چرخ تریلر کامیون و کامیون سنگین برای اروپا

2. Five Key Product Advantages

3. How It Works — Engineering Behind Every Truck Trailer Wheel

The manufacturing of a high-performance چرخ تریلر کامیون begins not at the pressing machine but at the material receiving dock. Incoming steel coil is checked against the material test certificate using X-ray fluorescence spectroscopy to verify alloy composition, and tensile coupon testing confirms that mechanical properties are within specification before any production is authorized. This input quality gate is what separates a traceable heavy duty truck trailer wheel from one that may carry a similar dimensional specification but with no material accountability.

The rim shell is produced by roll-forming: a length of steel strip is progressively shaped through a series of forming rolls that bend the flat stock into the characteristic stepped profile of the 22.5-inch rim — flange, gutter, bead seat, drop center. The drop center is the critical geometry that allows tubeless tire mounting: it provides the circumferential recessed channel that the tire bead falls into during mounting, and the bead seat taper (5 degrees) is machined or roll-finished to the precise angle that creates the airtight seal between tire bead and rim under inflation pressure. This bead seat geometry is one of the most dimensionally sensitive features of the entire چرخ تریلر کامیون, and any deviation from specification directly affects the ability of the wheel to hold air at operating pressures of 8–9 bar for super single applications.

The disc is produced by deep-draw pressing from a steel blank, forming the spoke geometry, vent holes, and bolt circle in a multi-stage tooling sequence. The bolt holes are then finish-drilled to the 26 mm diameter with a tolerance tight enough to ensure that the lug nuts achieve uniform face contact across all ten positions when the truck trailer wheel nut torque of 590–620 N·m is applied. Uneven contact — caused by oversized or out-of-pitch bolt holes — is a documented cause of premature stud fatigue, which is why hole-to-hole pitch tolerance is controlled to within ±0.2 mm on this series.

Once the rim and disc are dimensionally verified, they are assembled and welded using robotic MIG welding under programmed parameters that guarantee full joint penetration. The assembled چرخ تریلر کامیون then passes through a 100% air-pressure leak test (the bead seat and weld seam are the two leak paths), a 100% dynamic balance check, and a dimensional check at the 281 mm bore and PCD before the painting line. Any wheel that does not meet specification at any of these stations is quarantined and scrapped — not reworked for re-release — ensuring that the population of wheels reaching the customer contains only conforming units.

4. Material Composition

The structural integrity of a heavy duty truck trailer wheel is ultimately a function of the steel it is made from, the geometry of its cross-section, and the quality of the weld joining rim to disc. This series addresses all three elements through disciplined material selection and controlled production processes. The rim shell uses SPFH590 (a hot-rolled high-strength low-alloy grade equivalent to ASTM A653 Grade 80 or EN 10149 S500MC), which offers a minimum yield strength of 440 MPa and tensile strength of 590–730 MPa combined with a minimum elongation at fracture of 18%. The high elongation value is not incidental — it is what allows the material to survive the forming operations of roll-profiling and flanging without developing micro-cracks at tight-radius bends, and what gives the finished truck wheel the ductility to deform plastically rather than fracture catastrophically if overloaded in a road incident.

The disc pressing uses DP600 dual-phase steel, a material whose microstructure consists of hard martensite islands dispersed within a soft ferrite matrix. This dual-phase structure provides a unique combination of high initial work-hardening rate (which helps the disc maintain its geometry under repeated bending cycles) and good energy absorption during crash events. The DP600 grade also exhibits a Bauschinger effect that is favorable for the cyclic loading profile of a rotating heavy duty truck trailer wheel disc: the material hardens under the first few thousand loading cycles and then stabilizes at an elevated effective yield point, giving the disc a progressive strengthening behavior during early service that improves long-term fatigue resistance.

The corrosion protection system is engineered to withstand the full range of environments this چرخ تریلر کامیون may encounter: de-icing salt on Northern European roads during winter months, coastal salt air on Colombia’s Caribbean and Pacific trade corridors, tropical rain and humidity in equatorial Colombia, and the acidic road contamination from diesel exhaust and tire rubber debris on all routes. The process begins with mechanical shot blasting to Sa 2.5 surface cleanliness (ISO 8501-1), which removes mill scale and creates a surface roughness profile (Rz 40–70 µm) that promotes coating adhesion. An epoxy primer is applied electrostatically at 40–60 µm DFT, followed by a polyester or polyurethane topcoat at 60–80 µm DFT. The complete coating system withstands ≥ 480 hours of neutral salt spray testing without reaching the corrosion rating threshold specified in ISO 9227, providing meaningful real-world corrosion resistance across the service life of the wheel.

