Lily's Column
What is anodizing?
Anodizing is a key step in manufacturing aluminum CNC machined parts . An electrochemical process that involves coating a metal part with an oxide...
What is SLA 3D printing?
In this introduction to Stereolithography (SLA) we cover the basic principles of the process that are key to determine whether it is suitable for ...
What is SLS 3D printing?
Selective Laser Sintering (SLS) is an additive manufacturing process that belongs to the Powder Bed Fusion family. In SLS 3D printing, a laser sele...
What is rapid prototyping?
Rapid prototyping uses 3D computer-aided design (CAD) and manufacturing processes to quickly develop 3D parts or assemblies for research and develo...
What is CNC machining?
CNC (Computer Numerical Control) machining is a subtractive manufacturing technology: parts are created by removing material from a solid block (ca...
What is injection molding?
Injection molding is a manufacturing technology for the mass-production of identical plastic parts with good tolerances. In Injection Molding, p...
Injection molding SPI surface finishes
SPI Mold Finishes
Finish
SPI* standard
Finishing Method
Typical surface roughness Ra (μm)
Super High Glossy finish
A-1
Grade #3, 6000 Grit D...