Glass container annealing element

Sun, 28 Jun 2026 03:07:06 +0800

On the line, one hot spot in the lehr can wipe out thousands of containers. Annealing isn’t a warm-up—it’s a controlled thermal profile that pulls out residual stress. When the heating element underperforms, you’re staring down scrap, rework, and wasted kWh. We built our glass container annealing element to deliver repeatable heat where the process needs it, without drift. It uses quartz-halogen technology with high emissivity, so you get rapid, direct radiant heat transfer. Industrial duty, straight up: 240 V, 2–4 kW per module, compact lengths to fit standard lehr zones, and standard terminal blocks so you can swap it in fast. The quartz tube handles thermal shock, and output stays stable even with repeated start-stop cycles, so the temperature profile holds across the belt. In practice, that means fewer microfractures, tighter dimensional control, and an annealing curve that stays steady at production speed. You see higher yield with less downtime, and lower kWh per thousand pieces because the heat is delivered on demand, not bleeding into the structure. It drops in as a direct replacement, so you don’t have to re-engineer the line to get repeatable results. Installation is straightforward, but the lehr has to be clean and dry before power-up. Contamination on the sheath causes uneven heating and shortens service life. Match voltage and wattage to the zone, lock the connections down, then run a controlled ramp to setpoint. Expect 4,000–6,000 hours of stable output in typical container runs, depending on duty cycle and ambient conditions.

Container on Infrared Wave Quartz Heaters

Glass container annealing element