Hold-down plate
A hold-down plate is a mechanical plate inside a Test Fixture that securely holds the test object in position during contact. It supports even force distribution and ensures that the Contact Probes can make controlled and reliable contact with the test object.
Through its defined guidance and fixation, the hold-down plate contributes to stable contact conditions, reproducible test results, and reliable handling during the test sequence. It is particularly important when components, printed circuit boards, or assemblies must be precisely aligned and securely held during testing.
FAQ
Hold-down plates are used in Test Fixtures and test systems when printed circuit boards or assemblies need to be securely held in place.
It improves the alignment of the test specimen, ensures reliable contact conditions, and helps to transfer mechanical loads in a controlled manner.
The hold-down plate is primarily used to securely fix the test specimen in place, while the push-down plate is more closely associated with the transmission of the contact force.
Further terms
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