Lena looked at her screen. SolidWorks was open, and the GearTrax dialog was still up, displaying the sun gear’s parameters. She thought about the months of struggle, the math, the pride. Then she thought about the hum of a successful test.
She assembled the components in SolidWorks. The sun gear meshed with the planets like they were dancing. The ring gear slid over them with exactly 0.02mm of radial clearance. She ran a motion study. The rotation was silky, the contacts transferring load from one tooth to the next with textbook precision. For the first time in a month, Lena smiled. solidworks geartrax
She could sketch a spur gear in SolidWorks. Any freshman could. But a true, profile-shifted, root-filleted, precision-ground helical gear for a planetary system? That required mathematics that made her head spin. Involute curves, pressure angle modifications, tip relief, and backlash calculations that had to account for thermal expansion in 2°C Arctic water. Lena looked at her screen
She hit the button.
The problem was the Mark VII Actuator. It was a compact, high-torque marvel for a new generation of subsea drilling equipment. The heart of the actuator was a complex, nested planetary gear train. It needed to transmit 4,000 Nm of torque inside a housing no larger than a coffee can. Lena had designed the housing, the bearings, the lubrication channels. But the gears—the very soul of the machine—were defeating her. Then she thought about the hum of a successful test
Installing GearTrax into SolidWorks 2024 was seamless. A new toolbar appeared, its icon a stylized, perfect gear tooth. She clicked it.
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.