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Swashplate Axial Piston Hydraulic Pump Cutaway (10-Body Assembly)
High-pressure 7-piston swashplate hydraulic pump with quarter cutaway through the ribbed cast iron housing, rear high/low-pressure port block, and rotating cylinder barrel exposing the stroked plungers and bronze hydrostatic slippers.
In a swashplate axial piston pump, rotation of the 7-bore cylinder barrel against a stationary 15° angled swashplate drives seven spherical-head steel plungers through a sinusoidal reciprocating stroke (z_i = −R_pitch·cos(θ_i)·tan 15°), drawing fluid through the low-pressure kidney port and discharging it at up to 350 bar through the high-pressure port of the bronze valve plate.
1. Geometry & FEA Mesh
- •10 independent solid bodies: ribbed cast iron housing (cutaway), rear port block with bolts (cutaway), splined drive shaft, 15° swashplate cradle, 7-bore cylinder barrel (cutaway), 7 steel pistons, 7 bronze slippers, angled retainer plate, bronze valve plate, and front/rear shaft bearings.
- •Zero CAD Collisions Gate verified: 0.000 mm³ overlap across all 10 bodies.
2. Loads & Boundary Conditions
- •Each of the 7 pistons and bronze slippers is positioned along Z according to its exact angular phase on the 15° swashplate plane.
3. Simulation Results & Findings
- ✓10 hydraulic pump components load with physical cast-iron, steel, and bronze colors for immediate 3D inspection.
Demonstrates high-precision hydraulic fluid-power machinery modeling in WebCAE.
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