Ball-Impact Tests Clause Samples

The Ball-Impact Tests clause defines the requirements and procedures for testing a product or material's resistance to impact from a ball. Typically, this involves dropping or propelling a standardized ball onto the surface of the item under controlled conditions to assess its durability and safety. This clause ensures that products meet specific safety or performance standards by verifying their ability to withstand impacts, thereby reducing the risk of failure or injury during use.
Ball-Impact Tests. 2.1. 227 g ball test 2.1.1. Apparatus 2.1.1.1. Hardened-steel ball with a mass of 227 g ± 2 g and a diameter of approximately 38 mm. 2.1.1.2. Means for dropping the ball freely from a height to be specified, or a means for giving the ball a velocity equivalent to that obtained by the free fall. When a device to project the ball is used, the tolerance on velocity shall be ±1 per cent of the velocity equivalent to that obtained by the free fall. 2.1.1.3. Supporting fixture, such as that shown in Figure 1, composed of steel frames, with machined borders 15 mm wide, fitting one over the other and faced with rubber gaskets about 3 mm thick and 15 mm wide and of hardness 50 IRHD. The lower frame rests on a steel box about 150 mm high. The test piece is held in place by the upper frame, the mass of which is about 3 kg. The supporting frame is welded onto a sheet of steel of about 12 mm thick resting on the floor with an interposed sheet of rubber about 3 mm thick and of hardness 50 IRHD. Figure 1 2.1.2. Test conditions Temperature: 20 °C ± 5 °C Pressure: 860 to 1,060 mbar Relative humidity: 60 ± 20 per cent
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Ball-Impact Tests. 2.1. 227 g ball test 2.1.1. Apparatus 2.1.1.1. Hardened-steel ball with a mass of 227 ± 2 g and a diameter of approximately 38 mm. 2.1.1.2. Means for dropping the ball freely from a height to be specified, or a means for giving the ball a velocity equivalent to that obtained by the free fall. When a device to project the ball is used, the tolerance on velocity shall be ± 1 per cent of the velocity equivalent to that obtained by the free fall. 2.1.1.3. Supporting fixture, such as that shown in figure 1, composed of steel frames, with machined borders 15 mm wide, fitting one over the other and faced with rubber gaskets about 3 mm thick and 15 mm wide and of hardness 50 IRHD. The lower frame rests on a steel box about 150 mm high. The test piece is held in place by the upper frame, the mass of which is about 3 kg. The supporting frame is welded onto a sheet of steel of about 12 mm thick resting on the floor with an interposed sheet of rubber about 3 mm thick and of hardness 50 IRHD. Test piece Rubber gasket 10 mini. 290 260 23 23 Dimensions in millimeters 350 mini. = 150 12 Sheet of rubber 2.1.2. Test conditions Temperature: 20 ± 5 °C Pressure: 860 to 1,060 mbar Relative humidity: 60 ± 20 per cent
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Related to Ball-Impact Tests

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