Precision annealing infrared lamp

Tue, 02 Jun 2026 04:23:30 +0800

On the line, annealing isn’t some polite pre-step. It’s the control point that decides whether your next temper or bend runs clean—or turns into scrap. If heating is off, you get thermal stress, wafer bow, and coating stress fractures that only show up later in inspection. We built the precision annealing infrared lamp to hit the lehr curve exactly, without chasing drift. The NIR lamp uses short-wave infrared with a fast-response quartz emitter. It delivers energy straight into the glass surface, not the air around it. That gives you a tight thermal band, quick ramp control, and repeatable hold temperatures across the full belt width. The payoff is a more uniform thermal field. No more local hot spots and cold edges that start micro-cracks before the glass even leaves the line. In practice, that means fewer rework sheets on low-iron and coated products, and more consistent optical quality on automotive glazing. Cycle times stay stable because the lamp hits setpoint fast and holds it without overshoot. You keep throughput up while still respecting the annealing schedule. Energy use drops, too. The energy goes where it needs to—into the glass—instead of heating the surrounding structure and exhaust. Installation is straightforward as a drop-in module, but alignment matters. Match the lamp pattern to your belt width and emissivity. If you don’t, you’ll see edge-to-center temperature spread that shows up as bow and stress marks. Keep the quartz window clean and watch the reflector condition. Dust and oxidation scatter intensity and kill repeatability.Treat it like a calibrated tool, not just a heater, and the annealing curve stays honest shift after shift.

Precision on Warm IR Heating Zones

Precision annealing infrared lamp