How to adjust the indexing angle of the Cam Indexer?

Oct 14, 2025Leave a message

Hey there! As a supplier of Cam Indexers, I often get asked about how to adjust the indexing angle of these nifty devices. So, I thought I'd put together this blog post to share some tips and tricks on the topic.

First off, let's quickly go over what a Cam Indexer is. A Cam Indexer is a mechanical device that converts continuous rotary motion into intermittent motion. It's used in a wide range of industries, from packaging and printing to automation and robotics. The indexing angle is the angle through which the output shaft rotates during each indexing cycle. Adjusting this angle can be crucial for achieving the right timing and precision in your application.

Understanding the Basics of Indexing Angle Adjustment

Before you start adjusting the indexing angle, it's important to understand the basic components of a Cam Indexer. Most Cam Indexers consist of a cam, a follower, and an output shaft. The cam is the heart of the indexer, and it has a specially designed profile that determines the motion of the follower. As the cam rotates, the follower rides along its profile, causing the output shaft to rotate in a precise and controlled manner.

The indexing angle is determined by the shape of the cam profile. Different cam profiles can be designed to achieve different indexing angles. For example, a cam with a more aggressive profile will result in a larger indexing angle, while a cam with a more gradual profile will result in a smaller indexing angle.

Tools You'll Need

To adjust the indexing angle of a Cam Indexer, you'll need a few basic tools. These include:

  • Wrenches: You'll need a set of wrenches to loosen and tighten the bolts that hold the indexer in place.
  • Screwdrivers: Depending on the design of your indexer, you may need a screwdriver to adjust the position of the cam or the follower.
  • Dial Indicator: A dial indicator is a precision measuring tool that can be used to measure the movement of the output shaft. This is useful for ensuring that the indexing angle is accurate.

Step-by-Step Guide to Adjusting the Indexing Angle

Now that you have the necessary tools, let's walk through the steps for adjusting the indexing angle of a Cam Indexer.

Step 1: Stop the Machine

Before you start making any adjustments, make sure the machine is turned off and the power is disconnected. This will prevent any accidental movement of the indexer and ensure your safety.

Step 2: Locate the Adjustment Points

The adjustment points on a Cam Indexer will vary depending on the model and manufacturer. In most cases, you'll need to loosen the bolts that hold the indexer in place and then adjust the position of the cam or the follower. Refer to the manufacturer's manual for specific instructions on how to locate and access the adjustment points.

Step 3: Make Small Adjustments

Once you've located the adjustment points, start making small adjustments to the position of the cam or the follower. Use a dial indicator to measure the movement of the output shaft as you make these adjustments. Make sure to make only small adjustments at a time, as even a small change can have a significant impact on the indexing angle.

Step 4: Check the Indexing Angle

After making each adjustment, check the indexing angle using a dial indicator or other measuring tool. Compare the measured angle to the desired angle and make further adjustments as needed. Keep in mind that it may take several attempts to achieve the desired indexing angle.

Step 5: Tighten the Bolts

Once you've achieved the desired indexing angle, tighten the bolts that hold the indexer in place. Make sure the bolts are tightened to the recommended torque specification to prevent any movement of the indexer during operation.

Step 6: Test the Machine

After tightening the bolts, turn on the machine and test the operation of the indexer. Observe the movement of the output shaft and make sure it is rotating smoothly and accurately. If you notice any issues, such as uneven movement or incorrect indexing, repeat the adjustment process until the problem is resolved.

Cam Indexer for Mask MachineHollow Bore Rotary Indexers

Tips and Tricks

Here are some additional tips and tricks to keep in mind when adjusting the indexing angle of a Cam Indexer:

  • Take Your Time: Adjusting the indexing angle can be a delicate process, so take your time and be patient. Rushing through the process can lead to inaccurate adjustments and potential problems down the road.
  • Keep Records: It's a good idea to keep a record of the adjustments you make, including the amount of adjustment and the resulting indexing angle. This will help you track your progress and make any necessary adjustments in the future.
  • Use a Professional: If you're not comfortable adjusting the indexing angle yourself, or if you're having trouble achieving the desired results, consider hiring a professional to do the job. A professional technician will have the experience and expertise to make the adjustments accurately and safely.

Types of Cam Indexers

There are several different types of Cam Indexers available on the market, each with its own unique features and benefits. Some of the most common types include:

  • Hollow Bore Rotary Indexers: These indexers have a hollow bore in the center of the output shaft, which allows for the passage of cables, pipes, or other components. They are commonly used in applications where space is limited or where a high degree of flexibility is required.
  • Multiple Stations Cam Indexer For Oscillating Handler: These indexers are designed to provide multiple indexing positions, making them ideal for applications that require precise positioning and control. They are commonly used in oscillating handlers, such as those used in the packaging and assembly industries.
  • Globoidal Cam Indexers: These indexers use a globoidal cam to drive the output shaft, which provides a smooth and efficient motion. They are commonly used in high-speed applications where accuracy and reliability are critical.

Conclusion

Adjusting the indexing angle of a Cam Indexer is an important task that requires careful attention to detail and the use of the right tools. By following the steps outlined in this blog post and keeping these tips and tricks in mind, you can ensure that your Cam Indexer is operating at its best and providing the precise and reliable motion you need for your application.

If you're in the market for a Cam Indexer or need help with adjusting the indexing angle of your existing indexer, don't hesitate to reach out to us. We're a leading supplier of Cam Indexers and have the expertise and experience to help you find the right solution for your needs. Contact us today to learn more and start the procurement process.

References

  • Manufacturer's manuals for Cam Indexers
  • Industry standards and best practices for Cam Indexer operation and maintenance