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What is the ISF Process?

ISF = Isotropic Superfinish

Any time two metal parts come into contact with each other, the resulting friction causes heat build up. These high temperatures cause wear and over time reduce efficiency and eventually create the need for replacement. By creating a smooth and shiny finish, the ISF Process improves the life and efficiency of moving metal parts. Increased life translates into lower operating costs as well as better performance.

Before/After gear detail
Before/After gear detail
Bearings
Bearings
ISF processed gear
ISF processed gear

The ISF Process removes the asperities that are inherent in the manufacturing process. By safely removing these microscopic peaks, the ISF Process leaves a much more uniform surface that reduces friction and allows for increased lubrication capability. While the dimensional integrity of the part remains intact, the result is an improved component that will operate at lower temperatures, have increased durability, quieter operation and increased time between maintenance.

The ISF Process

Before/After Electron Microscope Comparison (SEM)
Before/After Electron Microscope Comparison (SEM)

The ISF Process is a chemically accelerated vibratory mass finishing process which is patented worldwide. The process utilizes conventional vibratory finishing equipment and non-abrasive finishing media to produce an isotropic superfinished surface. It is capable of generating a surface roughness average as low as Ra 0.02. These isotropic superfinishes achieve the highest performance ratings in terms of friction, heat, noise and wear in the bearing, gear, and turbine industries.

The ISF Process is a physiochemical process. Using high density, non-abrasive ceramic media and conventional vibratory finishing equipment in which large batches of parts can be processed at the same time.

The ISF Process has been tested, proven, certified and is currently in use in many different industries. It is highly successful on parts that operate in extreme environments. The ISF Process is used in military applications and is FAA approved. The results confirm that no matter what your product is, the ISF Process will make a difference in performance, and save time, energy and money.

Examples

Overall benefits

Conversion coating principle

Frequent asked questions

 


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