposition, but what applications are they suited for?


Can You Manufacture A Rigid Step Bore Coupling With Keyways?

About: Learn about one-piece rigid couplings and the options designers have when designing with a step bore requirement.


What Is The Axial Load Capacity Of Ruland Servo Couplings?

About: Find out how to approach axial load parameters in your servo coupling application.


What Shaft Coupling Is Best For A Subsea Application?

About: What coupling is best suited to stand up against exposure to seawater?


What Is The Maximum Size Jaw Coupling You Can Make With A Keyway?

About: Jaw couplings are often manufactured with keyways, but is there a size limit?


Can A Beam Coupling Be Manufactured With Keyways?

About: Is it possible to to make a beam coupling with keyways and is it a good idea?


What are quick-clamping shaft collars

Are Oldham Couplings Zero-Backlash?

About: What are the backlash properties of a Ruland oldham coupling?


What Is The Axial Load Of A Shaft Collar?

About: Learn how to use our axial load data to calculate the axial load of your Ruland shaft collar.


What Is The Clamping Tolerance of A Quick Clamping Shaft Collar?

About: This video goes over how Ruland Quick Clamping Shaft Collars with Cam Levers possess a different tolerance than other clamping shaft collars.


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