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Line 95:
Line 95: + Line 103:
Line 104: − + − + − 3) Place component on anvil, use a specialized anvil if needed ( eg. round stock)+ − 4) Turn handwheel to apply the 'minor load' until needle points to indicator mark on dial. ( id handwheel photo?) + − 5) Zero out dial. + − 6) Depress lever to apply 'major load' , allow time to settle. (where is lever? what is depress? move forward?) + − 7) Release lever + − 8) Read dial for hardness. (photo example how?)
Rockwell Hardness Tester (view source)
Revision as of 20:12, 18 January 2018
, 20:12, 18 January 2018→Major Components
<gallery>
<gallery>
File:Rockwell_Label.JPG|Label
File:Rockwell_Label.JPG|Label
File:Rockwell_Indentor_Holder.jpg|Holder for indentor
File:Rockwell_Anvil_adjust.JPG|Handwheel to adjust the anvil to apply the minor load
File:Rockwell_Anvil_adjust.JPG|Handwheel to adjust the anvil to apply the minor load
File:Rockwell_Major_Load_Lever.JPG|Major Load Lever
File:Rockwell_Major_Load_Lever.JPG|Major Load Lever
Select the correct indentor - diamond for HRC other material for HRC ( what is an indentor? need identification and use of indentors in stock)
Select the correct indentor - diamond for HRC other material for HRC ( what is an indentor? need identification and use of indentors in stock)
1) Install indentor (photo ?)
1) Install indentor
2) Support load (how?)
2) Place component on anvil, use a specialized anvil if needed ( eg. round stock)
3) Turn handwheel to apply the 'minor load' until needle points to indicator mark on dial.
4) Zero out dial.
5) Depress lever to apply 'major load' , allow time to settle.
6) Release lever
7) Read dial for hardness. (photo example how?)
== Testing ==
== Testing ==