On a bending line pushing large panels, the heater isn’t just about temperature. It’s what sets the curvature, keeps optical quality in line, and stops thermal stress fractures that show up later as rejects. When the heating profile drifts, you get uneven sag, edge wave, and a pile of rework. We built our large glass panel bending heaters to stabilize the process where it matters most: the hot zone. We run quartz tube elements with short-wave infrared output because they respond fast and let you control the thermal field tightly. The geometry is laid out so the center and edges get balanced radiant energy, which cuts down hot and cold spots that drive differential expansion. Power is matched to the panel footprint and line speed, with voltage options that fit the busbars and controls you already have. That translates to repeatable soak profiles that keep the glass inside the target bending window, even when you’re swapping between 6 mm and 12 mm thicknesses back-to-back. On the floor, bending doesn’t forgive mistakes. A lagging element can overshoot the setpoint, and you lose shape. A weak edge zone leaves flat bands that fight the mold. Our heaters snap back quickly after door cycles and hold setpoint stability during production changes, so throughput stays up and scrap stays down. You also see energy use drop because the heater isn’t constantly compensating for imbalance, and element life stretches out under controlled thermal stress. Install is about compatibility. We supply drop-in replacement assemblies for common glass machine brands, with standardized mounting and connector options. You reuse the existing frames, insulation, and shielding, so downtime stays short. One practical note: the quartz envelope is tough, but it still needs protection from mechanical impact and localized overheating. Keep airflow and clearance as specified, and the heater will track the profile reliably, shift after shift.