Recent Blogs
Reverse-thread Cylinder Reciprocator Mechanism: How It Works, Diagram, Parts and Uses
See how opposite-hand grooves produce back-and-forth travel from continuous rotation. Calculate ideal axial speed and travel time from pitch, rpm and stroke.
Self-reversing Motion Contrivance: How It Works, Diagram, Parts, and Traverse Speed Formula
How a self-reversing motion contrivance converts continuous rotation into reciprocating linear traverse — used on level-wind reels, winders, and lathes.
Heart-Shaped Drum Groove: Ideal Traverse Calculator | FIRGELLI
Compare ideal axial traverse speed, unwrapped lead angle, half-turn timing and entered pin-to-groove width difference.