Quartz tube forming infrared

Fri, 17 Jul 2026 08:55:07 +0800

A Better Way to Handle Glass Annealing

Let’s be honest: annealing is usually the biggest energy hog in the entire production line. Most old-school ovens just blast the air, heating up everything in the room just to get the glass to the right temperature. It’s a waste. We do things differently. Our quartz infrared lamps target the glass itself. Instead of warming up the whole oven volume, the heat goes straight into the material. Your electricity bill will thank you. The gear under the hood We build these tubes to take a beating. They’re made from high-purity quartz, so they can handle extreme heat without warping or giving up. The best part? They hit the annealing point fast. Really fast. That means your ramp-up time drops, your cycles get shorter, and you move more batches through the door. How the heat actually moves Here is the trick: the quartz envelope lets short-wave infrared radiation pass right through. The heat doesn’t linger in the air; it hits the glass surface instantly. Plus, we use specific filament alloys so the wattage stays steady for thousands of hours. You aren’t waiting for a coil to warm up the surrounding air. You’re just radiating energy exactly where it needs to be. Putting it to work If you’ve already got an annealing lehr, these are usually a simple drop-in replacement. Just wire them into your current control system and adjust the heat based on how thick your glass is. But a word of caution—this stuff is powerful. Because the heat is so localized and intense, you have to watch your conveyor speed. If you go too slow, you’ll overshoot the temperature and risk thermal shock. You’ll also want to make sure your PID controllers are dialed in so you don’t burn out the filaments with too much rapid cycling. And don’t forget the ventilation. Keep those lamp sockets cool, and you’re gold.

Forming on Infrared Heating Hardware

Quartz tube forming infrared

A Better Way to Handle Glass Annealing