Rigidity Apparatus (Searle's Pattern)
Product Code : SCL-MH-11958
This precision apparatus is engineered for the empirical determination of the modulus of rigidity of specimen wires using the dynamic torsional oscillation method. Designed for University and Vocational engineering curricula, it facilitates high-accuracy shear modulus calculations through inertia manipulation. The system complies with standardized mechanical testing principles for material characterization, ensuring repeatable data acquisition in advanced undergraduate metrology environments.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Frame Material |
Precision-machined Brass (Corrosion-Resistant) |
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Component Configuration |
Two identical 300mm (30cm) frames connected by specimen wire |
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Inertia Mass Set |
Two Solid and Two Hollow Brass Cylinders (matched dimensions) |
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Dimensions (Frames) |
Length: 300mm per frame |
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Attachment System |
Hardened clamping chucks for zero-slip wire retention |
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ISO Compliance Code |
Manufactured under ISO 9001:2015 Quality Management Systems |
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HS Code |
9023.00 (Instruments, apparatus and models, designed for demonstrational purposes) |
Key Pedagogical Outcomes
Feature: Interchangeable Solid and Hollow Cylindrical Masses. Outcome: Allows students to isolate the moment of inertia and calculate the Rigidity Modulus (η) through differential oscillation periods, supporting Advanced Mechanics Module 102.
Feature: Symmetrical Dual-Frame Geometry. Outcome: Facilitates the study of torsional constants and restorative torque in elastic materials, reinforcing Bloom’s Taxonomy levels of Analysis and Evaluation.
Feature: High-Tensile Specimen Wire Interface. Outcome: Enables the quantification of shear stress and strain relationships, providing empirical validation for Hooke’s Law in torsion.
Feature: Low-Friction Suspension Point. Outcome: Minimizes damping effects for prolonged oscillation, ensuring higher precision in period (T) measurement for statistical error analysis.
International Logistics & Compliance
As a specialized Educational Instrument OEM, we ensure all units are prepared for global distribution via export-grade seaworthy crating (ISPM-15 compliant) to maintain calibration during transit. Every shipment includes a Manufacturer’s Authorization Form (MAF), IQ/OQ/PQ Certification guidelines, and comprehensive Technical Manuals in English. The apparatus features a tropicalized design, utilizing stabilized alloys and anti-corrosive finishes tested for sustained operation in laboratory environments reaching 45°C and 90% humidity.
Why Source from the OEM?
Procurement through our vertically integrated facility eliminates the metallurgical inconsistencies associated with third-party traders. Our in-house machining process includes precision turning of the mass cylinders to ensure identical volumetric displacement and weight distribution. By maintaining direct control over the foundry and assembly stages, we guarantee batch-tested uniformity and direct factory spares availability, ensuring the instrument remains a functional institutional asset for multi-decade lifecycles.
