IEC 60068-2-75 Compliant IK Vertical Hammer: Structure & Test Principles

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IEC 60068-2-75 Compliant IK Vertical Hammer: Structure & Test Principles

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IEC 60068-2-75 Compliant IK Vertical Hammer: Structure & Test Principles

The IK Vertical Hammer is a precision testing instrument engineered in strict compliance with IEC 60068-2-75 Test Ehc (vertical drop hammer method) , specifically designed for high-energy mechanical impact testing. As a core component of impact protection evaluation, it quantifies a product’s ability to withstand sudden mechanical forces—critical for validating the durability and robustness of industrial and consumer goods .​

Aligned with IEC 62262 (and its Chinese equivalent GB/T 20138) , this specialized tool performs impact tests ranging from IK07 to IK11—the high-energy segment of the IK coding system (Impact Protection Code), which classifies mechanical impact resistance from IK00 (no protection) to IK11 (highest protection) . Notably, it is exclusively intended for accessible horizontal surfaces , with its core structure comprising two essential components: a striking element (hammer) and a precision guideway .​

1. Structure of the Vertical Impact Test Apparatus​

The vertical impact test system features a streamlined, high-reliability design optimized for consistent test execution:​

Striking Element (Hammer): The primary force-delivery component, engineered to deliver precise impact energy without deformation .​

Fixed-Height Guideway: Defines the hammer’s vertical drop path, with its length directly corresponding to the impact height—ensuring the hammer falls freely and vertically .​

Electromagnetic Test Rig: Controls instantaneous hammer release, eliminating manual interference and guaranteeing repeatable drop dynamics .​

During testing, the electromagnet releases the hammer, which falls unobstructed through the guideway to strike the horizontally mounted specimen . The guideway is designed to avoid contact with the specimen, ensuring pure vertical impact force transmission.

​

2. Core Advantages of the Design​

Customizable Drop Height: Offers flexible travel height adjustment within a standard range of 0–1000mm , accommodating diverse impact point heights and enabling precise energy calibration for different IK levels.​

Rigid Specimen Support: Equipped with a high-stability planar support structure that minimizes specimen displacement during impact . This ensures uniform force distribution and eliminates test result deviations caused by unstable mounting .​

Standard Compliance: Strictly adheres to international and national standards, ensuring test data is recognized globally for certification purposes .​

3. Application Scope & Reference Standards​

3.1 Key Standards

Primary design bases: IEC 60068-2-75 (Test Ehc) and GB 2423.55 (Chinese equivalent) .​

Compliance validation: Aligns with product-specific standards including IEC 60598-1 (luminaires), IEC 62196-1 (EV charging stations), and GB 7000 .​

3.2 Typical Applications

Widely used to assess mechanical impact strength for:
1). Luminaires (streetlights, automotive lighting)
2). Household appliances
3). Electric Vehicle Charging Stations (EVCS)
4). Industrial control cabinets
5). Outdoor electrical equipment
By conducting these tests, manufacturers ensure products meet safety and reliability requirements for harsh operating environments.

Pub Time : 2025-11-25 15:53:10 >> News list

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