Rusty Transformer Laminations

From thin 4 to 6 mil laminations to orthosil squared hysteresis loop silicon iron alloys the current product line.

Rusty transformer laminations.

Rusty transformers will also hurt my tone so i must remove the rust or replace the transformers to make my amp operate properly and extend its life. If transformer get rusted it will cause big noise and core overheating. I often find that if the laminations are very rusty they cause the stack to swell and may damage the inner winding. From initial transformer lamination production in 1927 to serve the infant radio industry thomas skinner s ei transformer lamination operation led the way pioneering large three phase wide window and thin gauge laminations.

To inhibit rusting again i use a rust preventive spray that also acts as a primer. 1 when the transformer get serious rusted the noise will be very big and transformer structure become instable even though it might break up due to the magnetostriction ef. The problem with media blasting sanding or any other type of rust remediation on the laminations of a transformer is that the area that is de rusted will have some level of electrical magnetic continuity between laminations after it s cleaned. I heard that rust is bad for my transformers i m being told that rust causes an increase in eddy current losses which will heat up and further damage my transformer.

In that case i sand the loose rust off with a table top belt sander. I have some ei core sheets 0 5mm thick. Nothing could be further from the truth.