IEC60695-1 Ball Pressure Apparatus, Ball Pressure Test

详情

IEC******1 Ball Pressure Apparatus, Ball Pressure Test

1. Application:

Ball pressure tester is used for testing parts of non-metallic materials for resistance to heat. It is applicable to electro technical equipment, its subassemblies and components, and to solid electrical insulating materials except ceramics.

In this test, a conditioned specimen is placed on a preheated support and subjected to a force of *0n applied through a 5 mm steel ball. The test stand, specimen and loading device are then kept in an oven at an elevated temperature for an hour. After the hour, the loading device is removed from the sample, the sample is cooled and any indentation is measured. It is important to assure that the test stand has reached a stale elevated temperature as required by the test. For this reason, the SFT ball pressure tester comes equipped with a thermocouple that inserts into the test stand so its temperature can be monitored.

2. Basic introduction:

Ball Pressure Apparatus/Tester is the requirement ball (R2.5mm) and total test force *0N ± 0.2N ball pressure testing device, pressure level of the state and was placed in the heating chamber on the surface of the test.

In the test temperature specified by the after *0min *2 min/0min, the test quickly (<*0s) immersed in *0 ° C ± 5 ° C water cooling 6min ± 2min, 3min removed from the water surface within the indentation diameter measurement test, as the indentation is more than 2mm in diameter to evaluate the test specified in the heat deformation temperature.

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