http://ir-heat-ray.com/en/tags/single/ Recent content in Single on Focused IR Heating Rays Hugo en-us Fri, 17 Jul 2026 09:11:08 +0800 http://ir-heat-ray.com/en/posts/single-tube-infrared-lamp/ Fri, 17 Jul 2026 09:11:08 +0800 http://ir-heat-ray.com/en/posts/single-tube-infrared-lamp/ <p><img src="http://ir-heat-ray.com/images/05f46fc64d24437ec99c838e4d66f914.png" alt="Single tube infrared lamp"></p> <h1 id="why-your-glass-is-warping-and-why-your-lamps-are-likely-to-blame">Why Your Glass is Warping (And Why Your Lamps are Likely to Blame)</h1> <p>When you&rsquo;re annealing a batch of glass, you just want one thing: a steady, even temperature drop across the whole load. Simple, right? But here&rsquo;s the problem. If your infrared lamps aren&rsquo;t putting out the exact same amount of heat, you end up with &ldquo;hot spots&rdquo; and &ldquo;cold zones.&rdquo; It’s like trying to bake a cake in an oven that’s freezing on one side and scorching on the other. You get internal stress, uneven tempering, and a lot of wasted material. We see this happen all the time when shops try to save a few bucks by mixing and matching lamps from different vendors.</p>