http://ir-heat-ray.com/en/tags/line/ Recent content in Line on Focused IR Heating Rays Hugo en-us Mon, 20 Jul 2026 12:24:29 +0800 http://ir-heat-ray.com/en/posts/glass-score-line-heating-lamp/ Mon, 20 Jul 2026 12:24:29 +0800 http://ir-heat-ray.com/en/posts/glass-score-line-heating-lamp/ <p><img src="http://ir-heat-ray.com/images/a555db23e4466eed661681b756c2f056.png" alt="Glass score line heating lamp"></p> <h1 id="dealing-with-those-annoying-dead-zones-in-glass-annealing">Dealing with those annoying &ldquo;dead zones&rdquo; in glass annealing</h1> <p>If you&rsquo;ve ever worked with glass that has a weird shape—think narrow <a href="https://henruite.com">necks</a> or deep, steep basins—you know the frustration. You put it in a standard kiln, everything looks fine on the readout, but the piece still cracks <a href="https://o-yate.net">during</a> cooling. It’s because of &ldquo;temperature dead zones.&rdquo; Basically, the hot air just can&rsquo;t get into those tight spots. The glass stays too cold, the stress builds up, and then&hellip; <em>snap</em>. It&rsquo;s a nightmare.</p>