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<p>[QUOTE=&quot;Collect89, post: 2205145, member: 15445&quot;]FWIW, I made a glass counting machine that simply counts the number of pieces of glass (lites) in a stack.&nbsp; We sold it to virtually <u>all</u> the float glass plants.&nbsp; We stopped manufacturing it a half dozen years ago.&nbsp; As the engineer, I attended a few big glass shows and visited maybe a dozen plants.&nbsp; <u>I quickly found that not all glass is created equally</u>.&nbsp; Pilkington, Glaverbel, Guardian, AFG, Vitro, etc all have interesting products that I will not pretend to understand.&nbsp; (They would show me their float plants &amp; I just showed them how to count lites).&nbsp; <b>Pilkington was introducing a self cleaning glass at one show!</b>&nbsp; <span style="color: rgb(255, 77, 77)"><b>They all talked of glass as if it were <u>not</u> solid.</b></span></p><p><br /></p><p>There are many companies that fix chips by applying force &amp; friction to flat glass products causing the glass to flow filling the chip. </p><p><br /></p><p>I did notice that most of the people I worked with in the glass industry had been in the industry for a long time. </p><p><br /></p><p>This is how my little lite counting machine worked:<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /> We shined a little laser spot onto the glass &amp; just monitored how the reflected spot wiggled around.&nbsp; Every time the spot passed the edge of a lite, the spot would wiggle faster.&nbsp; The processor did a FFT on the wiggle signal &amp; we simply noted where all the high frequency events occurred.&nbsp; At the end of scanning the stack, the processor then calculated the thickness &amp; number of lites that satisfied the data (all the little high frequency bursts).&nbsp; It worked but not as well as we had hoped.&nbsp; The s/w engineer moved away &amp; we lost a member of the team.&nbsp; The machine was useful at the float plants but not all the thousands of glass distributors where we wanted to sell it.</p><p><br /></p><p>[Look out your window.&nbsp; There is a lot of glass in the World].<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie11" alt=":rolleyes:" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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