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2023
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08
Test fixture with what material is good?
To make a test fixture, epoxy resin and plexiglass and other materials are generally used, so what are the characteristics of these two materials? Epoxy resin board is opaque, if there is a problem with the fixture, it is more difficult to investigate the cause. On the contrary, plexiglass is transparent. If there is a problem with the fixture, it is easy to investigate the cause.
To make a test fixture, epoxy resin and plexiglass and other materials are generally used, so what are the characteristics of these two materials?
Epoxy resin board is opaque, if there is a problem with the fixture, it is more difficult to investigate the cause. On the contrary, plexiglass is transparent. If there is a problem with the fixture, it is easy to investigate the cause.
General plexiglass temperature difference deformation is relatively larger than epoxy resin board, if the test density is very high, choose epoxy resin board. The selection of plates and the accuracy of drilling play an important role in the accuracy of the entire test fixture.
For fixtures with an aperture of more than 1mm, most of the plates are plexiglass.
However, the general plexiglass is prone to melting and drill bit fracture when drilling. Usually, epoxy resin sheet is selected when drilling hole diameter is less than 1mm. Epoxy resin sheet has better toughness and rigidity, but the price is more expensive.
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2023-08-14