Automotive air pump series motor upper shell

High-precision Air Tightness to Prevent Air Suspension Air Leakage
The sealing planes, air chamber shoulders and motor shaft holes are precision-machined by CNC with ultra-tight dimensional and geometric tolerances. The workpiece features dense surface free of casting porosity and shrinkage cavities. It maintains reliable sealing under high-pressure operation of the air pump, eliminating failures such as air suspension pressure loss and malfunction of vehicle height adjustment.

Excellent Concentricity to Reduce Pump Noise and Wear 
The motor mounting seat and shaft hole are processed in one clamping setup to achieve superior concentricity, avoiding eccentric friction of the motor rotor. The pump runs quieter during vehicle travel with less wear on bearings and impellers, extending the service life of the air pump.

Dense & High-strength Material for Harsh Vehicle Operating Conditions
Machined from solid aluminum bar or forged aluminum via CNC cutting, the part contains no internal porosity defects. It boasts outstanding compression and vibration resistance, capable of withstanding high-pressure shocks from bumpy roads and frequent pump start-stop cycles, resisting deformation and cracking.

Consistent Machining for Mass Vehicle Assembly
All mounting screw holes and positioning grooves are produced with unified dimensions and minimal dimensional deviation between individual parts. It delivers tight fit during automated assembly and reduces risks of air leakage and abnormal noise caused by assembly clearances.

Flexible Machining to Meet Customized Pump Requirements
CNC machining enables rapid fabrication of special-shaped air channels, heat dissipation grooves and positioning bosses without casting mold development. It accommodates structural modifications for various air suspension pump models and shortens new product development cycles.