Surface Rockwell hardness tester is a Rockwell hardness tester, using a smaller test force, for testing ordinary Rockwell hardness tester can not test the small, small, thin sample, with the surface hardened layer of the workpiece and the required indentation As small as possible the workpiece.
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· Test the hardness of the superficial layer of metal with a smaller test force. * Indentation is very small, the use of most of the workpiece has no effect, can be regarded as non-destructive testing.
· Used for testing small parts, such as thin plate, thin tube, thin shaft, small ball, small stamping parts, bearing surface is very small work. For testing the workpiece as small as possible indentation. Traceable standard hardness blocks.
· Tested with a standard Rockwell hardness tester.
• The dynamometer used to verify the test force can be traced to the national sub-benchmark.