Hourglass wooden frame e Máquina CNC: o que têm em comum

1. Passo 1. Hourglass wooden frame — faz parte de — Hourglass. A protective frame.
2. Passo 2. Hourglass — funciona como — Water clock (clepsydra). The same principle of timing by outflow, with sand instead of water.
3. Passo 3. Water clock (clepsydra) — evoluiu para — Mechanical clock. Mechanical clocks replaced water clocks, swapping the flow of water for an escapement.
4. Passo 4. Mechanical clock — tem como parte — Gear. A gear train counts seconds, minutes and hours.
5. Passo 5. Gear — faz parte de — Milling machine. A gear train drives the feed.
6. Passo 6. Milling machine — evoluiu para — Máquina CNC. The first CNC machines were milling machines (MIT, 1952).

Abrir Evothings