
Stop the Headache of Thermal Instability in Your Sidel SBO Series 2
Here is the truth about swapping out infrared lamps in a Sidel SBO Series 2: the biggest nightmare is a power mismatch. If your new tubes aren’t a perfect match for the original wattage and voltage, you’re asking for trouble. You’ll end up with uneven heat across the preform, which means wonky wall thickness and—you guessed it—bottles that just fail. The deal with power matching We make these lamps to hit the OEM specs exactly. In a rotary blowing machine, the heating profile is incredibly tight. Even a tiny 5% slip in wattage can create “cold spots” or burn certain zones. We’ve dialed in the filament density so the heat flux stays steady across the whole tube. It’s a simple drop-in replacement. You won’t have to spend your afternoon messing around with oven controllers just to get things running right. Quartz and the nitty-gritty We use high-purity quartz glass because it can take the punch of rapid thermal cycling without cracking. As for the wiring? We stick to standard industrial connectors—usually R7s or SK15. You just plug them in. No hacking, no modifying lamp holders, no stress. Plus, the shortwave IR emission is tuned specifically so the PET actually absorbs the heat. The trade-off you need to know about High-wattage tubes are great for high-speed production, but they come with a catch. Running them at full tilt puts a lot of pressure on your cooling fans. If your vents are clogged or your fans are on their last legs, that ambient heat builds up. That’s how you kill a lamp prematurely. Do yourself a favor: keep your airflow clear. It’ll save you from an unplanned shutdown. Matching that power profile is really the only way to stop those annoying heating fluctuations. It keeps your preform temperature steady and keeps your scrap pile small.