LESSON 8.3 · 1:43 · CHAPTER 8 · MACHINES, PATHS AND MACHINING
Print fat, cut thin
Large format printing is near-net: print oversize at speed, then mill to shape on a stiff machine.
Predict · at 0:27 in the video
A two square metre mould face is printed with six millimetres of extra stock. How much carbon fibre ABS turns into chips?
About twelve litres. Fourteen kilograms. Two square metres times six millimetres is twelve litres, at 1.14 kilograms a litre.
Further reading
This course is our own. These books go deeper.
- The economics of Big Area Additive Manufacturing, Post et al., Solid Freeform Fabrication Symposium, 2016
- Additively manufactured carbon fibre-reinforced composites: state of the art and perspective, van de Werken et al., Composites Part A, 2020
About the numbers
Simulations in this lesson are our own. Where a number rests on an assumption or a single source, the video marks it with an asterisk and says where it comes from.
Up next · 8.4 · 1:45Machine below the valleys