SIG on Infrared Heat and Light

Replacement lamp for SIG Blomax 10

Tue, 28 Jul 2026 09:18:51 +0800

Getting Your PET Heating Right: The Secret to Faster Blow Molding

If you’re running a SIG Blomax 10 or a SACMI setup, you know the drill. You’re dealing with milliseconds. That’s your window. If your lamps lag—even by a fraction of a second—you’re going to see it in the bottle. You get those annoying cold spots or walls that are way too thin in some places and thick in others. It’s a headache. That’s why we focused on killing the “thermal inertia” in our replacement lamps. The heat hits fast. We use high-wattage shortwave infrared (SWIR) tech and spec these tubes for high voltage. Why? Because we want that power density pushed right to the edge of the quartz envelope. The result is a filament that hits its peak temperature almost the instant you flip the switch. The heat sinks into the PET preform quickly, meaning the preform spends less time in the oven and more time becoming a finished product. No warping, no stuttering. We went with heavy-wall fused quartz. It’s tough. It doesn’t warp when the heat spikes during a rapid start. Plus, we calibrated the filaments to match your machine’s power supply exactly. You know that “voltage dip” you get with cheap, generic replacements? We fixed that. When you wire these in, the response is smooth and linear. No stuttering, no guessing—just consistent softening every single time. Getting them in the machine. These are simple drop-in replacements. They fit the existing footprints for SACMI and SIG, so you don’t have to mess around with your reflectors or mounts. Just swap them and go. But here is a heads-up: since these lamps pack so much heat into a small space to get that fast response, they put a bit more stress on the lamp ends. If your cooling fans are clogged with dust or just aren’t pulling their weight, that heat will soak back into the connectors. That’s a shortcut to a burnout. Keep your airflow clear, and these things will last.

Replacement lamp for SIG blow molding

Mon, 13 Jul 2026 12:08:48 +0800

Dealing with Heat Issues in KHS Blow Molding

Ever pull a bottle off the line and notice the walls are way too thin in some spots and thick in others? Or maybe the bottle looks a bit… warped? It’s a headache. Usually, it comes down to uneven heating. When your preform doesn’t get a steady, uniform soak of heat, the stretch ratio just doesn’t work. We see this all the time with old lamps. The thermal profile starts to drift, leaving cold spots that lead to “pearling” or those annoying structural weak points in the PET. The trick to fixing a patchy heat field You need a lamp with the right watt-density. It sounds technical, but it’s really about how the heat hits the plastic. Our replacement tubes for SIG/KHS systems are all about the quartz. We use high-purity quartz so the infrared radiation actually gets into the PET consistently from one end of the tube to the other. Here’s the thing: if your voltage is even a little bit off, you’ll get “hot banding” right in the middle and ice-cold ends. We build ours to tight tolerances so you don’t have to deal with that. Getting them installed These are simple drop-in replacements. You won’t need to go digging through your wiring or redesign your oven. Depending on which KHS model you’re running, we use standard R7s or SK15 connectors. They just slide right into the sockets you already have. Plus, we’ve engineered the coating on the quartz to bounce the heat back toward the preform. It’s just a smarter way to use energy. A quick word of caution High-wattage lamps are great because they give you the heat density you need for fast cycle times. But there’s a catch. When you push that much power through a short tube, it puts a lot of stress on the ends of the lamp. This is where your cooling comes in. If your oven fans are clogged with dust or grime, these high-output lamps will burn out their electrodes way too fast. Keep your airflow clean. It’s the easiest way to make sure your quartz lasts as long as it should.

Replacement lamp for SIG Blomax 4

Fri, 10 Jul 2026 10:50:06 +0800

Getting the Heat Right for PET Preforms

If you’re running high-speed lines—think SIG Blomax 4 or Husky HyPET—you already know the headache. The biggest bottleneck is always heat penetration. When that infrared energy just sits on the surface instead of hitting the core of the preform, you end up with those annoying cold spots, uneven walls, or that cloudy, pearlescent look in the final bottle. It’s frustrating. That’s why we built our replacement lamps. We focused on short-wave infrared (SWIR) to actually get the heat where it needs to be. The secret is power density. To get deep into the plastic, you need a lot of energy in a small space. We use high-wattage halogen filaments that push a concentrated blast of heat. We spent a lot of time balancing the voltage and wattage so the lamps hit the right temperature fast, but without frying the electrodes. Instead of just warming the outside of the PET, the heat actually sinks into the polymer chain. The gear under the hood We went with high-purity quartz glass. It’s not just about handling the heat—it’s about letting the energy out. Low-iron quartz allows way more IR energy to pass through the glass and into your product. As for the fit? We offer R7s or Sk15 connectors. They’re simple drop-in replacements. They slide right into your existing sockets, so you don’t have to spend your weekend rewiring the oven. Real-world warnings Here’s the thing: more heat density puts more stress on your hardware. When you swap to these lamps, your cooling fans have to work a bit harder. If your airflow is clogged or your cooling system is struggling, you might overheat your sockets. And please, do yourself a favor:**check your reflectors.**If they’re dirty, it doesn’t matter how powerful the lamp is—your efficiency is going to tank. Give them a good clean during the install. One last tip: match your lamp to your preform weight. If you’re running heavier preforms, go with the higher wattage. It’s the only way to make sure you don’t get those stubborn cold spots in the base.