Welcome to Unionfab's knowledge base for practical insights into different manufacturing processes, materials, and design decisions.

Learn about 3D printing costs, including in-house vs. outsourcing options, with a free cost calculator and saving tips.

Learn how sinker EDM works, which materials and part features it suits, key design and cost considerations, and how to choose a sinker EDM service provider.

Learn how investment casting produces complex metal parts with tight tolerances and smooth finishes, and determine whether it suits your project.

Unionfab has updated pricing across selected 3D printing materials, including both metal and resin options.

Compare phosphate coating vs black oxide for steel parts. Learn the differences in corrosion resistance, paint adhesion, dimensional impact, appearance, and best-use applications.

This guide is about how to select alloys, design for laser powder bed fusion, and control cost, qualification risk, and production readiness.

This is a practical guide to design optimization, material selection, tolerance strategy, and sourcing decisions.

Explore weldability, corrosion resistance, and real-world uses of 316L stainless steel.

See how a DFAM redesign turned a solid mold's non-working structure into a honeycomb lattice, cutting weight by 50% while preserving its full functional geometry.

Compare Metal 3D Printing, CNC Machining, Sheet Metal Fabrication, and Metal Casting to choose the right manufacturing method for custom metal parts based on geometry, tolerance, and application needs.

Compare 3D Printing, CNC Machining, Vacuum Casting, and Injection Molding to choose the right manufacturing method for custom plastic parts based on production volume, geometry, surface finish requirements, lead time, and cost.

Learn how to specify CNC machining tolerances, surface roughness, and finishing requirements for better CNC parts in this practical guide for engineers, product developers, and procurement teams.

Learn how to choose the right additive manufacturing process for prototypes, functional parts, and low-volume production in this practical guide for engineers, product developers, procurement teams, and manufacturing decision-makers.
Want to learn more about CNC machining, 3D printing, vacuum casting, sheet metal fabrication, or material selection? Subscribe to Unionfab's newsletter for practical design tips, process guides, and manufacturing resources delivered to your inbox.
Unionfab is China's Largest 3D Printing Manufacturing Company for Rapid Prototyping and On-Demand Production Parts.
