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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
• - glTF (.glb) – Modern, lightweight format for web, AR, and real-time engines
• - 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 Standard Double Groove Track Pulley Sheave Wheel is a fundamental component within mechanical power transmission systems, defined by its function as a guide and torque transfer mechanism utilizing two parallel transmission belts. This component is alternately referred to as a pulley, sheave, or belt wheel, adhering to standardized specifications to ensure interoperability and reliable performance within industrial machinery.

A sheave is a wheel with one or more circumferential grooves designed to accept and securely seat a corresponding belt. The designation Double Groove (or 2 Two Track) signifies that the component features two distinct, parallel depressions engineered to guide and provide frictional surface contact for two separate power transmission belts, typically V-belts, simultaneously. This dual configuration is employed to significantly increase the overall torque capacity and power throughput of the drive system compared to single-belt configurations of equivalent diameter, while also offering improved redundancy and load distribution across the driving and driven shafts.

The term Standard implies that the sheave's critical dimensions—including the pitch diameter (PD), bore size, groove angle ($\theta$), and profile dimensions (depth and width)—conform to established international and national standards, such as those set by ISO (International Organization for Standardization), ANSI (American National Standards Institute), or DIN (Deutsches Institut für Normung). Common standardized groove profiles correspond to Classical V-belt sections (A, B, C, D) or Narrow V-belt sections (3V, 5V, 8V).

The primary function of the double-groove sheave is the efficient transfer of rotational kinetic energy between two or more parallel shafts. When paired with V-belts, the grooves utilize the principle of frictional wedging; as the belt enters the groove, it seats firmly along the side walls, creating high normal forces proportional to the tension, which maximize the static coefficient of friction and minimize slippage.

The use of two belts ensures that the total required tension is distributed, reducing the risk of premature wear or catastrophic failure in a single line. Key operational parameters include:

1. Speed Ratio: Determined by the ratio of the pitch diameters between the driving sheave and the driven sheave, dictating speed reduction or multiplication.
   
2. Torque Capacity: Directly proportional to the number of belts utilized and the effective coefficient of friction achieved by the belt profile.
   
3. Dynamic Balance: Given that sheaves often operate at high rotational speeds, standardized sheaves are typically machined to tight tolerances and may be dynamically balanced to reduce vibration, particularly critical in multi-belt systems where uneven mass distribution can lead to catastrophic oscillation.
   
   ### Design and Construction
   
   Standard double-groove sheaves are typically manufactured using robust materials selected for strength, durability, and resistance to fatigue and abrasion.
   
   
4. Materials: Common construction materials include grey cast iron (ASTM A48 Class 30 or higher) for general industrial applications due to its excellent vibration dampening properties and low cost; nodular or ductile cast iron (for applications requiring higher strength); and high-grade steel or aluminum alloys for high-speed, precision, or lightweight requirements.
   
5. Mounting: Sheaves are mounted onto shafts via standardized bore configurations. These may include fixed bores, taper-lock bushings, QD (Quick-Disconnect) bushings, or standard keyways, ensuring a secure, non-slip fit capable of transmitting maximum rated torque.
   
   ### Applications
   
   Standard 2-track sheaves are integral to high-capacity industrial systems across virtually all sectors requiring reliable, medium- to high-power transmission. Typical applications include: industrial pumps, air compressors, ventilation fans and HVAC systems, motorized conveyors, machine tools (lathes, mills), crushers, and agricultural implements. Their standardization allows for easy sourcing, replacement, and design integration across diverse machinery lines.
   
   KEYWORDS: Pulley, Sheave, V-Belt, Power Transmission, Double Groove, Dual Track, Mechanical Component, Standardized, Torque Transfer, Pitch Diameter, Belt Drive, Industrial Machinery, Cast Iron, Keyway, Taper Bushing, Load Distribution, High Capacity, Two Track, Rotational Energy, Frictional Drive, Narrow Section, Classical Section, Drive System, ANSI, ISO, Dynamic Balance, Sheave Wheel, Groove Profile, Speed Ratio, Drive Gear.