Slitter Burr Growth: 4 Root Causes & Fixes
A slitter knife that produces growing burr is almost always one of four things: hone growth from wear, substrate variation, line condition drift.
troubleshooting
Troubleshooting
Diagnose premature wear, chipping, burr and chatter with field-tested decision flows.
5 articles
All Troubleshooting
Paper Slitter Edge Chipping: 4 Root Causes
Edge chipping on a paper slitter has four root causes, and each has a different fix. This article walks through the 10-minute diagnostic — visual, dimensional.
Premature Blade Wear: 5 Root Causes Diagnosed
Premature blade wear has five root causes: substrate mismatch, edge prep error, heat-treat quality, re-grind damage, and line-side operating conditions.
Why Shear Blades Crack: 4 Root Causes & Fixes
A plate shear blade that cracks at the edge is almost always one of four things: chamfer too small, hardness too high, blade gap wrong, or plate out of spec.
Blade Thermal Damage: Blue-Edge Annealing
A slitter knife that turns blue, straw or purple is being annealed in service. The edge temperature has exceeded the tempering temperature.