Paper calender monitoring
Pulp & paper calenders: rolls, nips and drive — Bently, SDT, Artesis. KEG TRK.
Calenders
Calenders set sheet smoothness and caliper. Roll unbalance, bearing and drive wear spoil profile and stop the paper machine. Heat and load accelerate defects.
Monitor roll bearings, drive/gearbox/coupling, Artesis current on jams, frame vibration. SCOUT/online on critical rolls + Artesis; SDT on rounds. Correlate with paper machines and washers.
See paper machines, washers.
Roll temperature gradients fake unbalance — capture spectra only after thermal soak.
SDT for paper calender monitoring monitoring
SDT Ultrasound instruments deliver full acoustic condition monitoring in dusty, noisy plants
Artesis — continuous drive monitoring
Artesis EMCM analyzes motor current and voltage without sensors on the machine
Bently Nevada — vibration diagnostics
Permanent and distributed systems for critical mining assets
Olympus — thickness gauging and videoscopes
When vibration finds a symptom, Olympus confirms metal, weld or internal cavity condition
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