The Plastic V-Grooved Pulley Wheel has 50mm outer diameter and 6mm width, with a V-shaped groove profile in plastic construction, for DIY robot and toy motor belt drive applications. This pulley wheel differs from the U-groove pulleys covered separately — the V-shaped groove channel creates a wedging action when a V-belt or tapered round belt is seated under tension, where increased belt load causes the belt to wedge deeper into the groove walls, self-increasing the contact force and therefore the friction grip without needing higher belt tension.
This small pulley wheels V-groove wedging behavior means more torque can be transmitted for the same belt pre-tension compared to a U-groove or flat-rim pulley of the same diameter — making this pulley wheel for robotics builds a better choice where motor drive torque is a priority over the simplicity of round belt installation. At 6mm width this pulley wheel for dc motor builds is significantly narrower than the 13mm U-groove variant covered separately, making it suited for compact mechanisms where axial space is limited.
One practical trade-off: the V-groove profile requires a matching V-belt or appropriately tapered round belt for the wedging action to function — a plain round rubber belt with vertical sides will not wedge effectively and will perform similarly to a U-groove drive. Available from StemVolt, this unit is suitable for engineers working on V-belt friction drives and practical pulley wheel for toy motor DIY robotics projects.
Related Products:
- Checkout Round Rubber Transmission Belt 2mm
Features:
- V-groove wedging action increases grip under load automatically
- Higher torque transmission than U-groove at same belt tension
- 50mm diameter for speed reduction when paired with smaller pulley
- Compact 6mm width for tight axial-space mechanism builds
- Plastic construction lightweight for DIY robot motor drives
Technical Specifications:
Applications:
- V-Groove Pulley used for DC motor V-belt torque drive build
- India robot uses small pulley wheels for compact V-belt drive stage
- Toy motor uses pulley wheel for dc motor for narrow belt drive
- DIY crane uses v groove pulley 50mm for load-efficient belt lift
Package Includes:
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1 × Plastic Pulley V Grooved Dia 50mm x 6mm
Lakshminarayanan Srinivasan –
Great value for money
Kingshuk Soti –
Trustworthy product quality
Balpreet Dhiman –
Purchased this pulley for a school science exhibition project. The pulley was lightweight, well-finished, and provided smooth belt movement.
Ranveer Singh Hada –
The product arrived on time with foam-protected packaging and was exactly as described. Its sturdy construction and accurate groove profile made it a reliable choice for DIY robots, STEM projects, and educational engineering models.