Discussions about assembly line design usually start with volume. How many units must the line deliver, and how much growth should it accommodate? Those requirements soon become questions about operators, layout, square metres, and investment. To connect them, however, we first need to translate volume into takt: the available production time divided by the required
Assembly lines are expected to absorb demand changes smoothly. They rarely do. When demand increases, operators feel it first. They struggle to finish before the takt pulse, idling the next station, or they move with the unit to catch up. Overtime is used to recover arrears, or extra people are added after the fact, not
Takt time. A simple search will give you countless definitions. But besides the ones that mix up takt time with cycle time, and the ones that speak of takt time as a rate, most of them will give you something along the lines of the time interval at which production needs to complete products in
