From the perspective of industrial design, Shacman tipper truck series 2: The "outer garment" code of the steel monster
date:2025-05-23
Shacman dump truck Material analysis-take Shacman dumper trucks as an example
In the world of construction machinery, every steel plate selection and material combination is a crystallization of the designer's wisdom. Today, let's peel back the "steel coat" of tipper and see the material code of this engineering beast.
Skeleton system: high strength steel to create the "backbone of steel"
Shacman F3000 dump truck frame is made of high-strength alloy QSTE700TM, which has a yield strength exceeding 700 MPa, equivalent to withstanding 7 tons of weight per square centimeter. Even more impressive is the designer's use of variable cross-section beams, increasing thickness in areas under greater stress and appropriately reducing thickness in less critical areas, achieving a clever balance of "being hard where it needs to be hard and light where it needs to be light."
Sinotruk Container material: three layers of protection "mobile fortress"
As the core working part of tipper truck, the cargo box adopts a unique "sandwich" structure design:
1. Base plate layer: 6mm thick Q550 high strength steel plate provides the basic support.
2. Wear-resistant layer: Hardox450 wear-resistant steel plate is attached to the key parts, and the hardness reaches HB450.
3. Protective layer: the inner surface is sprayed with wear-resistant ceramic coating to further extend the service life. This combination makes the service life of the container more than three times longer than that of ordinary steel when transporting abrasive materials such as sand and gravel.
Driver's cab: safe and comfortable "steel capsule"
Shacman dumper truck The cab is made of galvanized steel plates produced by Baosteel, featuring a unique cage structure design. The front panel uses 1.5mm thick steel plates, while the roof cover employs 1.2mm steel plates with added reinforcement ribs, ensuring strength and weight control. More ingeniously, boron steel hot forming technology is used in critical areas such as the A-pillar, achieving an astonishing compressive strength of 1500MPa.
Dump trucks Shacman F3000 Material wisdom in detail
1. Suspension system: forged from 42CrMo alloy steel, after tempering treatment, the hardness reaches HRC28-32;
2. Hydraulic cylinder: the cylinder barrel is made of 27SiMn seamless steel pipe, and the inner surface is precision honing;
3. Sealing system: fluororubber sealing, excellent high temperature and corrosion resistance. The technological code of surface treatment
Shacman F3000 dump truck 371 The four-layer coating process of "pre-treatment + cathodic electrophoresis + intermediate coating + topcoat" is adopted:
1. De-fat and phosphating treatment to ensure the cleanliness of the substrate;
2. 20μm thick electrophoretic primer provides basic protection;
3. The middle coating of 40μm enhances the adhesion;
4. Finally, spray 60μm polyurethane topcoat to ensure that it will not fade for more than 5 years.
epilogue:
The material selection of tipper truck demonstrates the profound expertise of Chinese construction machinery in material application. From millimeter-level steel plate thickness control to nanometer-level surface treatment processes, every detail embodies the wisdom of Shacman engineers. It is these invisible materials and technologies that support this steel behemoth to operate reliably under harsh conditions.