Pendulum Hammer Test Apparatus HC9921
Standard: IEC60884-1 2013 clause 24.1 and figure 22~26, IEC60669-1,
IEC60068-2-75
Application: This device is suitable for mechanical strength test to plugs and
socket-outlets, surface type mounting boxes, screw glands, gland
covers, switch and other electrical accessories for household and
similar purposes.
Test sample: plugs and socket-outlets, surface type mounting boxes, screw
glands, gland covers, switch and other electrical accessories.
Feature: The mounting bracket can be moved up and down, left and right
moving, and the impact angle can be adjusted. The device is a low
energy pendulum impact device for 2J and below.
Parameters:
1. Pendulum: Length: 1000mm; external diameter: 9mm; steel pipe
wall thickness: 0.5mm; material: steel; weight: 100±1g
2. Mounting bracket: weight: 10±1 kg; it is well-set and the
Horizontal direction and the vertical direction can be adjusted.
The whole bracket can be rotated 90°through the rotation axis.
3. Striking element: 150g, equivalent mass 200g. (200g striking
element for option).
4. Impact energy, equivalent mass and drop height table
| Energy/J | 0.14 | 0.2 | (0.3) | 0.35 | (0.4) | 0.5 | 0.7 | 1 | 2 | 5 | 10 | 20 | 50 |
| Equivalent mass /kg | 0.25 | (0.2) | 0.25 | (0.2) | 0.25 | (0.2) | (0.2) | 0.25 | 0.25 | 0 .25 | 0.5 | 1.7 | 5 | 5 | 10 |
| Drop height ±1%mm | 56 | (100) | 80 | (150) | 140 | (200) | (250) | 200 | 280 | 400 | 400 | 300 | 200 | 400 | 500 |
Notes: - See note in IEC 60068-2-75 3.2.2
- In this part, the energy (J) is calculated taking the standard
acceleration due to the earth’s gravity(g), rounded up to the
nearest whole number, that is 10m/s².
|
5. Operation: manual release the striking element
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