Safety Helmet Molten Metal Splash Resistance Tester
Category：Universal Strength Tester
Introduction
The Safety Helmet Molten Metal Splash Resistance Tester is a testing device designed to evaluate the protective performance of safety helmets against splashes of molten metal. It simulates molten metal contact under controlled conditions to ensure helmets can prevent burns or injuries in high-temperature industrial environments.
Standards
Compliant with the latest safety helmet standards GB/T2812-XXXX and GB 2811-2019.
Application
The Safety Helmet Molten Metal Splash Resistance Tester is designed in accordance with GB/T2812-2019 and GB 2811-2019 for safety helmets. It is primarily used to test the resistance of safety helmets against molten metal splashes. The device is widely used by special labor protection product inspection stations, construction science research institutes, construction project quality testing stations, power industry departments, and safety helmet manufacturers.
Key Specifications
| Parameter | Specification |
|---|---|
| Tilting height | Standard 225 ± 5 mm, adjustable with a range of 100 mm |
| Tilting temperature | 0–1800℃, standard temperature 1400 ± 20℃ |
| Molten metal | 150 ± 10 g of iron with a purity of not less than 93%, melted into liquid |
| Cooling method | Control system water-cooled, test chamber air-cooled |
| Equipment dimensions | 1250 × 750 × 1350 mm |
| Power supply | 380V, 50Hz, 25 kW |
Features
Equipped with a medium-frequency induction heating system, capable of melting metals such as iron and stainless steel.
Uses full solid-state frequency conversion with automatic frequency tracking, resonant dual-control soft switching, and series resonance technology for high heating efficiency, low energy consumption, and reliable safety.
The equipment is protected against overcurrent, overvoltage, low water, and phase loss, ensuring both device and operator safety.
Electric control for tilting and return, making operation safe and convenient.
Adjustable tilting height and angle, suitable for helmets of different sizes.
Bidirectional exhaust function allows rapid cooling of both the test chamber and the helmet after testing.
The bottom of the test chamber features a conical tower design with a drip tray for convenient collection of molten metal residues.
Equipped with an explosion-proof observation window for monitoring the interior of the test chamber.
The control system is water-cooled to ensure the safety of the testing equipment.
Accessories
(1)Molten Metal Crucible: High-temperature container for safely holding molten metal.
(2)Helmet Holders/Fixtures: Secure helmets in standard position during testing.
(3)Protective Shields and Screens: For operator safety and containment of splashes.
(4)Temperature Measurement Devices: Thermocouples or infrared sensors to monitor molten metal temperature.
Maintenance Information
Daily Cleaning: Remove residual metal, clean helmet holders, and protective shields after each test.
Inspection of Fixtures: Check for deformation or wear in clamps, shields, and crucibles.
Calibration: Ensure temperature sensors are accurate before testing.
Storage: Cool down equipment completely, store in dry, clean environment to prevent corrosion or damage.
FAQ
1. What is the purpose of this tester?
It evaluates the resistance of safety helmets to molten metal splashes, ensuring wearer protection in high-temperature work environments.
2. Which helmets can be tested?
The tester is suitable for industrial safety helmets, welding helmets, and other protective headgear designed for molten metal exposure.
3. How is the test performed?
Molten metal is heated to a controlled temperature and carefully poured or dropped onto the helmet surface. Performance is evaluated based on penetration, surface damage, and heat transfer.
4. What safety standards does it support?
It is designed to comply with international standards such as EN 397. ISO 9180. and other workplace safety regulations for molten metal splash protection.
5. How should the equipment be maintained?
Daily cleaning of the crucible, helmet holders, and protective shields; inspection of fixtures for wear; calibration of temperature sensors; and proper storage in a dry environment.
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