| 摘要 |
A hardness tester generally comprises a tester assembly is supported on a frame assembly. The tester assembly has a tester housing that supports a motor drivingly connected to a load cell and an indentor. The frame assembly includes a vertically oriented plate having a general C-shape defined by upper and lower arms connected by a main body. The plate is fabricated from a unitary sheet of metal to provide rigidity in the vertical direction. The tester assembly is selectively attachable to the frame assembly, and may be remotely employed as a stand-alone unit. A unique ball screw assembly is also provided for applying the testing load.
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