The different sizes
Here you’ll find compact background information to help you choose the right tensioning system for your application. If you have any questions about selection or special requirements, our application consulting team is here to help.
The wide range of our tensioning systems for chains and belts allows us to meet almost any of your needs quickly and precisely.
Choice of sliding profiles
Curved profile
This is the mechanically most favorable sliding profile shape, allowing simultaneous contact with multiple rollers. The chain is optimally protected in the process.
Elliptical profile
An elliptical sliding profile with 180° rotation is the ideal option when space below the chain is limited. Alternatively, it can be mounted next to the chain (Spann-Boy®).
Deflection profile
For long chains, a deflection profile is a suitable option. The 180° redirection allows for double utilization of the extended tensioning travel. It is perfectly suited for use in reversing operation.
Block profile
For particularly heavy chains and high mass forces. The sliding profile and tensioning core are manufactured from a single piece, without any screw connections, ensuring high stability.
Half-round profile
It is designed for 90° redirections. The half-round profile contacts only a few chain rollers. This Spann-Box® type is recommended for installations with limited space.
Roller/Sprocket
For small redirections and high chain speeds (> 1 m/s), a sprocket is the right choice.
Differences in guide profiles
Roller chains are usually tensioned via their rollers, which is why our sliding profiles feature a guide profile. These can be manufactured for simplex, duplex, and triplex chains. For smaller chains (≤ 06B-1), there is also the option of using a U-profile.
Maximum drive speeds
The maximum possible speeds depend heavily on the duty cycle. For a high duty cycle, the following applies: up to 1 m/s for standard sliding profiles made from Original S® green. For higher speeds, Spann-Box® types with sprockets or sliding profiles made from high-performance materials are available.
Tensioning travel and tensioning force
To ensure the optimal force can be applied, we offer two different spring strengths (light and heavy), as well as the option to individually adjust the tensioning force by removing individual springs.
Do you need help with your selection? We are here to help you.
Find the Right Tensioning System Step by Step
Choosing the right tensioning system is essential for reliable and efficient chain and belt drive performance. Factors such as installation space, tensioning travel, drive speed, and operating conditions all influence the selection process. Companies looking to find the right tensioning system should carefully evaluate these requirements to achieve optimal performance and long-term reliability.
MURTFELDT provides a step-by-step approach to help customers find the right tensioning system for their specific application. Whether the requirement is a chain tensioner, belt tensioner, or a customized solution, the correct system helps reduce wear, extend component life, and improve operational reliability.
With wide industry experience and a complete product range, MURTFELDT can help you choose the right tensioning system. It is designed for industrial use. The result is improved efficiency, reduced maintenance requirements, and reliable performance in conveying technology, mechanical engineering, and automated production environments.