Why is my overhead crane brake squealing, and how can I reduce noise?
Brake squeal is usually friction-induced vibration. On crane brakes, it often occurs when linings are glazed…
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What causes uneven braking, vibration, or “judder” on crane brakes?
Learn moreUneven braking or judder on overhead and gantry cranes is typically caused by inconsistent friction contact…
What faults can unstable brake coil voltage cause on overhead/gantry cranes?
Learn moreUnstable voltage at the brake coil can create a cascade of issues. If voltage dips, an…
What happens if the brake power supply/rectifier (e.g., DKZ) is selected incorrectly?
Learn moreSelecting the wrong brake power supply box or rectifier can cause serious reliability and safety problems…
Why does a DC electromagnetic brake have weak holding or “weak pull-in” on a crane?
Learn moreA DC electromagnetic brake that pulls in weakly usually points to an electrical supply or air-gap…
How does electro-hydraulic thruster oil leakage or low oil level affect crane brake performance?
Learn moreOn overhead and gantry cranes, electro-hydraulic thrusters are often used to release drum (block) brakes against…