IEC60884 Clause 24.7 Insulation Sleeves Of Plug Pins Abrasion Test
Apparatus Of IEC Testing Equipment
Standard: IEC 60884-1 2013 clause 24.7 and figure 28, BS1363-1 figure 9
Application: This device is use for test the abrasion resistance strength of
insulation sleeve of plug pins
Test sample: Insulation Sleeve of plug pins
Feature: Device consists of a horizontal placement of the beam and the
linear movement of the fixture seat, wherein, beam ends with
diameter 1mm short steel wire is bent into a U-shaped head (U shape
of two vertical fixed on the beam), wire U-shaped bottom is 6mm
linear part. Compress the 6mm hemline on the plug insulation
sleeve, the motor drives the mounting bolt clamp seat to do
reciprocating movement back and forth, conducting the abrasion test
to insulation sleeve of plug pins.
Parameters:
| Item | Parameter |
| Power supply | AC220V 50Hz |
| Station | Single station |
| Test times | 1~999999, preset |
| Rate of abrading | 30 movements per minute |
| Load | 4N |
| Stroke | 9mm, about 7mm scratch on insulation sleeve |
| Steel wire | Diameter 1mm, effective length 6mm |
Picture for reference:
Standard description:
Plug pins provided with insulating sleeves are subjected to the
following test by means of an apparatus as shown in figure 28.
The test apparatus comprises a horizontal disposed beam .which is
pivoted about its centre point ,A short length of steel wire ,1mm
in diameter and bent into a U-shape ,the base of the U being
straight ,is rigidly attached ,at both ends ,to one end of the beam
,so that the straight part projects below the beam and is parallel
to the axis ogre the beam pivot .
The plug is held by a suitable clamp in such a position that the
straight part of the steel wire rests on the plug PIN
,perpendicular to it .The PIN slopes downwards at an angle of 10°to
the horizontal .
The beam is loaded so that the wire exerts a force of 4N on the
pin.
The plug is moved backwards and forwards in a horizontal direction
in the plane of the axis of the beam ,so that the wire rubs along
the pin, The length ogre the pin thus abraded is approximately 9mm
,of which approximately 7mm is over the insulating sleeve ,the
number ogre movements is 20000(10000 in each direction )and the
rate of operation is 30 movements per minute .
The test is made on one pin of each specimen .
After the test ,the pins shall show no damage which may affect
safety or impair the further use of the plug ,in particular ,the
insulating sleeve shall not have punctures or rucked up .
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