A stack of stamped steel sheets looks like the least acoustically interesting part of a machine. It isn’t. By…

Most insulation-class arguments happen at the wrong level of the machine. Someone asks for “Class H laminations.” What they…

A lamination stack looks deceptively simple. Thin sheets of electrical steel, each wrapped in a coating a couple of…

A lamination stack can pass every electrical test on the factory floor and still arrive at the customer’s dock…

A lamination stack is only as good as the story it can tell about itself. Where did the steel…

A stamped lamination can meet every reported dimension and still produce a poor stack. The bore moves after interlocking.…

A lamination stack looks simple from the outside. A pile of thin steel sheets, punched to the same shape,…

The coil arrives on a truck. Somebody signs a delivery slip. And then, more often than it should, the…

A material certificate tells you how an electrical steel sheet performed under controlled test conditions. It does not tell…

A lamination short is an unintended electrical path between adjacent electrical steel laminations. It allows eddy currents to spread…

Backlack laminations can look finished before the bond is actually proven. That is the uncomfortable part. A motor core…