Guides
Step-by-step calculation and application guides
Practical notes for material selection, quality checks, and production flows.

Fluid dynamics basics: pipe and duct flow
A quick guide to laminar flow, turbulent flow, Reynolds number, hydraulic diameter, and pressure loss.
Pump type selection guide
Compare positive displacement and dynamic pumps by flow, pressure, viscosity, and service conditions.
Viscosity classification guide
Practical notes for choosing viscosity without mixing ISO VG, SAE, and lubricant grade systems.
Wedge design 101
A starter guide for wedge geometry, friction angle, and force distribution in simple machines.
Machine element life, S-N curve, and fatigue guide
Set up a fatigue approach for shafts, bolts, welds, and bearings under repeated loading.
CNC machining material and cutting speed guide
Quick decisions for cutting speed, feed, and tool life when machining steel, aluminum, stainless steel, and titanium.
Welded design safety and cost balance
Evaluate load path, inspection, distortion, and cost when choosing fillet or full-penetration welds.
Surface finishing methods guide
Compare coating, paint, anodizing, galvanizing, and passivation by environment, cost, and maintenance.
Corrosion resistance and stainless steel selection
Compare 304, 316, and martensitic stainless steels by environment, temperature, and manufacturing needs.
Material selection guide
Compare steel, aluminum, stainless steel, and titanium with strength, weight, cost, and corrosion criteria in one engineering workflow.
Titanium alloys guide
Evaluate Ti-6Al-4V and similar titanium alloys by weight, corrosion resistance, cost, and machinability.
Press fit tolerance selection guide
A checklist for interference fit tolerance, assembly force, surface roughness, and service reliability.
Tolerance stack-up and GD&T guide
Evaluate how part dimensions affect assembly outcome with datum selection and geometric tolerancing examples.
