xii
No. 99MBG518A
About This Document
■Intended readers and purpose of this document
●
Intended readers
Thisdocumentisintendedforrst-timeusersoftheRockwellhardnesstest.
They are assumed to be able to understand instructions by reading technical drawings.
●
Purpose
The purpose of this document is to help you understand the basic knowledge of the Rockwell hardness
testandtheproceduresforcarryingoutthebasicworkow.Youcanalsolearnthembyoperatingthe
hardness testing machine while following the descriptions in this document.
Moreover, for people who do not use the hardness testing machine frequently, they can use this docu
-
ment to recall the basic procedures.