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Where is the Car Longitudinal Beam Located?

1 Answers

EmilyMarie

07/30/25 10:39am

The rear longitudinal beam of a car is located beneath the trunk at the rear of the vehicle. Below is relevant information: 1. Frame: The frame is the most important load-bearing component in a car, and the longitudinal beam is one of its key parts. Therefore, the longitudinal beam plays a crucial load-bearing role in the vehicle. The side-rail frame and center-rail frame of a car both include longitudinal beams. Longitudinal beams are typically stamped from low-alloy steel plates, with cross-sectional shapes usually being channel-type, though some are made into Z-shaped or box-type sections. 2. Longitudinal Beam: Depending on the type of vehicle and structural layout requirements, longitudinal beams can be made curved in the horizontal or longitudinal plane, with uniform or non-uniform cross-sections. The advantage of a Z-shaped longitudinal beam is that it can make the frame uniformly wide at both front and rear, ensuring enough space in the front part of the frame to accommodate the diesel engine flywheel housing and the starter mounted on it. The drawback is that when connecting the longitudinal beam to the cross beam, a shim plate needs to be added on the upper flange of the longitudinal beam, making it less convenient to mount related assemblies on the web of the longitudinal beam.

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What does EPC displayed in the car mean?

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