Rates and Final Yield

First-Pass Yield

First-pass yield is the exact first-pass good count divided by started units.

highlighted = computed this step

First-pass ratio

First-pass yield is first-pass good divided by started units.

first-pass yield=first-pass good/started\text{first-pass yield}=\text{first-pass good}/\text{started}
Yield ratesThe chart shows the count split and the exact rates.yield ratesstarted 100; first-pass good 80; final good 95startedstarted 100first passfirst-pass good 80after reworkfinal good 95measurecount/ratemeaningfirst-pass yield4/5good before reworkrework rate3/20sent to reworkscrap rate1/20scrappedfinal yield19/20good after reworkimprovement3/20final minus first-passdeterministic quality-count arithmetic only

First-pass yield

First-pass yield is 4/5.

80/100=4/580 / 100 = 4/5
Yield ratesThe chart shows the count split and the exact rates.yield ratesstarted 100; first-pass good 80; final good 95startedstarted 100first passfirst-pass good 80after reworkfinal good 95measurecount/ratemeaningfirst-pass yield4/5good before reworkrework rate3/20sent to reworkscrap rate1/20scrappedfinal yield19/20good after reworkimprovement3/20final minus first-passdeterministic quality-count arithmetic only