
Getting the Heat Right in Tight Spaces
Let’s be honest: standard infrared lamps are great until you’re working with a weirdly shaped bending furnace. When your workspace is cramped, those off-the-shelf tubes usually leave you with “dead zones” where the heat just doesn’t reach. Or worse, they simply won’t fit. We fix that by building the heating elements to match your chamber’s actual shape. No forcing it, no “making it work.” Just a perfect fit.
It’s All About the Geometry
Getting the length right isn’t just about sliding a lamp into a slot. It’s about where the heat actually lands on your glass. If the lamp is too short? You get hot spots. And in jewelry work, a hot spot is a one-way ticket to a cracked piece. Too long, and you’re just wasting electricity heating up the furnace walls. We build these down to the millimeter so the infrared radiation hits exactly where it needs to.
Dealing With Weird Shapes
Jewelry annealing is rarely a straight line. You often need the heat to wrap around the piece, which is why we do U-shaped or L-shaped profiles. By bending the quartz envelopes, we can get the heat source much closer to the glass without the risk of them actually touching. We use high-purity quartz because it can take a beating. It handles the constant heating and cooling without clouding up or snapping.
A Few Things to Keep in Mind
Custom shapes give you a much tighter layout, but they do make the wiring a bit more interesting. You can’t just pop these into a standard socket. Make sure your lead wires have enough slack. If they’re too tight around those bends, you’ll stress the seal and end up with a leak. Also, a quick heads-up: when you cram more wattage into a smaller, custom footprint, the air around the lamp ends gets hot. Fast. Double-check that your cooling fans are up to the task, or you might find your connectors burning out. If you’re fighting for every inch of space but still need your heat to be perfectly even, this is the way to go.