Punti rod preheater lamp

Thu, 02 Jul 2026 05:23:24 +0800

On the line, a slow heating ramp or a temperature spread across the glass hits yield right away. In tempering, skimp on preheat and you get thermal shock fractures. In bending, cold zones show up as optical distortion. In EVA/SGP/PVB lamination, uneven, dragging heat stretches the autoclave cycle. The Punti rod preheater lamp was built to fix exactly those headaches with focused infrared. Here’s what matters: control. It uses near-infrared (NIR) emitters in a compact rod, so you get fast, direct-to-surface heating with very little convection. The output is tuned to glass absorption bands, which means the energy goes into the glass, not the air. Response is quick, so you can hold tight thermal profiles before tempering, during bending, and through the lamination dwell. The rod shape gives uniform coverage across strips and contours, and the modular layout slips into existing machine footprints without a redesign. Why it plays well on the floor comes down to speed and repeatability. For tempering, preheating evens out the starting temperature, which cuts edge breakage and improves optical quality. In hot bending, the lamp shortens the heating segment, so cycle time moves faster without losing shape fidelity. In lamination, it gives you a controlled ramp-up for EVA, SGP, and PVB, reducing bubbles and voids while keeping throughput steady. Energy use drops because heat is applied on demand, not wasted heating the whole chamber. One practical heads-up: NIR heats the surface directly, and clear glass reflects more than coated or tinted glass. Match power density to emissivity and thickness, and double-check alignment so you don’t create hot spots. You’ll see faster warm-up and stable performance, but plan the initial parameters around your specific glass stack and line speed.

Punti on Quality Patio Infrared Heaters

Punti rod preheater lamp