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Planetary Bevel Differential Cutaway (9-Body Driven Axle)
Heavy-duty truck driven axle bevel gear differential with quarter-section carrier casing and spiral crown ring gear exposing the 4-pin spider cross, 4 bevel planet pinions, and 2 splined side sun gears.
In a bevel gear differential, torque from the final-drive crown ring gear enters the ductile-iron carrier housing and splits equally through the 4-pin spider cross and four bevel planet pinions to the left and right side sun gears. The cutaway carrier exposes the internal spherical pocket and the 4-way bevel gear mesh.
1. Geometry & FEA Mesh
- •9 independent solid bodies: differential carrier housing (cutaway), crown ring gear (cutaway), M10 ring bolts, forged 4-pin spider cross, 4 bevel planet pinions, 2 side sun gears, 2 tapered roller bearings 30210, and 2 splined axle shafts.
- •Zero CAD Collisions Gate verified across all 9 bodies.
2. Loads & Boundary Conditions
- •Spherical inner cavity radius R = 59.5 mm provides +0.5 mm clearance to the spherical backs of the planet pinions.
3. Simulation Results & Findings
- ✓Complete 9-body assembly opens directly in the 3D viewport with individual visibility toggles for housing, crown gear, spider, planets, and axle shafts.
Illustrates multi-body automotive axle and bevel-gear differential modeling with exact internal clearances in WebCAE.
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