Case Study: Roller Burnishing Replaces Hand Polishing

Summary Of Results

THE CHALLENGE

A manufacturer needed a better means of achieving the 0.5 Ra finish they required on their parts made out of a high tensile steel. Previously, this was accomplished by a turning operation followed by hand polishing to achieve the required finish.
Material: High tensile alloy steel S355J2+N
Machine: CNC Lathe 
Part Specifications: √ė240mm x 385mm long
Finish Required: 0.5Ra
Turning Operation:  245m/min @ F0.30
Finishing Operation: Hand Polishing/Abrasive paper @ 30 minutes per part

OUR SOLUTION

The Monaghan team proposed the use of an Elliott OD Carbide Roll Burnishing Tool S2075-00M in order to consistently produce the surface finish needed and reduce the total cycle time.
Burnishing speed: 245m/min
Feed: 0.15mm/rev
Diameter reduction: 0.02-0.03mm
Time Saving: 22 minutes per part in 1 operation
od carbide roller burnishing tool in turret

FINAL RESULTS

With the Elliott OD Carbide Roll Burnishing Tool, the company was able to produce a significantly finer surface finish on a consistent basis. The company no longer needed to hand polish and was able to finish the part within the CNC automated cycle. 
Roller burnishing tool in cnc machine
Our team has worked with thousands of different applications. If you have a question or are wondering if your application is a good fit for burnishing, contact us here.

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