Solidworks | Geartrax

The dialog box that opened was intimidating at first. It wasn't a toy. It was a cockpit. She set the gear type: External Spur . Then the real work began. She input the module (2.5), the number of teeth (24), the pressure angle (20°), and the face width (35mm). Then came the advanced fields: Profile Shift Coefficient to balance specific sliding, Backlash to 0.05mm, and Root Fillet Radius for fatigue life.

Over the next hour, Lena became a maestro. She generated the sun gear, then clicked Planetary . She defined the carrier constraints and the fixed ring gear. GearTrax automatically calculated the center distances, checked for interference, and even generated a report showing the contact ratio and expected stress values. The software did in seconds what would have taken her a week. solidworks geartrax

“Use the tool, Lena,” Tom said. “You’re an engineer, not a cartographer.” The dialog box that opened was intimidating at first