Tempered glass stress removal

Tue, 21 Jul 2026 03:09:12 +0800

Cutting through ultra-thick glass is a brutal process. If you’ve ever tried to score a heavy plate cold, you know exactly what happens: the cutting wheel takes a beating. You get nasty chipping along the edges, and your tools wear out way faster than they should. It’s frustrating and expensive. We found a better way. Instead of fighting the glass, we use shortwave infrared (IR) lamps to soften it right along the line where you’re about to cut. Here’s the thing about heat. Standard lamps just warm up the surface, which doesn’t do much for a thick slab. But shortwave IR is different. It actually sinks deep into the glass. By targeting the cutting line, we create a bit of localized thermal expansion. It doesn’t melt the glass—that would just warp everything—but it makes the material feel “softer” to the tool. The wheel glides through with way less resistance. It’s the difference between carving through frozen butter and room-temperature butter. To make this work, you need high-wattage quartz halogen tubes. They provide the kind of concentrated energy needed to penetrate thick glass quickly, which is a must if your cutting head is moving fast. But you have to be careful. This kind of heat is intense. If your housing isn’t vented right or your focal distance is off, you can trigger thermal shock. It’s all about the balance between how much heat you’re pumping in and how fast you’re moving. Too much heat and the glass cracks unpredictably. Too little, and you’re right back to burning through wheels. When you get that balance right, everything changes. Your cutting wheels last much longer because they aren’t fighting the material every inch of the way. That means you spend less time swapping tools and more time actually producing. Plus, the break is cleaner, and the edge looks professional all the way through the plate.

Removal on Warm IR Heater Connection

Tempered glass stress removal