Recent Blogs
Dividing Head: Simple Indexing Calculator | FIRGELLI
Calculate crank turns, whole turns, hole-circle advance and ideal spindle step for simple indexing. Check whether the selected circle permits an integer hole move.
Four-Jaw Independent Chuck: TIR and Ideal Correction | FIRGELLI
Explore independent jaw adjustment and estimate ideal screw turns from initial TIR, target TIR and screw pitch, with clear measurement assumptions.
Vernier Caliper: Ideal Scale Reading and Least Count
Explore direct-vernier scale spacing and calculate the ideal reading from coincident graduations. Least count is separate from instrument accuracy.