Blade Wear & Replacement Urgency Check

Industry best practice is to replace a doctor blade before it reaches roughly 15% width loss from wear, rather than running it to failure. Estimate your blade’s width loss and check for the early warning signs below.

Estimated width loss so far

Do you observe any of these signs? (check all that apply) Visible chipping or a rounded (not sharp) bevel edge Audible chatter or vibration against the roll Streaking or incomplete cleaning on the roll surface Water or fiber passing under the blade

This is a general guideline based on published industry best practice (15% width-loss threshold), not a substitute for direct inspection of your blade and roll condition.

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Blade Wear & Replacement Urgency Check

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