Design-Setup-Manufacture-Inspect

and now

Gear Shop ERP

Our free gear calculators on this website have been run more than 3.5 million times by engineers, machinists, students, and teams worldwide. The current use rate is more than 3,000 times per day. GearCalculators.com is the next step: a faster, modern platform where you can save your machines, change gears, hobs, master gears, and pins, then reuse that data for quoting, setups, and tooling decisions. Accurate trochoid geometry for low tooth count gears and Profile shift capabilities are included in the generators to enable efficient and strong gear pinion designs. The DXF exports allow you to design gears that are not part of any CAD software like Solidworks or Fusion 360. When the mission matters, this is where you can make real gains in performance.

Built from years of real-world feedback, GearCalculators.com is evolving into a lightweight ERP for gear shops — while the original calculators remain free here on EvolventDesign.com. Optional subscriptions unlock project saving, text-based data import/export, and other advanced features when you’re ready.  

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