Daily Brief:What Key Design & Manufacturing Points Are Covered in Automotive Side Step Prototyping?

Vehicle side steps are applicable to high-ground-clearance models such as SUVs and pickups, delivering both practical functions and decorative value. Functionally, they lower entry height to improve accessibility; aesthetically, they fit body lines and upgrade vehicle visual texture. Qualified side steps must meet three core standards: heavy load capacity, all-weather durability and integrated styling matching.

Full R&D Process

Concept phase: Hand sketches + 3D digital modeling; simulation software conducts load and stress analysis;

Iterative verification: Multiple prototype rounds, real-vehicle field tests, and multi-stakeholder feedback collection;

Finalization: Optimize structure and appearance based on test data to confirm mass-production design.

DFM Design & Main Material Comparison

Design for Manufacturing (DFM) serves as core principle, aiming to simplify assembly, boost yield, cut cost and balance lightweight & recyclability. Pros & cons of mainstream materials:

Aluminum: Lightweight, corrosion-resistant with high machining precision, yet higher raw & production cost;

Reinforced plastic: Low molding cost and strong moldability, inferior overall durability vs aluminum.

Four Core Design Considerations

User demographics: Adjust step width and ground clearance based on target users;

Vehicle compatibility: Unified mounting structure to fit multiple vehicle platforms;

Safety compliance: Follow industrial regulations to eliminate load and scratch risks;

Cost balance: Coordinate material, mold and processing expense to balance quality and price.

Side step R&D must balance practicality, appearance, manufacturability and safety compliance. DFM design, material selection and multi-round real-vehicle tests are critical for mature products. Digital simulation and eco lightweight materials will become core differentiated advantages in the future.

SHIJUN Automobile Factory

Automotive Body Parts Manufacturer

OEM / ODM | Sample & Drawing Based

Design • Tooling • Production

Factory Direct • No Middle Margin