Recent Blogs
Flanged Flat-Belt Pulley: Rim Width and Clearance | FIRGELLI
Understand flange spacing, belt width and side clearance. Includes a cross-section, simple width examples and the distinction between tracking and edge restraint.
Belt at Right Angles via Guide Pulleys: How the Quarter-Turn Drive Mechanism Works
Learn how a belt at right angles via guide pulleys transfers power between perpendicular shafts in conveyor, textile and industrial drive systems.
Reversible Pulley Mechanism Explained: How It Works, Diagram, Parts, Formula, and Uses
Compare open, neutral and crossed-belt states. See how belt routing changes direction and calculate ideal output rpm from pulley diameters and input speed.
Idler Wheel: Equal-Tension Resultant Load Calculator | FIRGELLI
Calculate an ideal idler load from two equal belt-span tensions and belt direction change. Actual drive tensions, shaft stress and bearing life are not calculated.