Blog

Understand tolerance stack-up with a simple mechanical assembly example and learn when worst-case and statistical approaches are useful.

Use this mechanical design review checklist before releasing drawings. Check dimensions, tolerances, materials, manufacturability, BOM, safety and documentation.

Learn surface finish symbols on engineering drawings, Ra roughness, machining requirements and how to choose practical surface finish values.

Learn how to create a BOM in mechanical engineering, including assembly structure, part numbers, quantities, materials, revisions and release checks.

Learn SolidWorks sheet metal design using base flange, edge flange, bends, bend relief, flat pattern and manufacturing checks.

Understand stress concentration in mechanical design, why holes and sharp corners increase local stress, and practical ways to reduce peak stress.

Learn practical design for manufacturing DFM rules for machining, sheet metal, plastic parts, assembly, cost reduction and production quality.

Learn sheet metal bend allowance calculation using K-factor, bend angle, inside radius and bend deduction for accurate flat patterns.

Learn fits and tolerances in mechanical engineering with clearance, transition and interference fit examples for shafts, holes and assemblies.

A practical guide to welding symbols on engineering drawings, including fillet welds, groove welds, size, length and drawing interpretation.