Standard 8 Eight Octuple Groove Track Pulley Sheave Wheel V 3D Model
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3D Model Details
| Vendor: | surf3d |
| Published: | Jan 08, 2026 |
| Download Size: | 7.1 MB |
| Game Ready: | – |
| Polygons: | 28,396 |
| Vertices: | 18,923 |
| Print Ready: | – |
| 3D Scan: | – |
| Textures: | – |
| Materials: | Yes |
| UV Mapped: | – |
| PBR: | – |
| Rigged: | – |
| Animated: | – |
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Standard 8 Eight Octuple Groove Track Pulley Sheave Wheel V 3D Model
High-quality 3D assets at affordable prices — trusted by designers, engineers, and creators worldwide. Made with care to be versatile, accessible, and ready for your pipeline.
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
Buy with confidence. Quality and compatibility guaranteed.
If you have any questions about the file formats, feel free to send us a message — we're happy to assist you!
Sincerely,
SURF3D
Trusted source for professional and affordable 3D models.
More Information About 3D Model :
A Standard Eight (8) Octuple Groove Track Pulley Sheave Wheel V-Belt is a specialized mechanical component engineered for high-capacity, multi-axis rotational power transmission systems utilizing friction-based V-belts. This component, often referred to simply as an eight-groove sheave, is defined by its ability to simultaneously accommodate and transmit power through eight parallel V-belts, providing substantially increased torque capacity and redundancy compared to single- or dual-groove systems.
### Nomenclature and Standardization
The designation "Standard" confirms that the pulley adheres strictly to established industrial specifications concerning dimensions, geometry, and material composition, ensuring interchangeability and compatibility with standardized V-belt profiles (e.g., ISO, DIN, or RMA specifications). Common compatible belt types include Classical sections (A, B, C) and Narrow sections (SPZ, SPA, SPB, SPC), with the pulley profile determined by the specific belt cross-section it is designed to engage. The term "Octuple Groove" explicitly references the configuration of eight circumferential tracks, machined around the pulley's periphery.
### Design and Geometry
The functional integrity of the octuple groove pulley relies upon the precision machining of its track geometry. Each of the eight grooves is characterized by a precise trapezoidal cross-section. This geometry facilitates the "wedging action" essential to V-belt drives, where the belt seats deeply into the groove walls, amplifying frictional grip as tension increases.
Critical geometric parameters that govern the pulley's performance include:
1. **Pitch Diameter ($D_p$):** The theoretical diameter at which the belt’s pitch line rests, crucial for calculating speed ratios (velocity ratio).
2. **Groove Angle ($\alpha$):** Typically standardized between 34 and 38, ensuring optimal contact pressure and minimizing belt wear.
3. **Groove Spacing and Alignment:** The uniformity of the groove-to-groove pitch must be exceptionally precise across all eight tracks. Inconsistent spacing leads to unequal load sharing, resulting in premature wear on certain belts and potential system failure.
Due to the inherent width and mass of octuple-groove sheaves, manufacturers often incorporate spoke designs or web structures to minimize weight while maintaining structural rigidity. The hub is precision-bored to accept shafts and may feature keyways, set screws, or taper-lock bushing systems (e.g., Taper-Lock, QD Bushings) for secure mounting and ease of installation and removal.
### Materials and Manufacturing
The substantial static and dynamic loads inherent in eight-belt systems necessitate robust construction materials. The most common material for standard sheaves is high-grade gray cast iron (e.g., ASTM Class 35 or EN-GJL-250), favored for its excellent damping characteristics, stability, and cost-effectiveness. For extremely high-speed or shock-load applications, ductile iron or structural steel (AISI 1045) may be utilized.
Manufacturing processes typically involve initial casting or forging, followed by precision machining utilizing Computer Numerical Control (CNC) lathes. Adherence to strict tolerances, particularly regarding bore concentricity and groove profile accuracy, is mandatory. Furthermore, larger and higher-speed octuple groove pulleys require dynamic balancing, often adhering to ISO 1940 standards (e.g., G6.3 or finer), to mitigate vibration, bearing strain, and noise during operation.
### Applications
Octuple groove pulleys are specified for heavy industrial and commercial applications requiring continuous, high-horsepower transmission and robust reliability. Typical operational environments include:
* Large industrial compressors and blowers.
* Heavy-duty crushing and grinding machinery.
* Oil and gas sector pumping systems.
* High-inertia applications requiring significant starting torque.
* Primary drives for large ventilation and HVAC systems.
The multi-belt configuration offers essential load sharing, ensuring that even in the event of failure of one or two belts, the drive system can often continue operating until a scheduled maintenance interval.
