Recent Blogs
External/Internal Sector Gears: Reversing-Motion Calculator | FIRGELLI
Explore a pinion driven alternately by external and internal gear sectors. Compare ideal forward and return travel, dwell and quick-return speed.
Mutilated Rack Frame: Alternate Spur-Gear Rotation
Explore alternate spur-gear rotation from upper and lower rack runs on one moving frame. Calculate ideal rotation, pitch length and travel time.
Two-toothed Cam Pinion: Ideal Indexing-event Calculator
Compare ideal one-pitch indexing events from equally spaced effective teeth. Tooth contact, locking geometry and load capacity are not calculated.
Alternating Motion Mechanism: How It Works, Diagram, Parts, Formula and Uses Explained
Explore a sector pinion driving opposing racks. Calculate theoretical pitch-arc travel and cycle rates, including the difference between dwell and interfering settings.