First, general: The test machine for hard plastic CHARPY and IZOD impact test is mainly based on the Angle potential energy of the pendulum rise, the kinetic energy generated when the release of the test piece will break the remaining energy and the Angle left by the pendulum, from which the Angle can be calculated when the impact material required energy value.
There are two kinds of capacity used
|
Type A 1.5J, 3J, 4.5J
|
B-type 3J, 6J, 9J
|
Distance from impact end to center of shaft L
|
33cm
|
The weight of the pendulum at the impact end when it is horizontal
|
W = 0.497㎏
|
Impact velocity
|
34.74 m/sec
|