Worked scenario
The customer added a requirement in week four
Mid-build changes are normal in made-to-order machinery, and unrecorded they consume margin and produce delivery disputes.
3 min read
A customer asks for something additional while the machine is being built. It is reasonable, it is small, and it is agreed on the phone.
Small changes accumulate
Individually each is absorbable. Four of them consume real time and material, and the delivery date has not moved because nobody revised it. The manufacturer then delivers late against a date that stopped being achievable in week four.
Impact stated at the time
The moment to say a change costs three days is when it is requested. Said at delivery, it reads as an excuse; said at the time, it is a decision the customer makes with full information — and often they will drop the request.
The cumulative view
Manufacturers who record changes usually find margin erosion is concentrated in a few orders that each absorbed several. That is a process finding, not a customer problem, and it is only visible in aggregate.
What changes
- Change requests recorded against the order with cost and time impact
- Acceptance obtained before the change is made, not after
- Delivery date formally revised rather than silently missed
- Cumulative change cost visible before it is absorbed
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