autor: epizoda | Dub 28, 2026 | Šnek a šnekové kolo
Worm and Worm Wheel Pair Matching — Why Mix and Match Fails A worm and worm wheel are sold as a pair for a reason. Buying the worm from one supplier and the wheel from another saves nothing — the contact pattern collapses to 25 percent and the unit fails at 4 months....
autor: epizoda | Dub 28, 2026 | Šnek a šnekové kolo
Worm Gear Strength Calculation — DIN 3996, ISO 14521, AGMA 6034 From application torque to gear pair life — three standards, five failure modes, one number that decides whether the worm gear pair will run for 5 years or 25. Knowing which standard applies and why is...
autor: epizoda | Dub 28, 2026 | Šnek a šnekové kolo
Worm Gear Surface Finish — Why Smoothness Decides Service Life Run a fingernail across the worm thread — you can feel the difference between Ra 1.6 hobbed and Ra 0.4 ground. Surface finish is the friction language of every worm gear pair, and one process step can...
autor: epizoda | Dub 28, 2026 | Šnek a šnekové kolo
Worm Gear Contact Pattern — How Bluing Tests Reveal Quality A 60 to 80 percent contact band centred on the wheel tooth flank — read the bluing test like an X-ray of pair quality. Five minutes of marking compound and a turn of the worm tells you everything about...
autor: epizoda | Dub 28, 2026 | Šnek a šnekové kolo
Worm Gear Module — Choosing the Right Tooth Size for Torque What module do I need for 500 N·m output? The module is the dimensioning DNA of every worm gear pair — and the answer follows a rigorous reverse calculation that takes about 10 minutes when done correctly....
autor: epizoda | Dub 28, 2026 | Šnek a šnekové kolo
Worm Gear Center Distance — How to Calculate and Standardise One millimetre of centre distance error costs roughly 30 percent backlash growth and 5 dB more noise. Centre distance is the root-cause variable of every worm gear pair — get it right and most other problems...
