White Spots and Scratches: Diagnose the Surface Before Naming the Defect
A white spot on a GOES sheet is a location to…
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試験・規格・仕様
変圧器用鉄心に関わる試験、規格、仕様についての技術記事をまとめています。
65 件の記事
Insulation Coating Is a Measured Function, Not a Yes-or-No Feature
"Both sides coated" leaves the most useful co…
記事の原文を読むSurface Rust on GOES: What Should Decide the Disposition?
Colour is a poor acceptance criterion for a r…
記事の原文を読むWhy Restacking the Same Laminations Can Change Performance
Keep every lamination. Change the assembly. T…
記事の原文を読むCore Rework: Restoring Dimensions Without Losing Functional Control
The instruction "grind until it fits" should …
記事の原文を読むRoot Cause Analysis: A Replacement Core Is Not an Explanation
Consider a passing replacement core and a cor…
記事の原文を読むWhen All Factory Checks Passed but the Customer Still Has a Problem
"It passed here" and "it does not work here" …
記事の原文を読むA Passing Final Test Does Not Establish a Stable Process
Every core in the shipment can pass while the…
記事の原文を読むWhat In-House Core Testing Actually Changes
The value of a core test station is measured …
記事の原文を読むSame CRGO Grade, Different Coil: Managing the Variation
A grade designation defines requirements. It …
記事の原文を読むWhy Purchasing and Engineering Disagree About a Core Supplier
Purchasing says the supplier delivered on tim…
記事の原文を読むA Stricter Core Specification Is Not Always a Better Specification
Before tightening a specification, name the f…
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