FBT-01 Ball Drop Tester

The ball drop tester is an essential instrument used to evaluate the impact resistance of materials such as plastic sheets, films, and protective eyewear. This test is crucial in industries like packaging, automotive, and safety equipment manufacturing, ensuring that materials can withstand external forces without significant damage.

Ball Drop Tester - Ball Impact Test for Safety Glasses
Ball Drop Tester

Understanding the Ball Drop Tester

The device works by dropping a steel ball of a specified mass and diameter from a predetermined height onto the test specimen. The degree of damage or deformation is analyzed to assess impact resistance. This test is particularly important in compliance with safety standards such as ANSI Z87.1 impact test.

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ANSI Z87.1 Impact Test: Key Requirements

The ANSI Z87.1 impact test is a standardized method designed to evaluate the impact resistance of protective eyewear. The purpose of this test is to ensure that safety glasses, goggles, and face shields meet minimum safety requirements to protect users from high-velocity projectiles.

Test Apparatus and Setup

  • A rigid headform is used to secure the test specimen in a face-up position.
  • A 25.4 mm (1.0 in.) diameter steel ball, weighing 68 g (2.4 oz), serves as the projectile.
  • The steel ball is released from a height of 127 cm (50 in.) through a guided tube.
  • The headform base has a mass of at least 30 kg (66 lb) to ensure stability during testing.

Test Procedure

  1. The test specimen is securely mounted on the headform, mimicking real-world use conditions.
  2. A supporting block is placed behind the specimen to maintain proper alignment.
  3. The steel ball is dropped onto the lens or material surface in line with the eye area.
  4. The test is repeated four times on different points of the lens for accuracy.
  5. The impact damage is analyzed to determine if the material meets safety criteria.

FBT-01 Falling Dart Impact Tester

Key Features:

  • Adjustable impact height for customized testing scenarios
  • Multiple ball size options for varied testing applications
  • Electromagnetic ball suspension for precise release timing
  • Pneumatic sample clamping for secure specimen positioning
  • Multi-unit test result display for easy data interpretation
  • Integrated micro-printer for on-site result documentation
  • Optional professional software for advanced data analysis

Technical Specifications:

  • Impact Height: Adjustable from 300 mm to 600 mm (extendable as needed)
  • Ball Diameters: 23 mm, 25 mm, 28.6 mm, 38.1 mm, 50.8 mm
  • Accuracy: 0.1g (0.1J)
  • Specimen Size: Minimum 150 mm x 150 mm
  • Gas Supply: 0.6 MPa PU Pipe (Φ8 mm)
  • Power Supply: AC 110~220V, 50Hz

Ball Impact Test: Factors Affecting Results

The ball impact test measures how well materials withstand forceful contact with a falling object. Several factors influence test results:

1. Drop Height

Higher drop heights generate greater impact energy, simulating more extreme real-world scenarios.

2. Ball Size and Mass

Larger and heavier balls exert greater force upon impact, affecting how much a material deforms or breaks.

3. Material Properties

Toughness, thickness, and elasticity all contribute to how a material absorbs and disperses impact energy.

Why Choose Impacttesting.net’s
FBT-01 Ball Drop Tester

The ball drop tester is a critical tool for manufacturers and quality control professionals. It helps ensure that materials meet impact resistance requirements, providing confidence in product durability and user safety. Whether testing protective eyewear under ANSI Z87.1 standards or conducting general ball impact tests, this method plays a vital role in material performance assessment.

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