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 .