Machine Friction of Belts Apparatus Manufacturer,Supplier and Exporter in India
Product Code : EL-AMLE-8944
Jlab Export is a leading Machine Friction of Belts Apparatus Manufacturer,and suppliers in India
Machine Friction of Belts Apparatus (code EL-AMLE-8944) is a wall-mounted rig for studying how the tensions on the two sides of a belt differ, using vee, rope and flat belts on an aluminium alloy pulley of about 150 mm diameter with a groove machined for each. The pulley is graduated at 15 degree intervals, so the angle of lap can be set and read. The belt friction rig is produced by JLab at Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Belts | 3: vee, rope and flat |
| Pulley | Aluminium alloy, approx. 150 mm diameter, machined grooves to suit the three belts |
| Pulley graduation | 15 degree intervals |
| Load hangers | 2 |
| Mounting | Wall mounted |
| Dimensions (excluding weights) | 230 × 150 × 280 mm |
| Weight (excluding weights) | 10 kg (approx.) |
| Manual | Instruction manual for student and lecturer |
| Quality check | Each belt friction apparatus is visually inspected before dispatch |
| Pack quantity | Each (sold individually) |
| Minimum order quantity | 1 unit |
| Dispatch time | Usually 14–18 working days |
| Product code | EL-AMLE-8944 |
| Manufacturer | Jain Laboratory Instruments Pvt Ltd (JLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
The Tension Ratio and Angle of Lap
With the belt lapped over the pulley and a load hanger on each end, weights are added to one side until the belt is on the point of slipping. The tight-side to slack-side tension ratio then follows T1/T2 = e^(μθ), where μ is the coefficient of friction between belt and pulley and θ the angle of lap in radians, so tests at several lap angles give μ for each belt section.
Vee, Rope and Flat Belts Compared
A flat belt grips only through friction on the pulley face. A vee belt or a rope wedges into its groove, which presses it harder against the groove sides, so at the same angle of lap it holds a larger tension ratio than the flat belt; testing all three on one pulley puts that difference into figures.
Related Belt, Rope and Screw Apparatus
- Rope Belt Friction Apparatus — cotton rope on interchangeable vee-groove pulleys with variable lap angle.
- Wall Mounted Screw Jack — efficiency tests on square and V form screws.
Find the other friction and machine rigs in Applied Mechanics Lab Equipments, part of Mechanical Engineering Lab Equipment.
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Last updated: 30 October 2026
