Testing assembly for reducing noise emitted from a random vibration apparatus
A testing assembly for reducing noise emitted from a random vibration apparatus is provided. The testing assembly comprises a base assembly and a cover assembly hingedly connected to the base assembly. At least one inner base positioned within the base assembly with each inner base having at least one aperture. A vibration testing table is secured within the inner base. At least one vibration mechanism is secured within the inner base and communicates with the vibration testing table.
1 . A testing assembly for reducing noise emitted from a random vibration apparatus, the testing assembly comprising:
a base assembly;
a cover assembly hingedly connected to the base assembly;
at least one inner base having positioned within the base assembly, each inner base having at least one aperture;
a vibration testing table secured within the inner base; and
at least one vibration means for vibrating the testing table, the vibration means secured within the inner base and communicating with the vibration testing table.
2 . The testing assembly of claim 1 wherein the base assembly includes a base wall, an outer wall, a middle wall, and an inner wall.
3 . The testing assembly of claim 2 wherein the outer wall is constructed from a sheet metal material, the middle wall is constructed from a foam material, the inner wall is constructed from a high density vinyl material, and the base wall is constructed from a sheet metal material.
4 . The testing assembly of claim 2 wherein the outer walls are secured to the base wall and each other.
5 . The testing assembly of claim 4 wherein the inner walls are secured to each other by a plurality of brackets and are secured to the outer side walls.
6 . The testing assembly of claim 2 wherein the middle walls are sandwiched between the outer walls and the inner walls.
7 . The testing assembly of claim 1 wherein the inner base is constructed from a sheet metal material.
8 . The testing assembly of claim 1 and further comprising:
at least one hinge for connecting the base assembly to the cover assembly.
9 . The testing assembly of claim 1 wherein the cover assembly has an inner wall and an outer wall.
10 . The testing assembly of claim 9 wherein the inner wall and the outer wall are constructed from a clear plexiglas material.
11 . The testing assembly of claim 1 and further comprising:
a resilient gasket between the base assembly and the cover assembly.
12 . The testing assembly of claim 1 and further comprising:
a foam panel secured to a rear wall of the cover assembly.
13 . The testing assembly of claim 1 and further comprising at least one trim piece about the periphery of the cover assembly connecting the inner wall to the outer wall.
14 . The testing apparatus of claim 1 and further comprising:
at least one air manifold for connecting air to the vibration means.
15 . An enclosure for receiving a vibration testing table and at least one pneumatic hammer, a device to be tested positionable upon the vibration testing table, the enclosure comprising:
a multi-layered base assembly;
a multi-layered cover assembly positionable upon the base assembly;
a receiving container positionable within the base assembly, the vibration testing table and the pneumatic hammer receivable within the receiving container; and
a plurality of apertures formed in the container.
16 . The enclosure of claim 15 wherein the base assembly includes a base wall, an outer wall, a middle wall, and an inner wall.
17 . The enclosure of claim 15 and further comprising:
at least one hinge for connecting the base assembly to the cover assembly.
18 . The enclosure of claim 15 wherein the cover assembly has an inner wall and an outer wall.
19 . The enclosure of claim 15 and further comprising:
a resilient gasket between the base assembly and the cover assembly.
20 . The enclosure of claim 15 and further comprising:
a foam panel secured to a rear wall of the cover assembly.