Outlined bold
This device is according to the pressure test are shut standard terms required design manufacture, used to test nonmetal materials heat resistance of special equipment. Apply to electrical equipment and its components and parts, not the solid electric insulation material ceramic nonmetal material such as heat resistance test.

Technology parameters
Load 20 N + /-0.2 N steel ball bearing steel R2.5 mm ISO 3290
304 stainless steel material bearing Ф 50 X100 Ф 2.5 X25
Standard GB4706, GB2099, IEC60335, IEC60695 GB4943, etc


Balance calibration:
Pressure will be put on the ball bearings, according to its swing to load body position adjust properly, then twist the load body tight, the pressure to put the ball bearings, observe the swing, to determine the adjustment effect.
Only in the balance, ball pressure to smooth place, otherwise pressure a distinct swing club, if use optical equipment testing, will seriously affect the accuracy test results.

Method of use
First the device into sample heating box, in the standard temperature keep 24 h or reach thermal equilibrium conditions after, can test the next step.
And then the pretreatment good sample on bearing center on the plane, then put pressure on the ball smoothly sample center on the plane.
When the pressure of standard time, need to remove vertical stress ball, and then take out the test sample.

Maintenance and maintenance
R2.5 steel ball for bearing steel, pay attention to rust.
Keep end of the bearing is bright and clean level off.
Prevent foreign bodies blocking Ф 2.5 thermocouple hole.
Prevent farmar screw loose appear.

产品名称：In Chinese ball pressure teste
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