Engineering Articles
Aluminum Casting: Processes, Alloys, Defects and Tolerances
Aluminum casting produces metal parts by pouring or injecting molten aluminum alloy into a mold…
Heat Resistant Plastics: Temperature Ratings, HDT, Vicat and Material Selection
Choose heat resistant plastics for real thermal loads. Compare PEEK, PPS, PEI and others, understand…
Injection Molding Material Selection: How to Validate Resin Grades for Production Parts
Injection molding material selection starts with the part’s operating conditions, not a list of popular…
Durometer Hardness Scale: Shore Types, Test Methods, Thickness and Material Selection
The durometer hardness scale measures how strongly rubber, elastomers, and certain plastics resist indentation under…
Flexural Modulus of Plastics: Formula, Testing and Design Use
Flexural modulus measures bending response under defined test conditions. Compare ASTM D790-25 and ISO 178:2019…
Residual Stress and Distortion in LPBF: Thermal Gradients, Supports and Stress Relief
Learn why residual stress develops during metal LPBF, how supports and plate release change component…
Face Mill vs End Mill: Finishing Large Sealing Surfaces
Face mill vs end mill for large sealing surfaces: Learn how cutter coverage, toolpath marks,…
CNC Machining Lead Time: Can This Quote Really Be Met?
A real 120 part 6061-T6 machining case shows how to compare material removal rate, recorded…
Soft Machining for Thin Walls and Soft Materials: Low-Force CNC Strategies
Low-force CNC machining of thin walls needs controlled cutting load, workholding and unloaded inspection. This…
Galvanneal vs Galvanized Steel After Fabrication: What Changes?
Compare GI and GA sheet after forming, spot welding and powder coating. Review coating designations,…