Slinky Spring
Product Code : SCL-PLE-11764
The StemAids Slinky Spring is a high-ductility helical spring engineered specifically for the empirical observation of wave mechanics. Optimized for Primary, Secondary, and University-level physics, this apparatus provides a large-scale medium for visualizing mechanical wave propagation. Manufactured to ISO 9001:2015 standards, it facilitates the quantification of wave speed, frequency, and wavelength in both pulse and continuous wave modes within institutional laboratory environments.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Material Construction |
High-grade Spring Steel or flexible PVC (Model dependent) |
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Dimensions (Relaxed) |
Typically 75mm to 100mm in diameter |
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Expansion Capability |
Extends up to 3–5 meters without permanent deformation |
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Coil Geometry |
Flat-wire or round-wire configuration for uniform tension |
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Elasticity |
Low constant (k) to allow for slow, observable wave travel |
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Finish |
Zinc-plated or brightly colored for high visibility in large lecture halls |
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ISO Compliance Code |
Manufactured under ISO 9001:2015 Quality Management Systems |
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HS Code |
9023.00.00 (Educational/demonstrational scientific apparatus) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
- Wave Mode Interface: Facilitates student visualization of the difference between Longitudinal waves (compressions/rarefactions) and Transverse waves (crests/troughs), supporting Wave Physics Module 101.
- Velocity Quantification: Enables the physical study of wave speed, allowing learners to apply the formula v=fλ by timing pulses over a measured distance.
- Superposition Analysis: Supports the analysis of wave interference and reflection; students can observe how two pulses interact when traveling from opposite ends.
- Medium Density Evaluation: Allows students to evaluate how changing the tension or the "mass per unit length" (by bunching coils) affects the propagation speed of the wave.
International Logistics & Compliance
StemAids ensures comprehensive OEM readiness for global institutional procurement:
- Packaging: Export-grade seaworthy crating (ISPM-15 compliant) featuring "No-Tangle" internal spacers to ensure the spring arrives ready for immediate classroom use.
- Documentation: Includes Manufacturer’s Authorization Form (MAF), Certificate of Conformance (CoC), and a guide for "Mechanical Wave Demonstrations."
- Durability: High-fatigue resistance steel ensuring the spring maintains its "memory" even after thousands of expansion cycles in high-usage educational environments.
Direct OEM Sourcing Advantages
Procuring the StemAids Slinky Spring directly ensures vertical manufacturing control:
- In-House Tension Balancing: Every spring is batch-tested for uniform coil spacing, ensuring that wave pulses travel smoothly without reflection from internal irregularities.
- Material Integrity Control: Direct oversight of the wire-drawing process ensures the steel is not over-tempered, preventing "snapping" or permanent kinking during student handling.
- Direct Factory Spares Availability: Bulk procurement options for entire classroom sets, ensuring consistent specifications across all laboratory workstations.
- Manufacturing Control: Selection of high-contrast finishes (Bright Zinc or Chrome) provides maximum visibility for students seated at the back of large physics laboratories or auditoriums.