滑らかなシルバーの 3 スポーク トレッド タイヤ リム カート ホイール バロー ラバー 3Dモデル

説明

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Included File Formats
This model is provided in 14 widely supported formats, ensuring maximum compatibility:
• - FBX (.fbx) – Standard format for most 3D software and pipelines
• - OBJ + MTL (.obj, .mtl) – Wavefront format, widely used and compatible
• - STL (.stl) – Exported mesh geometry; may be suitable for 3D printing with adjustments
• - STEP (.step, .stp) – CAD format using NURBS surfaces
• - IGES (.iges, .igs) – Common format for CAD/CAM and engineering workflows (NURBS)
• - SAT (.sat) – ACIS solid model format (NURBS)
• - DAE (.dae) – Collada format for 3D applications and animations
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• - 3DS (.3ds) – Legacy format with broad software support
• - 3ds Max (.max) – Provided for 3ds Max users
• - Blender (.blend) – Provided for Blender users
• - SketchUp (.skp) – Compatible with all SketchUp versions
• - AutoCAD (.dwg) – Suitable for technical and architectural workflows
• - Rhino (.3dm) – Provided for Rhino users

Model Info
• - All files are checked and tested for integrity and correct content
• - Geometry uses real-world scale; model resolution varies depending on the product (high or low poly)
• • - Scene setup and mesh structure may vary depending on model complexity
• - Rendered using Luxion KeyShot
• - Affordable price with professional detailing

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More Information About 3D Model :
The described object is a specialized non-powered utility wheel assembly (UWA), designed for robust, low-velocity material transport equipment such as wheelbarrows, garden carts, hand trucks, and specialized industrial dollies. This assembly is distinguished by its unique three-spoke metallic rim design, a corrosion-resistant "silver" finish, and a resilient rubber tire intended for both smooth and semi-rough terrain.

### Nomenclature and Classification

The assembly falls under the classification of pneumatic utility transport components. Its specific attributes define it as a low-profile, semi-pneumatic or full pneumatic wheel, characterized by structural elements engineered for load bearing rather than high-speed rotation. While often referred to colloquially by its attributes (e.g., "three-spoke wheelbarrow wheel"), the formal designation pertains to the specific ISO or ANSI dimensional standards it adheres to, typically relating to axle diameter and overall diameter (OD).

### Structural Design and Materials

**Rim and Hub:**
The central structural element is the metallic rim and hub assembly, identified by a **three-spoke** configuration. This design deviates from traditional stamped-steel solid-disc rims or multi-wire spoke arrangements. The three-spoke structure is typically achieved via casting (often aluminum or zinc alloy) or precision stamping and welding of steel segments. This architecture prioritizes lateral rigidity and structural integrity under dynamic load, providing a superior strength-to-weight ratio compared to some disc designs, while reducing the material required.

The **silver** finish indicates a protective coating applied to the metallic components to mitigate environmental corrosion, particularly rust, given the wheel’s typical outdoor exposure and damp operating environments. Common treatments include galvanization (zinc coating), chrome plating, or a metallic gray powder-coat finish, ensuring durability against abrasion and chemical exposure.

**Tire Composition (Rubber, Slick, and Tread):**
The tire is constructed from vulcanized **rubber** (elastomer), designed to provide shock absorption and traction. The description utilizes the seemingly contradictory terms **"slick"** and **"tread tire"**. This usually signifies a pneumatic or semi-pneumatic tire featuring a low-profile, shallow tread pattern.

1. **Tread Tire:** Confirms the presence of a pattern (tread blocks, ribs, or grooves) necessary for effective grip on loose material, soil, gravel, or wet concrete, distinguishing it from a completely smooth roller wheel.
2. **Slick:** In this context, "slick" often refers either to the smooth transition between minimal tread elements, suggesting reduced rolling resistance, or simply to a new or non-aggressively lugged tire, contrasted with heavy-duty off-road tires. These tires are typically non-DOT rated, intended solely for low-speed, off-highway utility use.

The rubber composition may be solid, semi-pneumatic (using a foam or solid core to prevent deflation), or fully pneumatic, the latter requiring periodic inflation via a standard Schrader valve stem integrated into the rim.

### Operational Characteristics and Applications

The primary application is low-speed, human-powered **cart, wheel, and barrow** apparatus. Due to the inherent instability of the pneumatic tire system and the structural limitations of the three-spoke hub, these assemblies possess strict maximum load ratings (typically between 150 kg and 300 kg, depending on diameter and PSI) and speed limitations (usually ********** to walking pace, 5–10 km/h).

The pneumatic nature of the **rubber** tire provides crucial suspension for sensitive loads and allows the wheel to traverse uneven terrain—a necessity for typical construction or gardening applications where the wheelbarrow is utilized. Bearing systems in these wheels are generally basic roller bearings or sealed ball bearings, sufficient for intermittent, low-RPM service and low maintenance.

***

KEYWORDS: Utility wheel, Three-spoke, Pneumatic tire, Wheelbarrow, Cart wheel, Material transport, Hand truck, Silver finish, Galvanized steel, Aluminum rim, Low-speed assembly, Rubber tire, Tread pattern, Slick tire, Elastomer, Load bearing, Structural integrity, Corrosion resistance, Utility vehicle, Low-profile tread, Non-motorized, Hub assembly, Bearing system, Utility component, Garden cart, Stamped metal, Low rolling resistance, Non-highway, Mobility device, Utility apparatus.