LBT-HW-610 Helmet Surface Protrusion Structure Shear and Friction Tester
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Description
Product Introduction:
Designed and manufactured in accordance with relevant helmet standards, it is primarily used to test the shear and friction forces of surface protrusions on motorcycle helmets, electric bicycle helmets, sports helmets, and similar headgear. It is widely employed by manufacturers, R&D institutions, and quality‑control agencies involved in the production of these helmets. It can also be applied to assess the shear and friction characteristics of surface protrusions on other types of helmets, such as rescue helmets, firefighting helmets, ski helmets, and military/police helmets.
Parameter standards:
GB811-2022, GB24429-2009, ECE R22.05
Product Features:
1. The entire machine comprises a load-bearing frame, a horizontal guiding mechanism, pulleys, a drop hammer, a head‑shaped support, a lever structure, a loading device, and a PLC touch‑screen electrical control cabinet, among other components.
2. PLC touch-screen operation and control; all relevant operations can be performed via the touch screen.
3. The descent is automatically acquired and processed by an encoder, with the height displayed in real time on the touch screen.
4. The impact height is automatically acquired and processed by an encoder, with the height displayed in real time on the touch screen.
5. The weight‑moving mechanism is electrically controlled via a PLC touch screen.
6. The material rack can be fitted with cutting blades and sandpaper as needed.
7. The helmet bracket allows adjustment of the helmet’s position and angle, and the headform can rotate 360°, facilitating testing from any desired orientation.
8. Equipped with professional imported speed‑testing fixtures and high‑precision load cells for measuring applied forces.
9. The loading force is powered by an air compressor, with manual adjustment and real-time display, ensuring accurate and stable force application.
10. The lifting speed and lifting height of the head‑type bracket can be adjusted by regulating the air pressure.
11. Pneumatically released weights ensure safety and reliability, preventing sudden release due to power failure in electromagnetic systems.
Technical Specifications:
| Project Name | Technical Specifications |
| Friction sandpaper | Aluminum-oxide–coated sandpaper, 300 mm to 303 mm in length, grade 80. |
| Steel cutter | Height: 6 mm; width: 25 mm; the uppermost edge of the cutter is chamfered with a radius of 1 mm. |
| Impact weight | 15kg-15.5kg |
| Mass drop height | 0-1000mm |
| Speed measurement range | 0-20m/s |
| Cargo rack quality | 4.8-5kg |
| Pulley system | Φ60mm, nylon material, quantity: 2 pieces |
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