Recent Blogs
Prouty-Noble Self-Winding Brake: Cone-Clutch Chain Spool
How the Prouty-Nooje automatic brake works in elevators and hoists — engagement physics, sizing formula, worked example, and failure modes from FIRGELLI engineers.
Crane Friction Brake: Torque and Coefficient Comparison | FIRGELLI
Explore spring-applied friction braking and compare torque at two assumed coefficients, with fixed clamp force and geometry.
Spring-Applied Pneumatic Brake: Declared Actuator Force Ledger
Pneumatic emergency brakes use spring force and air pressure to stop heavy machinery safely. See how they work, sizing math, and real industrial examples.