‎F.JALILI(جلیلی)‎ on Instagram‎: "✳️At this stage, a black liquid is poured directly onto the finished coil; this process is called potting. Inside is a copper coil wound with extreme precision, which, together with the iron core, creates a magnetic field. The potting locks the coil tightly so that moisture or vibration cannot loosen it. After hardening, this block becomes the stator of the linear motor. When a slider with a magnet is placed on it, the force between the coils and the magnets cre