Glass bead annealing heater

Wed, 29 Jul 2026 11:37:35 +0800

Dealing with Voltage Headaches in Glass Bead Annealing

When you’re annealing glass beads, it’s all about the balance. You need enough heat to get rid of those internal stresses, but not so much that you melt your perfect sphere into a blob. We use shortwave IR lamps to get the job done. But here’s the real kicker for engineers: the heat is the easy part. The nightmare is the power grid.

The 110V to 575V Mess

Depending on where you are in the world, the industrial standards are all over the place. If you take a lamp built for 110V in the US and plug it into a 480V or 575V line in Canada or Europe, it won’t just fail. It’ll pop instantly. That’s why we build our IR heaters to actually match the grid you’re using. Now, going with a 575V system has its perks. You pull less current for the same amount of power, which means you can get away with thinner wires and smaller breakers. It keeps things lean. But there’s a catch. High voltage loves to arc at the terminals. You’ve got to make sure your housing is grounded and your connectors can handle a sudden spike, or you’re asking for trouble.

Bead on Infrared Heat Wave Solutions

Glass bead annealing heater

Dealing with Voltage Headaches in Glass Bead Annealing

The 110V to 575V Mess