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0542-4425

3D printing and design of plastic parts

Also listed as: הדפסת תלת מימד ותכן חלקי פלסטיקה

Additive manufacturing and plastic part design in one course. Israel is a global additive-manufacturing hub, so the pipeline from this material to a job is unusually direct.

Semester
Semester B
Weekly hours
3h
Counts as
Department electives
Interest areas
Miniaturised systems and materials · Mechanical design

Comes after

  • Engineering design (recommended)

Opens up

  • Additive-manufacturing research

What it covers

Processes and materials

  • Process families: FDM, SLA and DLP, SLS, SLM and DMLS, binder jetting, PolyJet
  • Polymer materials and their properties
  • STL and slicing workflow
  • Post-processing, tolerances and quality

Design

  • Design for additive manufacturing: supports, orientation, anisotropy
  • Topology optimisation and lattice structures
  • Plastic part design: wall thickness, ribs, bosses, snap-fits, draft, living hinges
  • Injection moulding as the comparison case for design-for-manufacture

Results worth carrying out

  • Build time from layer height

    tbuild=Hhtlayer+tsetupt_{\text{build}} = \frac{H}{h}\,t_{\text{layer}} + t_{\text{setup}}
  • Anisotropy of a layer-wise build

    η=σzσxy<1\eta = \frac{\sigma_z}{\sigma_{xy}} < 1
  • Cantilever snap-fit strain

    ε=3yt2L2\varepsilon = \frac{3\,y\,t}{2L^2}

Figures worth knowing

  • Process schematics
  • Slicing and support diagrams
  • Topology-optimised geometry
  • Snap-fit design charts

Related courses

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The topic outlines are not official syllabi. The university publishes a catalogue blurb per course, not lecture-by-lecture material, so each outline describes what a course of that name, at those hours, with those prerequisites teaches at engineering schools generally, cross-checked against the standard textbook for the subject. Treat it as an informed map, not as a transcript of the lectures.