What Is the Fuction of the Drop Ball Tester?

Function of the drop ball tester: Determination of whether the safety glazing material has a certain minimum strength and cohesion under impact from a small hard object.

Suitable for impact test of safety glass and tempered glass.

Related Standard:

ISO 3537 Road vehicles — Safety glazing materials — Mechanical tests– Clause 6: 227 g ball test, Clause 7:2260 g ball test 

GB 15763.3 Safety glazing materials in building Part 3:Laminated glass–Appendix B Drop ball impact specimen support

Apparatus:

1) 1m/3m/5m Ball Drop Impact Testing Device

2) Adsorption and release device of steel ball

3) Steel ball

4) Supporting fixture size: 350 mm*350 mm or 660 mm*660 mm

Technical Data:

Hardened steel ball:

2260g ± 20g, diameter of approximately 82mm

1040g ± 10g, diameter of approximately 63 mm

227g ± 2g, diameter of approximately 38 mm

Steel ball adsorption mode: Electrocircuit controlled electromagnet suction cup

Lifting and lowering mode of control lever: manual or automatic

Drop height of steel ball: 1m /3m/5m/12m, customizable

Supporting fixture:

Support size: 350 mm*350 mm and 660 mm*660 mm (Customized)

Frame width: 15 mm

Steel box height: 150 mm

Rubber gasket: thickness 3 mm, width 15 mm, hardness shore A50

Interposed sheet of rubber: thickness 3 mm, hardness shore A50

Applied Test Pieces Size: 300 mm*300 mm and 610 mm* 610 mm