CAGE WHEEL TRACTOR METAL TYRE TIRE RIM LUG PADDY RICE FIELD FARM 3D Model

Description

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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)
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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 :
A cage wheel, often designated as a skeleton wheel or paddy wheel, is a specialized metallic traction device engineered for agricultural tractors operating in saturated, low-bearing-strength soils, predominantly associated with wetland rice cultivation (paddy fields). These wheels are essential for minimizing sinkage and maximizing propulsive efficiency in environments where conventional pneumatic rubber tires would experience excessive slippage and inadequate flotation due to the presence of deep, liquefied mud and shallow water.

### Design and Nomenclature

The cage wheel assembly is characterized by its open, skeletal structure, which contrasts sharply with the solid surface of traditional tires. The primary components include:

1. **Rim (or Hub Mount):** The central circular structure designed to affix the wheel securely to the tractor's axle hub. This component transfers the engine torque to the traction surface.
2. **Lugs (or Paddles/Cleats):** Radial projections, typically fabricated from steel flat bar or angled iron, extending outward from the rim. These are the functional elements responsible for engagement with the soil and generating thrust. Lugs are strategically spaced, creating the defining "caged" appearance.
3. **Spokes/Bracing:** Structural elements connecting the inner rim to the hub mount, ensuring the rigidity and durability of the assembly under heavy loads and torsional stress.

The inherent design—featuring large apertures between the lugs—is critical for hydraulic performance. These openings facilitate the rapid expulsion of water and slurry (puddling) as the wheel rotates, preventing the accumulation of material and the buildup of hydrostatic resistance, thereby maintaining efficient engagement with the solid sub-layer.

### Functional Mechanics in Paddy Environments

The operation of the cage wheel addresses the dual challenges of flotation and traction specific to wetland farming:

#### 1. Flotation

Flotation is achieved by significantly increasing the contact area between the propulsion system and the substrate. The large diameter and width of the cage wheel distribute the tractor's weight over a wider footprint, reducing the ground pressure exerted on the soft mud. This prevents the tractor from sinking excessively into the soil horizon, ensuring the operational depth remains viable for implements such as rotavators or rice transplanters.

#### 2. Traction (Propulsion)

Traction is generated through the physical *********** and shear stress provided by the lugs. The lugs function as paddles, utilizing the cohesive strength of the soil slurry and penetrating down to the firmer clay layer or hardpan (plough sole) that often exists beneath the tilled, saturated zone. The angular momentum of the tractor wheel rotation drives these lugs deep into the sub-surface, generating the necessary forward thrust to overcome rolling resistance. The pitch, length, and shape of the lugs are variable parameters optimized for specific soil types and desired levels of puddling (the mixing of water and soil necessary for wetland rice planting).

### Application and Integration

Cage wheels are indispensable during the preparatory stages of rice farming, including wet tillage (harrowing and puddling), leveling, and transplanting operations. They are commonly employed in two primary configurations:

1. **Primary Replacement Wheels:** The cage wheels completely replace the standard pneumatic drive tires on the rear axle, offering maximum floatation for highly challenging conditions.
2. **Dual or Supplemental Wheels:** The metal cage wheel is mounted externally alongside the existing rubber tire. In this supplementary role, the rubber tire carries the primary vertical load, while the cage wheel provides substantial auxiliary traction and lateral stability in the softened soil.

The use of cage wheels is essential for maintaining the integrity of the soil profile, ensuring uniform puddling, and optimizing traction performance in environments otherwise impassable for conventional farm machinery.

KEYWORDS: CAGE WHEEL, SKELETON WHEEL, PADDY FIELD, WETLAND FARMING, RICE CULTIVATION, TRACTOR ATTACHMENT, METAL LUG, STEEL PADDLE, AGRICULTURAL ENGINEERING, FLOTATION, TRACTION DEVICE, FARM IMPLEMENT, SOIL MECHANICS, SHEAR STRESS, GROUND PRESSURE, MUD TRACTION, HYDROSTATIC PRESSURE, TYRE REPLACEMENT, DRIVE WHEEL, AXLE HUB, TILLAGE EQUIPMENT, HARROWING, PUDDLING, RICE TRANSPLANTER, LUG DESIGN, SOIL SLURRY, WET TILLAGE, POWER TILLER, AGRICULTURAL MACHINERY, CLEAT.