The 235V 1600W Halogen Lamp: The Secret Weapon for PET Heating
Let’s talk about the heart of your PET blow molding setup. We built this 235V, 1600W halogen lamp to handle the toughest part of the job: getting those preforms hot, fast. Because when it comes to heating, you can’t cut corners. It needs to be precise, focused, and quick.
The Power Behind the Process
Running at 235 volts, this lamp was designed to give you the perfect balance of power without overloading your machine’s electrical system. And with 1600 watts of output, it delivers a concentrated blast of heat. The goal? Getting the surface of the PET preform up to temperature in a flash—without ever going too far. It hits that sweet spot, right at the glass transition temperature, so the stretch and blow phase goes smoothly, every single time.
Why Halogen? And Why R7s?
Here’s the thing about halogen: it keeps the filament running incredibly hot. That pushes the light right into the shortwave infrared range. And that’s a big deal. Shortwave infrared gets right down into the preform, heating it from the inside out. You get the heat where you need it, without scorching the surface while the inside is still cold. The quartz envelope can handle the shock of heating up and cooling down, cycle after cycle. Plus, the internal halogen cycle keeps the lamp from getting that blackened look over time. Then there’s the R7s base. It’s a simple, double-ended linear connector that locks the lamp in place and handles all the current. When it’s time for a replacement, you can just pop the old one out and slide the new one in. No rewiring. No fuss. It’s built to handle the constant vibration and temperature swings inside your machine.
What It Means for Your Workflow
In PET blow molding, time is money. This lamp heats preforms at top speed, which keeps your cycles short and your output high. The focused heat also means you don’t have to over-dry the material, so you keep its natural properties intact. Installation? A breeze. Just match up the R7s base, and you’re good to go. But, and this is important, that 1600W output is serious. You need to make sure the reflector and mounting hardware are perfectly aligned to avoid hot spots. And your machine’s cooling system needs to be ready for the extra ambient heat. This lamp will give you consistent, reliable performance for thousands of cycles. Just plan on giving it a quick look now and then, and swap it out when the time comes. It’s just part of keeping everything running smoothly.