Glass bead annealing heater

Mon, 13 Jul 2026 11:08:39 +0800

Stop Wasting Energy on Your Glass Bead Annealing

Let’s be honest: annealing is usually the biggest energy hog in the entire production line. If you’re using traditional resistive heating, you’re basically paying to heat up the air and the oven walls just to get some warmth into the glass. It’s a waste. That’s why we shifted to shortwave infrared (SWIR) lamps. Instead of warming up the whole room, SWIR sends energy straight into the beads. It’s direct. It’s efficient. And it actually works. Getting the heat where it belongs We design our lamps with high wattage density because you need to hit those annealing temperatures now, not in ten minutes. By using high-voltage setups, we cram more power into a shorter tube. This puts the thermal energy exactly where the beads are sitting. The result? Your ramp-up time plummets. You can either speed up your line or finally reclaim some floor space by shortening your conveyor belts. The guts of the lamp We use high-purity quartz for the envelopes. Why? Because these things go through rapid heating and cooling cycles, and cheap glass would just crack under the pressure. Inside, there’s a halogen cycle at work. It stops the tungsten filament from evaporating and gunking up the walls of the tube. This keeps the glass crystal clear, which is huge. If the tube gets cloudy, the infrared waves bounce back into the filament and the lamp burns out way too soon. Making it work in your shop You don’t need to rip out your entire electrical system to use these. We use standard industrial connectors, so they basically drop right into the spots where your old, clunky heaters used to be. They play nice with your existing PID controllers, too. But a word of caution: these lamps put out some serious, concentrated heat. If you push the wattage too hard in a cramped space, your housing panels are going to feel it. You’ve got to get your cooling fans and heat shields right, or your control electronics will fry. Just keep the vents clear and your voltage steady. Do that, and these things will run for a long time.

Bead on High-Temperature IR Heating

Glass bead annealing heater

Stop Wasting Energy on Your Glass Bead Annealing