Torsion Apparatus/Barton's Apparatus (Vertical Pattern)
Product Code : SCL-MH-11947
The Torsion Apparatus (Barton’s Vertical Pattern) is a precision-engineered Educational Instrument designed for the empirical determination of the modulus of rigidity in cylindrical specimens. Compliant with ISO 17025 laboratory standards for metrological consistency, this vertical-mount system is optimized for undergraduate physics and mechanical engineering laboratories. It facilitates high-accuracy shear strain measurements through a three-point circular scale configuration and frictionless load transmission.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Structural Chassis |
Reinforced Steel Frame on Heavy Cast Iron Base with dual leveling screws |
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Specimen Rod Dimensions |
Length: 900mm; Diameter: 5mm (Standard) |
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Clamping Mechanism |
Precision 3-Jaw Chuck (Upper) and Torsional Drum Axis (Lower) |
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Measurement Interface |
3x Freely sliding circular scales (graduated 0-360° in single degrees) |
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Loading System |
Frictionless pulley transmission with dual scale pans |
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Standard Accessories |
3x Variant Test Rods, high-tensile strings, 2x calibrated pans |
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HS Code (Inferred) |
9023.00 (Instruments, apparatus and models, designed for demonstrational purposes) |
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Operational Weight |
8.0 kg – 10.0 kg |
Key Pedagogical Outcomes
Feature: 3-Jaw Chuck and Torsional Drum Clamping.
Outcome: Ensures zero-slip boundary conditions during torque application, allowing students to accurately isolate material deformation from mechanical play.
Feature: Multi-Point Sliding Circular Scales.
Outcome: Facilitates the measurement of angular twist at various longitudinal points, enabling the verification of the linear relationship between length and torsion.
Feature: Frictionless Pulley Load Application.
Outcome: Minimizes parasitic torque losses, ensuring that force input data aligns with theoretical calculations for shear stress.
Feature: Interchangeable Test Rods.
Outcome: Allows for comparative analysis of different alloy compositions, supporting Solid Mechanics modules regarding material-specific rigidity constants.
International Logistics & Compliance
Engineered for global distribution, this Educational Instrument is housed in export-grade, seaworthy crating (ISPM-15 compliant) to ensure structural integrity during maritime or air freight. Documentation provided includes the Manufacturer’s Authorization Form (MAF), internal ISO-compliant calibration reports, and comprehensive technical manuals in English. The unit features a tropicalized finish—utilizing powder-coated cast iron and corrosion-resistant alloys—tested for sustained operational accuracy in environments reaching 45°C and 90% humidity.
Why Source from the OEM?
As a vertically integrated manufacturer established in 1946, our production facility maintains total control over the metallurgy and machining of every component. Unlike traders, our "Science City" assembly hub utilizes in-house precision grinding and batch-testing protocols to ensure uniformity across high-volume institutional tenders. Procurement officers benefit from direct factory spares availability, ensuring a product lifecycle exceeding 10 years in active laboratory use.
