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<p>[QUOTE=&quot;mynamespat, post: 2634714, member: 83738&quot;]You are correct as far as the tool used to test planchets and dies before operation would be this (or a more measuring intensive version from before the digital age):</p><p><img src="http://conecaonline.org//images/2016RockwellImages/Figure11.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p>but you are completely off-base calling a simpler precision measuring instrument a &quot;toy&quot;.&nbsp; I also said RESEMBLES because in a working machine shop these tools can easily be created by a toolmaster; however, a precision set-up will easily cost over $100 (getting even more expensive when you get into auto-punches and the like).&nbsp; I picked that photo in particular (which is actually a higher-grade gem/stone test kit) because of the shape of the tips compared to that of a Rockwell tester. </p><p><br /></p><p>One of the first things you learn in high volume machining is you don&#039;t use the $10k tool to do something that can be done more quickly with a tool at hand and satisfy the requirements to continue manufacturing.&nbsp; The two cardinal sins of machining are making bad parts and not making parts at all.[/QUOTE]</p><p><br /></p>

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