by ep | Jun 24, 2026 | Helical Gears
Helical Gear Contact Ratio — Calculating ε_α and ε_β with Worked Example Contact ratio appears in almost every helical gear engineering discussion — yet it is rarely calculated from first principles. This guide derives ε_α and ε_β from the gear geometry, works through...
by ep | Jun 23, 2026 | Helical Gears
Helical Gear vs Planetary Gear — Parallel Shaft vs Coaxial Drive Selection Helical gears and planetary gears serve fundamentally different mechanical architectures — parallel shafts versus coaxial input and output. Where both can theoretically solve the same problem,...
by ep | Jun 23, 2026 | Product Catalog
How to Specify a Helical Gear on a Technical Drawing A helical gear drawing that omits the helix hand produces the wrong part. One that specifies DIN Class 5 without specifying the tooth thickness tolerance class produces a correctly profiled gear with wrong backlash....
by ep | Jun 23, 2026 | Helical Gears
Helical Gear Backlash — Definition, Measurement, Standard Ranges and Specification Backlash in a helical gear drive is not a defect — it is a deliberately designed parameter. Too little causes thermal seizure and assembly difficulties; too much causes impact loads on...
by ep | Jun 23, 2026 | Helical Gears
Helical Gear Ratio, Centre Distance and Gear Train Calculations — Complete Worked Guide Calculating gear ratios, centre distances, and tooth counts for a helical gear drive involves a set of formulas that are straightforward individually but interact in ways that...
