Mechanics
Preliminary one-blow upsetting geometry screening
Checks L/d, D/d, and e/d proportions against FIA Rule 1, Rule 2, or Rule 3.
Related calculators
Cylindrical stock volume conservation in upsetting
Calculates idealized solid cylindrical stock geometry under constant-volume upsetting.
Cutting speed
Calculates cutting speed from diameter and spindle rpm.
Workshop drilling time
Calculates drilling time from drilling depth and feed rate.
Workshop milling feed rate
Calculates milling feed rate from feed per tooth, tooth count, and rpm.
Turning feed rate
Calculates turning feed rate from feed per revolution and rpm.
Simple metric tap drill size
Estimates tap drill diameter as nominal diameter minus pitch.