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Flow metrics (CFD) templates

CFD — Manufacturing Cell WIP

Ten production days on an injection-moulding cell, computing a 0.3-day flow time through the cell at 77% efficiency while the raw-stock buffer ahead of it grows every single shift.

Template previewFlow metrics (CFD)
Injection moulding cell — released to shipped05,00010,00015,000cumulative unitsRaw stock growingMoulding limit 2002025-05-052025-05-062025-05-072025-05-082025-05-092025-05-102025-05-112025-05-122025-05-132025-05-14Raw stock (queue)MouldingTrim & finishQC hold (queue)ShippedWIP354 unitscommitted at MouldingTHROUGHPUT8026.7 / week1146.67 units/dayCYCLE TIME ≈0.3 daysLittle's Law: WIP ÷ throughputLEAD TIME ≈1 dayall 1,124 units in systemFLOW EFFICIENCY77%272 active · 82 waitingDELIVERY TREND→ 0%steady · 11,260 doneStageTypeWIP (units)LimitTime (days)Raw stockwaiting770—0.7Mouldingactive1942000.2Trim & finishactive78—0.1QC holdwaiting82—0.1Shippeddone11,260——!Queue growth: Raw stock widened for 9 straight periods (2025-05-05 → 2025-05-14, +720 units)!Arrivals outran deliveries by 788 units across the window

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title "Injection moulding cell — released to shipped"
unit units
stages: Raw stock*, Moulding, Trim & finish, QC hold*, Shipped
commit Moulding
wip-limit "Moulding" 200

# Ten consecutive production days. Cycle time is measured from Moulding,
# so the raw-stock buffer is reported separately rather than inflating it.
2025-05-05 |  1276,  1226,  1076,  1010,   940
2025-05-06 |  2486,  2396,  2234,  2164,  2090
2025-05-07 |  3672,  3532,  3384,  3320,  3250
2025-05-08 |  4888,  4688,  4518,  4446,  4370
2025-05-09 |  6094,  5824,  5668,  5602,  5530
2025-05-10 |  7370,  7020,  6842,  6768,  6690
2025-05-11 |  8564,  8124,  7962,  7894,  7820
2025-05-12 |  9862,  9322,  9136,  9060,  8980
2025-05-13 | 11116, 10466, 10296, 10226, 10150
2025-05-14 | 12384, 11614, 11420, 11342, 11260