ISO2248-72 Standards Heavy Package Drop Tester For Lab Usage
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Drop Tester For Heavy Package Complies With ISO2248-72(E) And Other Standards Description For large packaging with high mass, the vertical drop height during
transport will be low and therefore they need drop test with
relatively low drop height. Zero Height Drop Tester is mainly used
for drop test of big package. It uses an E-shaped fork that can move downward quickly as a
bracket and specimen is placed in balance according to test
requirement (surface, edge or Corner drop test). During testing,
the bracket moves downwards quickly ahead of specimen with
acceleration greater than 3G to ensure the separation of bracket
and specimen and achieve free fall. The standard fall distance is
ranged between 2.54cm-120cm.
Specifications
FAQ
By means of a fixture, usually aluminium or magnesium for lightness coupled with rigidity. They can be cast, or smaller fixtures machined from solid stock. Most fixtures are welded.
2. How do you control shakers? If we're looking for resonances in the product we're testing, we command the shaker to shake the product at one frequency at a time but to vary that test frequency, to sweep it over a range of frequencies. But more realistically, we command the shaker to vibrate randomly and to excite all the resonances simultaneously. Control commands go into the keyboard of a specially programmed computer.
3. What are those resonances? Are they bad? Have you ever noticed the steering wheel moving with rather a large displacement amplitude, larger than the input to the column? That magnification is called resonance. Possibly it annoys you. There's a slight chance that in a few years that whipping of the steering column might cause bending fatigue failure. When we shake an automotive or ship orland vehicle instrument, we're looking for, for example, portions of printed wiring boards (PWBs) responding with greater motion than we're inputting. That flexing may damage PWB wiring, it may damage the attached components and the PWB. Service
Pre-Sales Service
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After-Sales Service
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