🌎 Read in English — Mechanical Design articles for global engineers

2026-09

実務ノウハウ

SS400——一般構造用圧延鋼材の特性と使い分け

SS400:一般構造用圧延鋼材の特性と使い分け。主な内容:SS400とは何か・化学成分と機械的性質・400の意味と板厚による強度差の誤解・溶接性・切削性と加工性・SS400 vs S45C vs SPCCなど。
English

CAD Productivity Tips: Keyboard Shortcuts, Templates, and Workflows That Cut Drawing Time in Half

The Hidden Cost of Slow CAD WorkflowsAn engineer who spends eight hours on a drawing that a more efficient colleague pro...
CAD Tools

H7/g6 vs H8/f7: How to Choose the Right Fit (Clearance, Transition, Interference)

Choose the right fit: ISO fundamentals, hole-basis vs shaft-basis, clearance, transition and interference fits, common H7/g6 and H8/f7 applications, and tolerance stacking.
実務ノウハウ

設計者のためのCNC加工見積もり実務——加工費を読む視点

設計者のためのCNC加工見積もり実務:加工費を読む視点。主な内容:見積もり内訳の基本構造を理解する・加工時間を押し上げる設計要素・公差指定がコストに与える影響を数字で理解する・数量とロットサイズが単価に与える影響など。
CAD Tools

Design Change Traceability Management: Keeping a Complete History of Engineering Changes

The Cost of Incomplete Change RecordsEvery mechanical engineer has encountered this situation: a drawing has been revise...
Design Engineer Habits

Daily Drawing Review Routine for Mechanical Engineers: Building the Habit That Consistently Improves Quality

The Gap Between Drawing Skill and Drawing HabitMost experienced mechanical engineers know what makes a good drawing. The...
実務ノウハウ

設計と調達の連携——BOM精度がコストを左右する理由

設計と調達の連携:BOM精度がコストを左右する理由。主な内容:BOMの精度が低いと何が起きるか・部品表の粒度をどこまで細かくするか・設計変更時のBOM同期が最大の落とし穴・コスト意識をBOMに織り込むなど。
Design Engineer Habits

How Mechanical Engineers Can Build a Technical Blog: Turning Expertise into Content and Income

Why Engineering Expertise Is a Valuable Content AssetMost mechanical engineers accumulate years of hard-won knowledge — ...
Engineer Career

Measurement Tools for Mechanical Engineers: Calipers, Micrometers, and Dial Gauges

Why Measurement Competence Defines Design QualityEvery mechanical engineer eventually stands on the shop floor holding a...
実務ノウハウ

CAD作業の効率化Tips——ショートカットとテンプレートで作業時間を半減させる

CAD作業の効率化Tips:ショートカットとテンプレートで作業時間を半減させる。主な内容:ショートカットキーの徹底活用・テンプレートファイルの整備・ファイル命名規則と保存ルールなど。