The original sample must be verified as the source of each specimen. The gauge length must be marked on the shortened part of the bar before testing if total elongation is going to be calculated after the specimen breaks. Equipment must be correctly matched to the test in question as part of the test setup.

The testing machine must meet three requirements:

• Have enough force to break the test specimens.
• Be able to control the test speed (or strain rate or load rate), as specified by the test specification.
• Have enough precision and accuracy to accurately measure and record the load and extension data produced by the test.

Current calibration certification should guarantee this precision and accuracy. There are just two requirements for grips, of which several different types are frequently used in tensile testing: the grips must fit the specimens appropriately (or vice versa), and they must have enough force capability to prevent damage to the specimens during testing.

NextGen’s TensileTurn CNC – Round Tensile Sample Preparation Machine main motor RPM is 4500.

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