English Planetary Gear Systems: Ratio Calculation and Design for Compact High-Torque Applications
Planetary gear systems have been a constant part of my work over the last twenty years as a contract mechanical designer...
Mechanical Design Practice
English 
English Cam Profile Design: Follower Motion Curves and Avoiding Jerk and Vibration
Cam design is one of those areas of mechanical engineering where the math is well documented but the practical judgment ...
English Geneva Mechanism and Intermittent Motion Devices: Design Principles and Applications
Over twenty years of working as a contract mechanical designer inside large manufacturing plants in Japan, I've had to s...
English Worm Gear Design: Self-Locking, Efficiency, and When to Choose Worm Drives
Worm Gear Design: Self-Locking, Efficiency, and When to Choose Worm Drives. Covers Self-Locking: Why Its Not a Given, Lead Angle and Ratio Selection.
English Four-Bar Linkage Design: Grashof Condition and Motion Analysis for Mechanism Engineers
I've spent the better part of twenty years as a contract mechanical designer stationed inside the engineering department...
English FreeCAD for Mechanical Engineers: A Practical Getting Started Guide
A practical FreeCAD guide for mechanical engineers: Part Design workflow, assembly options, TechDraw drawings, strengths and limits vs commercial CAD, and FAQ.
English Fusion 360 vs SolidWorks: Which 3D CAD Is Right for You?
Fusion 360 vs SolidWorks: Which 3D CAD Is Right for You? Covers Two CAD Tools, Two Different Philosophies, Pricing and Licensing: A Significant Difference.
English CATIA vs SolidWorks: Key Differences for Mechanical Designers
Different Tools Built for Different Scales of ProblemCATIA and SolidWorks are both professional 3D CAD platforms, and bo...
English 3D CAD Modeling Rules for Teams: Naming Conventions, Feature Structure, and File Organization That Survives Handoffs
Why CAD Files Need GovernanceA 3D CAD model created by one engineer and opened by another six months later should be imm...
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...