Punti rod preheater lamp

Thu, 02 Jul 2026 10:18:07 +0800

On the tempering line, the preheat station is where you either keep the rate or you lose it. If the rod heaters are slow to respond, the furnace sits idle and the whole loop drags. If the glass isn’t even across the width, you’re buying thermal stress and optical distortion—scrap that shows up after the fact. The Punti rod preheater lamp is built to take that guesswork out. What matters, technically It uses short-wave infrared quartz elements, so you’re hitting the glass surface with direct radiation instead of heating a bunch of air. In practice, that translates to a ramp rate up to 12°C/s—you get to setpoint fast without overshoot. Temperature uniformity across the heating zone is held within ±3%, which matters when you’re running low-E and other coated glasses that don’t forgive hot spots. Power density is calibrated at 30–45 W/cm², enough heat flux to bring the surface up without creating sharp edge-to-center gradients. And when you switch batches, setpoint changes execute in seconds, with a thermal profile that repeats, run after run. Why it fits the line This lamp was designed for real glass processing—tempering, bending, and coating preheat stages where timing is measured in seconds. Fast, repeatable heat means you can push line speed without paying for it in scrap. The uniform thermal field cuts down edge stress and lowers breakage risk during quench. Energy use drops because you’re heating the glass directly, not the surrounding air, and the short cycles keep the process tight. The rod form factor also drops into tight preheat modules, so you can replace aging heaters without reworking the whole line. A few shop-floor details Installation is straightforward, but clearance to the glass and nearby components matters. Keep the minimum standoff to avoid localized overheating and to protect seals and insulation. The lamp performs best when the target surface emissivity is stable; highly reflective coatings can reduce absorbed energy, so you’ll need a modest power adjustment. Schedule routine quartz inspections, and make sure your power supply and connector rating match the lamp’s voltage and current draw.

Thick glass cutting preheater

Tue, 23 Jun 2026 01:43:48 +0800

在生产线上，厚重的玻璃总是那么冰冷顽固。当切割头靠近，它的边角就会裂开，出现细纹、碎屑，甚至整张板都报废了。以往的做法就是简单粗暴：增加温度、延长等待时间，结果电费账单也跟着水涨船高。我们研发出了这款厚玻璃切割预热器，完美解决这一恶性循环，还省下了电费。

技术要点

这个装置用短波红外石英发射器，直接把能量迅速送进玻璃表面，减少空气加热和对流损失。通过调整功率曲线，12～25mm的低辐射镀膜玻璃或透明浮法玻璃能迅速达到预定的预热温度带，还不会造成过烧。热场设计得很均匀，防止局部过热产生热应力，而其他部分还是冷的。控制起来也很简单：靠热电偶反馈，可调停留时间，还有能重复设定的过程窗口。这样一来，各班次的玻璃边缘质量都能保持一致。

Preheater on IR Glass Heating Technology

Punti rod preheater lamp

Thick glass cutting preheater

技术要点