SME
Manufacturing Processes · Problem type
The seven additive families
Use this for “Which additive family is SLS? Which is wire-and-arc DED?”
Sort
How is each layer made?
Tap a card, then tap its group.
Assumptions
•
ISO/ASTM 52900 sorts additive processes into seven families by how each layer is made.
•
A trade name (SLA, FDM, SLS) is one process inside a family, not a family itself.
Topic check
See what you know: 5 questions on this topic
New questions each time. Pass to mark it complete.
Related lessons
Additive manufacturing
Main lesson
The stair-step error on a sloped face
Use this for “0.2 mm layers on a face at 30° from the build plate. How high is the cusp?”
FDM print time from the bead
Use this for “A 0.4 mm wide, 0.2 mm tall bead at 60 mm/s. How long does 12 cm³ of plastic take?”
The steps of a metal print
Use this for “Put these in order for a metal powder-bed part: slice, stress-relieve, add supports, cut from the plate.”