What is the parallelism requirement for installing a Cam Driven Indexer?

Sep 12, 2025Leave a message

When it comes to the installation of a Cam Driven Indexer, parallelism is a crucial factor that directly impacts the performance, accuracy, and longevity of the equipment. As a leading supplier of Cam Driven Indexers, we understand the significance of meeting the parallelism requirements during the installation process. In this blog, we will delve into what the parallelism requirement for installing a Cam Driven Indexer is and why it matters.

Understanding Cam Driven Indexers

Before we discuss the parallelism requirements, let's briefly understand what a Cam Driven Indexer is. A Cam Driven Indexer is a mechanical device that converts continuous rotational motion into intermittent rotary motion. It is widely used in various industrial applications, such as packaging machinery, printing presses, and assembly lines, where precise indexing and positioning are required.

There are different types of Cam Driven Indexers available in the market, including Globoidal Cam Indexers, Fixed Multi - station Rotary Indexer, and Swing Roller Gear Index Table. Each type has its own unique features and applications, but they all rely on accurate installation to function properly.

The Importance of Parallelism in Cam Driven Indexer Installation

Parallelism refers to the condition where two or more surfaces or axes are equidistant from each other at all points. In the context of Cam Driven Indexer installation, parallelism is mainly concerned with the alignment of the indexer's mounting surface and the mating surface of the machine or equipment it is being installed on, as well as the alignment of the input and output shafts.

1. Ensuring Accurate Indexing

One of the primary functions of a Cam Driven Indexer is to provide precise indexing. If the indexer is not installed with proper parallelism, it can cause uneven loading on the cam and rollers, leading to inaccurate indexing. This can result in misaligned products during the manufacturing process, which can ultimately affect the quality of the final output. For example, in a packaging machine, inaccurate indexing can cause the packages to be misaligned, leading to issues such as incorrect labeling or improper sealing.

2. Reducing Wear and Tear

Proper parallelism helps to distribute the load evenly across the components of the Cam Driven Indexer. When the indexer is installed with misaligned surfaces or shafts, it can create excessive stress on certain parts, causing premature wear and tear. This can significantly reduce the lifespan of the indexer and increase the frequency of maintenance and replacement. By ensuring parallelism during installation, we can minimize the stress on the components and extend the service life of the indexer.

Ultra Thin Cam Indexing DriveGloboidal Cam Indexers

3. Improving Operational Efficiency

A Cam Driven Indexer that is installed with proper parallelism operates more smoothly and efficiently. Misaligned components can cause vibrations and noise during operation, which not only affects the working environment but also consumes more energy. By achieving parallelism, we can reduce these issues and improve the overall operational efficiency of the equipment.

Parallelism Requirements for Cam Driven Indexer Installation

1. Mounting Surface Parallelism

The mounting surface of the Cam Driven Indexer and the mating surface of the machine or equipment should be parallel within a specified tolerance. Typically, the parallelism tolerance for the mounting surface is in the range of a few thousandths of an inch (or a few tenths of a millimeter). This can be measured using precision measuring tools such as dial indicators or laser alignment systems.

To ensure proper mounting surface parallelism, the mounting surface should be cleaned and inspected for any irregularities before installation. If necessary, the surface can be machined or ground to achieve the required flatness and parallelism. Additionally, shims can be used to adjust the height and alignment of the indexer during installation.

2. Shaft Parallelism

The input and output shafts of the Cam Driven Indexer should also be parallel to each other within a certain tolerance. Misaligned shafts can cause excessive stress on the bearings and couplings, leading to premature failure. The parallelism tolerance for the shafts depends on the size and type of the indexer, as well as the application requirements.

To achieve shaft parallelism, the shafts should be aligned using alignment tools such as coupling alignment kits or laser shaft alignment systems. During the alignment process, it is important to consider the thermal expansion and contraction of the components, as well as the dynamic forces acting on the shafts during operation.

Installation Process to Ensure Parallelism

1. Preparation

Before installing the Cam Driven Indexer, it is essential to carefully read the installation manual provided by the manufacturer. The manual contains detailed instructions on the installation process, including the recommended parallelism tolerances and the use of specific tools and techniques.

The mounting surface and the shafts should be thoroughly cleaned to remove any dirt, debris, or burrs. This will ensure a proper fit and prevent any interference during installation.

2. Mounting the Indexer

The indexer should be placed on the mounting surface and aligned using the appropriate measuring tools. Shims can be inserted between the indexer and the mounting surface to adjust the height and alignment. Once the indexer is approximately aligned, the mounting bolts can be loosely tightened.

3. Shaft Alignment

The input and output shafts should be aligned using the alignment tools. This may involve adjusting the position of the motor or other driving components to ensure that the shafts are parallel. The alignment should be checked and adjusted multiple times during the installation process to ensure accuracy.

4. Final Tightening

After the indexer and the shafts are properly aligned, the mounting bolts can be tightened to the recommended torque specifications. This will ensure that the indexer is securely fastened to the mounting surface and that the shafts are held in the correct position.

Conclusion

In conclusion, the parallelism requirement for installing a Cam Driven Indexer is of utmost importance. It directly affects the performance, accuracy, and longevity of the indexer. By understanding the importance of parallelism and following the proper installation procedures, we can ensure that the Cam Driven Indexer operates at its best.

As a reliable supplier of Cam Driven Indexers, we are committed to providing high - quality products and comprehensive technical support. If you are considering purchasing a Cam Driven Indexer or need assistance with installation and alignment, please feel free to contact us for further discussion and procurement negotiation.

References

  • "Mechanical Design Handbook" by Robert C. Juvinall and Kurt M. Marshek
  • Manufacturer's installation manuals for Cam Driven Indexers