Lamination Alignment Is a Magnetic and Assembly Variable
An offset lamination is not just an untidy ed…
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Cutting, stacking & assembly
Practical engineering articles for transformer-core selection, design and production.
100 articles
What Cutting Changes Near a GOES Edge
A sheared edge has two stories: the burr you …
Read full articleMore Step-Lap Steps Do Not Automatically Make a Better Core
Adding steps changes a joint design. It does …
Read full articleOne Joint-Gap Reading Cannot Represent a Whole Stack
The inspection sheet shows one joint-gap valu…
Read full articleThe Smallest Step-Lap Gap Is Not the Whole Objective
"Close the gap as much as possible" is not a …
Read full articleClamping Pressure Is Not a More-Is-Better Setting
The torque wrench clicks. The core is still n…
Read full articleMechanical Stress After the Core Is Built
The chemistry has not changed. The magnetic r…
Read full articleA Supplier Audit Should Follow One Core Backwards
Skip the second tour of the cutting line. Cho…
Read full articleCompare Transformer Core Quotes at the Same Handover Scope
A core quotation can win on USD per tonne and…
Read full articlePremium GOES or Better Core Manufacturing Control?
Could an ordinary GOES grade outperform a pre…
Read full articleTransformer Core Drawings and Manufacturing Recipe Control
Look at two cores made to the same drawing. T…
Read full articleSame CRGO, Different Finished-Core Performance
Two cores can start with the same steel grade…
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