ONLINE MACHINE

  • 产品名称: Abrasion Strength Resistance Testing Machine Device
  • NO.: HJ0604
  • Views : 6

 Clause 21.2 of IEC 60335-1 Household and similar electrical appliances – Safety – Part 1:  General requirements, IEC 60950 clause 2.10.8.4, and etc.

 

 It is used to process scratch test for the solid insulation boards and accessible parts of house appliances and similar products, to ensure that accessible parts of solid insulation shall have sufficient strength to prevent penetration by sharp implements.

 Household appliances, printed circuit board.

 

 The surface of the insulation is scratched by means of a hardened steel pin, the end of which has the form of a cone with an angle of 40°. Its tip is rounded with a radius of 0,25 mm ± 0,02 mm. Scratching through five pairs of conductive parts, including its interval, an interval should be subjected to the largest part of the potential gradient during the test. And the pin is held at an angle of 80° – 85° to the horizontal and loaded so that the force exerted along its axis is 10 N ± 0,5 N. The scratches are made by drawing the pin along the surface of the insulation at a speed of approximately 20mm/s±5mm/s. Two parallel scratches are made. They are spaced sufficiently apart so that they are not affected by each other, their length covering approximately 25 % of the length of the insulation. Two similar scratches are made at 90° to the first pair without crossing them.The scratches shall be at least 5 mm apart and at least 5 mm from the edge of the specimen.

The device adopts PLC + touch screen control system, stepping motor drive, the scratch distance, scratch times and speeds can be preset, the test pin can rotate 90 ° angle automatically, scratch test in both vertical and horizontal directions can be easily realized.

 

Input Power

220V/50HZ

Control

PLC control, 7-inch color touch-screen operation, stepper motor driver

Station

1

Scratch Pin Rounded with a radius of 0,25 mm ± 0,02 mm
The end of Scratch Pin Form of a cone with an angle of 40°

Scratching Speed

20±5mm/s, can be preset

Scratching Force 10N±0.5N
Scratching Distance 0-50mm, can be preset
Scratching Angle 80-85°, fixed by fixture
Test  Sample Tray  Can be rotated 90 °, multiple mounting holes for the installation of different samples
Optional 30N±0.5N Load Device 

 

CONSULTATION

 
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