Mass production rarely fails at the assembly step. It fails at the interface between the pilot and the line: the fixture that existed in one copy, the component lot that changed after the pilot, the test limit carried over from …
Two programmes ordered the same mould in the same month and received their first shots five weeks apart. The design was similar, the tool shop was the same and the price was close. The difference was when each programme had …
A brand waited three weeks for a sample that proved the design and nothing about the process, then lost two more weeks on the branded sample it actually needed for approval. The samples had been requested in the wrong order, …
Production planning is a cycle of five steps rather than a single schedule, and the two steps most programmes skip are the ones that protect the date: checking the plan against capacity, and routing every change through one channel. A …
Two factories answered the capacity question in the same week. One sent a floor plan, a machine list and photographs; the other named the line, the shift pattern, the units per shift for the configuration and the months already committed. …
A manufacturing lead time is a claim like any other, and the way to verify it is not to ask again. It is to ask which of its five parts has been booked. A slot that is estimated, materials that …
A brand planned around a thirty-day production lead time and discovered that the magnetic components carried a forty-five day lead of their own. The production time had been quoted correctly; the calendar had been built from the wrong number, and …
Lead time is not one number. It is a chain of steps, some of which are fixed by physics and some of which are queues, and the chain is shortened at the front rather than at the end. A programme …
Three levels of customisation are usually described with the same word, and the cost difference between them is a fixed-charge difference rather than a material one. A branded platform build and a new enclosure can carry the same electronics and …
Two programmes accepted quotations on the same day. One invoice matched its quotation to within a rounding item; the other came in nine per cent higher. The difference was not the supplier's honesty but whether the quotation had stated its …
A supplier's production cost looked eight per cent lower than a competitor's until the aging step appeared. The cheaper quote had excluded burn-in from the station time and assumed a first-pass yield the process had never measured. Both figures were …
A bulk price is not a discount on a small-order price. It is a different arithmetic: the fixed charges stop being per-unit and become per-programme, and what remains per-unit is the material and the station time. Reading the change that …
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