Hospital bed and paper machine: what they have in common

1. Step 1. Hospital bed — has part — Lead screw. Adjustment by a screw.
2. Step 2. Lead screw — is part of — 3D printer. The axes are moved by screws.
3. Step 3. 3D printer — uses — Program control of a machine. The layers are set by a program (G-code), as with CNC.
4. Step 4. Program control of a machine — is used in — Bouchon’s loom. A perforated tape set which threads to raise.
5. Step 5. Bouchon’s loom — is made of — Paper. The program is a perforated paper tape.
6. Step 6. Paper — uses — Paper machine. Industrial production.

Open Evothings