A Better Way to Cure Brake Pad Coatings
Let’s talk about the bottleneck in most brake pad lines: the oven. Most shops use standard convection ovens. They work by heating up the air, which then has to slowly soak into the material. It’s a sluggish process. We’ve found a better way by using short wave infrared (SWIR). Instead of messing around with the air, SWIR hits the coating directly. It’s fast. Really fast. Here is why it works. Short wave IR uses a shorter wavelength, meaning the energy actually digs deep into the coating layers. You aren’t just waiting for the surface to get hot and hope the heat travels inward. The material absorbs the energy throughout its entire volume all at once. The best part? You can shorten your tunnel length and still get a perfect cure. Now, to get industrial brake pads up to temp, you need some serious muscle. We use high-wattage quartz lamps because they pump out concentrated thermal energy. But there’s a catch: you have to be obsessive about your reflector geometry. If those reflectors are even slightly off, you’ll get hot spots that char the coating. We use heavy-duty quartz glass to handle the thermal shock, and these lamps are built for rapid on/off cycling. This is a huge win for your energy bill. You don’t have to keep an oven idling at 200°C while the line is paused. Just kill the power. When the pads hit the belt again, ramp it back up. But look, it’s not magic—there are trade-offs. SWIR is aggressive. If your belt is moving too slowly, you’ll scorch the surface before the core even gets warm. You have to find that sweet spot between your lamp wattage and your conveyor speed. Plus, these tubes pull a lot of current. Make sure your electrical panels and wiring can handle the peak load, or you’ll be tripping breakers the second you start up. At the end of the day, switching to SWIR lets you shrink your oven’s footprint. You get more parts out the door using way less floor space.