How to Choose Diamond Dressing Tools?

Single Point Diamond Tool

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Single Point Indexable Diamond Tools

MultiPoint Diamond Tools

Diamond Cluster Tools

The market is filled with diamond tool options and not every tool is created equally. The following four questions can be used to help choose the proper diamond tool for your application.

1. Are you using a simple or an intricate form? 

Simple Form

Grit Tool: Long tool life and reduced dressing costs  

Intricate Form

Single Point: the metal surrounding the diamond(s) in a grit tool could hit the sides of the wheel, resulting in a form error. 

Special form tools with coned or chiseled diamond tips: The diamonds in these tools are lapped in a way that allows you to hit all those small angles and radii in your form. The more intricate your form, the more intricate you need your tool to be.

2. Do you value initial cost or overall price?

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Non-resettable tools

The diamonds only have one settable point and are disposable with a low initial cost.  Non-resettable tools are also the most cost efficient option if resetting is not practical. 

Resettable tools 

The diamonds used for these tools are higher quality with multiple points suitable for dressing (up to four settable points). Once the diamond has been worn, return the tool to the factory for the diamond to be reset it in a new shank. Although there is a higher upfront cost, resetting the diamond costs a fraction of a new single point tool and yields significant savings over time. 

3. What carat size does your abrasive supplier recommend for the width and diameter of your wheel?

When it comes to choosing the carat weight for your diamond tool, think about the wheel diameter and width of your machine; the larger these numbers are, the larger the carat weight must be. If you are unsure, follow your abrasive supplier&#;s guidelines. Using an undersized diamond causes the stones to become superheated, even when grinding wet, which will soften the stone and cause undue wear to your machine and poor wheel conditioning.

4. Are you concerned about turning your dressing tools? 

Some are reluctant to turn dressing tools, even though it extends the life of the tool, because of the risk of misalignment. Indexable tools solve this problem by not requiring loosening during indexing.  This alleviates the risk of misalignment and makes them the tool of choice for many operators. With a two-part construction featuring separate head and shank pieces, it is easy to simply turn the indexable head with a wrench while the tool shank stays in place. 

 

For an in-depth look at dressing solutions, check out our article on optimizing grinding processes with the proper truing and dressing tools. There are a lot of considerations to make when choosing the appropriate diamond tool for your job, but the decision does not have to be intimidating.