KEYWORDS: Power transmission, Octuple groove, Eight groove, V-belt pulley, Sheave wheel, High load capacity, Industrial drive, Multi-belt system, Standard geometry, Pitch diameter, Groove profile, Cast iron, CNC machining, Dynamic balancing, Torque transfer, Rotational component, Drive ratio, Frictional drive, Mechanical component, Taper-Lock, Shaft coupling, V-belt drive, Standardized component, Heavy duty, Power transfer, Machine element, Groove angle, Concentricity, Redundancy, ISO 5294.
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
Buy with confidence. Quality and compatibility guaranteed.
If you have any questions about the file formats, feel free to send us a message — we're happy to assist you!
Sincerely,
SURF3D
Trusted source for professional and affordable 3D models.
More Information About 3D Model :
A Standard Eight (8) Octuple Groove Track Pulley Sheave Wheel V-Belt is a specialized mechanical component engineered for high-capacity, multi-axis rotational power transmission systems utilizing friction-based V-belts. This component, often referred to simply as an eight-groove sheave, is defined by its ability to simultaneously accommodate and transmit power through eight parallel V-belts, providing substantially increased torque capacity and redundancy compared to single- or dual-groove systems.
### Nomenclature and Standardization
The designation "Standard" confirms that the pulley adheres strictly to established industrial specifications concerning dimensions, geometry, and material composition, ensuring interchangeability and compatibility with standardized V-belt profiles (e.g., ISO, DIN, or RMA specifications). Common compatible belt types include Classical sections (A, B, C) and Narrow sections (SPZ, SPA, SPB, SPC), with the pulley profile determined by the specific belt cross-section it is designed to engage. The term "Octuple Groove" explicitly references the configuration of eight circumferential tracks, machined around the pulley's periphery.
### Design and Geometry
The functional integrity of the octuple groove pulley relies upon the precision machining of its track geometry. Each of the eight grooves is characterized by a precise trapezoidal cross-section. This geometry facilitates the "wedging action" essential to V-belt drives, where the belt seats deeply into the groove walls, amplifying frictional grip as tension increases.
Critical geometric parameters that govern the pulley's performance include:
1. **Pitch Diameter ($D_p$):** The theoretical diameter at which the belt’s pitch line rests, crucial for calculating speed ratios (velocity ratio).
2. **Groove Angle ($\alpha$):** Typically standardized between 34 and 38, ensuring optimal contact pressure and minimizing belt wear.
3. **Groove Spacing and Alignment:** The uniformity of the groove-to-groove pitch must be exceptionally precise across all eight tracks. Inconsistent spacing leads to unequal load sharing, resulting in premature wear on certain belts and potential system failure.
Due to the inherent width and mass of octuple-groove sheaves, manufacturers often incorporate spoke designs or web structures to minimize weight while maintaining structural rigidity. The hub is precision-bored to accept shafts and may feature keyways, set screws, or taper-lock bushing systems (e.g., Taper-Lock, QD Bushings) for secure mounting and ease of installation and removal.
### Materials and Manufacturing
The substantial static and dynamic loads inherent in eight-belt systems necessitate robust construction materials. The most common material for standard sheaves is high-grade gray cast iron (e.g., ASTM Class 35 or EN-GJL-250), favored for its excellent damping characteristics, stability, and cost-effectiveness. For extremely high-speed or shock-load applications, ductile iron or structural steel (AISI 1045) may be utilized.
Manufacturing processes typically involve initial casting or forging, followed by precision machining utilizing Computer Numerical Control (CNC) lathes. Adherence to strict tolerances, particularly regarding bore concentricity and groove profile accuracy, is mandatory. Furthermore, larger and higher-speed octuple groove pulleys require dynamic balancing, often adhering to ISO 1940 standards (e.g., G6.3 or finer), to mitigate vibration, bearing strain, and noise during operation.
### Applications
Octuple groove pulleys are specified for heavy industrial and commercial applications requiring continuous, high-horsepower transmission and robust reliability. Typical operational environments include:
* Large industrial compressors and blowers.
* Heavy-duty crushing and grinding machinery.
* Oil and gas sector pumping systems.
* High-inertia applications requiring significant starting torque.
* Primary drives for large ventilation and HVAC systems.
The multi-belt configuration offers essential load sharing, ensuring that even in the event of failure of one or two belts, the drive system can often continue operating until a scheduled maintenance interval.
KEYWORDS: Power transmission, Octuple groove, Eight groove, V-belt pulley, Sheave wheel, High load capacity, Industrial drive, Multi-belt system, Standard geometry, Pitch diameter, Groove profile, Cast iron, CNC machining, Dynamic balancing, Torque transfer, Rotational component, Drive ratio, Frictional drive, Mechanical component, Taper-Lock, Shaft coupling, V-belt drive, Standardized component, Heavy duty, Power transfer, Machine element, Groove angle, Concentricity, Redundancy, ISO 5294.
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