16 stamping-die failures — common cases & early warning signs
Before a die breaks, there is almost always a sign: the load drifts across shifts, parts drop more slowly, burrs grow on one side. This document helps your team recognise them — before they turn into a real line stoppage.
Compiled from PRESTEC engineers' hands-on experience repairing presses and resolving die failures.
What's in the document
16 failures — arranged by where they occur
From feeding, part ejection and press load to auxiliary equipment — each failure in one consistent frame: symptom → early sign → consequence if ignored, ready to hand straight to the operating shift for reference.
Signs you can spot at no cost
Every early sign is observable with your existing process — the operator sees it, maintenance checks it at shift handover, no equipment investment needed yet.
Failure & monitoring-signal cross-reference
The technical basis for assessing a die-protection system: which failures need an automatic stop before the next stroke, and which are trend-monitored.
Five self-assessment questions for your plant
Quickly locate your current risk level: from being able to trace a cause after a failure to the signal quality of the protection sensors you already have.
The three fastest die-breaking failures share one trait: from onset to a broken die is exactly one stroke apart — on a machine running 60 strokes/min, that is one second. No matter how skilled the operator, they cannot replace a check loop that runs at machine speed.
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About PRESTEC
PRESTEC inspects, maintains, repairs, upgrades, installs and supplies engineering solutions for mechanical presses, stamping-die systems and auxiliary equipment in metal-forming production lines. Our die-protection solution grew out of real on-site troubleshooting, on three principles: intelligent monitoring — instant alerts — connected data management via IoT.
