
Getting the Voltage Right for Glass Stress Relief
If you’ve ever dealt with Tempered glass, you know the nightmare of spontaneous breakage. To stop that from happening, you need a perfect thermal soak. We use infrared (IR) lamps to get that precise, steady heat across the whole sheet of glass. But here’s the thing: when we ship these systems around the world, the heat is the easy part. The real headache is the electricity. Matching Your Grid We build our lamps for 110V, 480V, and 575V. Now, a 110V setup works fine for a small oven in the corner of a shop. But it pulls a lot of current. That means you’re looking at thicker, clunkier wires and a lot of wasted heat bleeding off the cables. For the big industrial jobs, we go with 480V or 575V. It’s just smarter. Higher voltage lets us run longer banks of lamps without cranking up the amperage. Your electrical panels stay smaller, and your wiring won’t start cooking itself while the machine runs 24/7. Keeping the Heat Steady The whole point here is a uniform soak. If your voltage dips or jumps around, the glass won’t hit that sweet spot for annealing. You’ll end up with residual stress in the material, which defeats the whole purpose. We don’t just slap a transformer on the end to fix a voltage mismatch. That’s a recipe for inefficiency and a transformer that runs way too hot. Instead, we build the lamps to match your grid’s native voltage. It keeps the whole system lean and mean. The Trade-off High-voltage lamps (480V+) are absolute beasts when it comes to energy density. They get the job done fast. But there’s a catch. That kind of power puts a lot of pressure on your insulators. If you use cheap connectors, they’ll arc and burn out. It’s a disaster waiting to happen mid-cycle. That’s why we use industrial-grade terminations. It’s the only way to make sure the system actually stays running when you need it to.