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<p>[QUOTE=&quot;GDJMSP, post: 1622513, member: 112&quot;]Think for a minute, use your head. They want the planchets to all reach the same temperature. If they were piled on top of one another in drum like you see in the video, would that even be possible ? No, it wouldn&#039;t. The best, and quickest, way for the planchets to reach the required temperature is if they are laying flat, and still, exposed to the heat.</p><p><br /></p><p>What you see in the video is not a drum, it is just a short metal lip that catches the planchets as they come off the conveyor belt from the furnace. It spins slowly like that so that all of the planchets come off the lip. If it just sat there then the planchets on the bottom would never move, they&#039;d be stuck, and only the ones spilling over the top of them would reach the quenching bath.</p><p><br /></p><p>Here&#039;s a couple more links that confirm what I am saying - </p><p><br /></p><p><a href="https://sites.google.com/site/howtomakeacoin/how-to-make-process/annealing-process" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://sites.google.com/site/howtomakeacoin/how-to-make-process/annealing-process" rel="nofollow">https://sites.google.com/site/howtomakeacoin/how-to-make-process/annealing-process</a></p><p><br /></p><p><a href="http://www.samint.co.za/Processes.aspx" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.samint.co.za/Processes.aspx" rel="nofollow">http://www.samint.co.za/Processes.aspx</a></p><p><br /></p><p>The annealing process starts when the planchets enter the furnace. It ends when they leave the furnace. And that spinning rim you see in the video, is after they have left the furnace.[/QUOTE]</p><p><br /></p>

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