Garage door making a strange sound? This could indicate that the rollers need attention. Though they can last years, all rollers will need replacing eventually.

You know the feeling. Another roller seized up mid-shift. Another bearing that was supposed to last years, gone after months. Another emergency call that throws your whole maintenance schedule off ...

Aiming at the problem of low efficiency and power factor of traditional induction motors, a new type of induction motor with toroidal winding is proposed. The geometric topology of the toroidal ...

The Belfry OpenScad Library, v2.0. An OpenSCAD library of shapes, masks, and manipulators to make working with OpenSCAD easier. BETA - shapes3d.scad · BelfrySCAD/BOSL2 Wiki ...