A Letter From Our President. During the current situation with the COVID-19 virus, Precision Roll Grinders remains open for business to meet all of our customers’ roll servicing needs. The health and safety of our employees, as well as our customers and partners, is of primary concern. We are monitoring the COVID-19 situation very closely, taking appropriate health measures, and are confident we can abide by locally imposed policies while continuing to seamlessly support and provide value to our customers’ business operations. If you have any questions about PRG’s accessibility or operations please do not hesitate to contact us.


5 Tips for Extending the Life of Your Rolls

Keeping your production line running smoothly is a key factor in maintaining your company's efficiency, productivity and quality output. Nothing slows a production line down faster than frequent roll maintenance and replacement. Not only does the downtime required for roll swapping slow down your production schedule, but the increased grinding costs of out-of-spec rolls can really add up and affect your bottom line.

We've compiled the following five tips to help you extend the life of your rolls, saving you money and guaranteeing consistent quality output.

1. Concentricity -- Make sure that your rolls are truly round and concentric to the bearing seat prior to installation. Concentricity is the most important factor in preventing roll degradation.

2. Profile & Spec Check -- Double check that your rolls are ground to the necessary specifications (or better) and that your grind profiles are exactly what you requested. Out-of-spec rolls can dramatically affect sheet quality and consistency.

3. Barring & Feed Lines -- Inspect all the rolls in a multinip position to ensure that they are free of barring, feed lines and chatter. Even the slightest surface inconsistencies will increase exponentially at full operating speeds.

4. Coatings -- Use coatings on all applicable rolls. Surface coatings like Roll Armor protect the surface of your rolls from wear and extend their production life, resulting in less frequent replacement requirements.

5. Bearings & Bearing Seats -- Partner with a roll grinding provider who regularly inspects every roll's bearings and bearing seats, verifying and correcting (if necessary) the size, geometry and contact of the bearing seats.
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