Message:

<p>[QUOTE=&quot;SuperDave, post: 2854863, member: 1892&quot;]Step back for a moment and contemplate just how &quot;large&quot; those lines are in the context of a die 19mm in diameter. They&#039;re <i>tiny</i>. The die will be annealed to soften it before this polishing, and then hardened prior to its&#039; return to production, and there&#039;s time pressure to get the die working which precludes the microscopic concentration necessary to completely remove the lines. It was quite possibly the victim of clashing, and the aim of treating that is not necessarily to remove the evidence but to remove &quot;hot spots&quot; of stress from striking pressure which could cause premature failure. It&#039;s well-known that the individual design of a die causes unique stress points that lead to early failure - look at the commonality of certain die cracks on certain issues - and additional &quot;detail&quot; on a die throws off the design compromises made to improve die life.[/QUOTE]</p><p><br /></p>

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in