http://ir-heating-module.com/en/tags/lehr/ Recent content in Lehr on Modular IR Heating Systems Hugo en-us Mon, 13 Jul 2026 11:31:58 +0800 http://ir-heating-module.com/en/posts/glass-annealing-lehr-lamp/ Mon, 13 Jul 2026 11:31:58 +0800 http://ir-heating-module.com/en/posts/glass-annealing-lehr-lamp/ <p><img src="http://ir-heating-module.com/images/12a43a2bfd97591d57dbb6bdd2a59e5e.png" alt="Glass annealing lehr lamp"></p> <h1 id="stop-your-glass-from-cracking-a-realistic-guide-to-annealing">Stop Your Glass from Cracking: A <a href="https://goldisgood.com">Realistic</a> Guide to Annealing</h1> <p>If you&rsquo;ve ever run a glass lehr, you know the nightmare of thermal shock. One sudden temperature spike and <em>snap</em>—all that work is gone because the internal stress just ripped the piece apart. It&rsquo;s frustrating. To stop that from happening, we rely on short-wave infrared lamps. The secret isn&rsquo;t just the heat; it&rsquo;s how fast they can change their mind.</p>