۵. سناریوهای کاربردی

6. Regulatory Compliance & Standards

European Union

Commercial vehicle wheels sold into the European market are subject to ECE Regulation No. 124 (R-124), which mandates bending fatigue testing and radial fatigue testing at the stated maximum load with prescribed safety factors. Additionally, EU Directive 96/53/EC and Regulation (EU) 2015/719 define maximum axle load limits for trans-European road network operations — the regulatory framework within which the load ratings of this چرخ تریلر کامیون series are calibrated. Rim dimensions must conform to ETRTO (European Tyre and Rim Technical Organisation) standards to ensure dimensional interoperability with European commercial tires. The quality management system behind this production meets ISO 9001:2015, providing the documented process control that European procurement teams expect from a primary heavy duty truck trailer wheel supplier.

Colombia

In Colombia, road transport vehicle standards for commercial trailers are regulated by the Ministerio de Transporte through Resolución 4100 de 2004 and its amendments, defining maximum vehicle dimensions and axle loads for the national road network. The Instituto Nacional de Vías (INVIAS) enforces per-axle load limits at weighbridge stations on primary routes. Importers bringing truck trailer wheels into Colombia through ports such as Cartagena, Buenaventura, or Barranquilla are required to provide customs documentation including commercial invoices, Certificates of Origin, and technical datasheets. The product series described on this page is supported by material test certificates, dimensional inspection records, and third-party test reports — documentation that meets the requirements of Colombian customs and NTC (Norma Técnica Colombiana) quality expectations for vehicle components. Colombian fleet operators who need to demonstrate axle load compliance under INVIAS inspection benefit directly from the verifiable load ratings documented in the test records accompanying each batch of heavy duty truck trailer wheels.

United States — FMCSA

For operators in Colombia who also supply or operate in the North American market, the Federal Motor Carrier Safety Administration (FMCSA) under 49 CFR Part 393 establishes maintenance requirements for commercial vehicle wheel assemblies: wheels must be free from cracks, elongated bolt holes, and missing fasteners, and wheel replacement records must be maintained for compliance audit. The documentation package available for this چرخ تریلر کامیون series supports the traceability requirements of FMCSA recordkeeping expectations.

Brazil — INMETRO / CONTRAN

Brazil’s national standards body INMETRO, operating under CONTRAN Resolution No. 811/2020, requires that truck trailer wheel products imported for commercial vehicle use carry conformity certification. Brazilian importers should verify compatibility with ABNT NBR standards for rim dimensions and load ratings. Several wheel models in the broader product range carry Inmetro conformity certification, confirming that the manufacturer’s quality processes are aligned with third-party certification requirements applicable in Brazil’s commercial vehicle component market — a relevant reference for Colombian buyers who operate cross-border logistics with Brazil.

۷. درباره ما

Our manufacturing infrastructure spans seven dedicated wheel production bases and one complete tire and wheel assembly facility located across Fuyang, Shandong, Chengdu, and Thailand. The high-end production facility alone covers approximately 400,000 square feet and will ultimately operate four production lines at a combined annual capacity of six million pieces. Production equipment was sourced from Germany, Sweden, Spain, Japan, and the United States — the same countries that developed the world’s most advanced wheel manufacturing technology — and all assembly, welding, and handling processes are performed by industrial robots, not manual labor. In-line machines perform 100% inspection at every critical station, enforcing a zero-escape policy on dimensional and quality defects.

Our National-Level Testing Center operates the full spectrum of wheel qualification equipment: German RMS cornering fatigue test machines, US ITS radial fatigue test rigs, dynamic balance analyzers, CMM coordinate measuring systems, salt spray chambers, UV aging ovens, and X-ray fluorescence spectrometers for material verification. This testing infrastructure is what backs the stated load ratings, fatigue lives, and corrosion resistance values of every Truck Trailer Wheel we supply — not manufacturer assertion, but documented test data from accredited equipment. We hold ISO 9001:2015 certification and have been designated a National Export Base of Auto Parts. Our OEM customer base includes Volkswagen, GM, Ford, Volvo, and CIMC, whose quality audit requirements demand the same engineering discipline applied to every export product, including the heavy duty truck trailer wheel series on this page.

کارگاه

8. Related Products — One-Stop Axle System Supply

Every چرخ تریلر کامیون functions within a system. Sourcing compatible axle components from the same supply base eliminates dimensional mismatches and gives fleet procurement teams a single point of accountability. We supply the following products engineered to work directly with this wheel series:

سوالات متداول