Short Answer
A machinery ROI analysis should use verified investment, demand, good output, contribution, operating cost, downtime, working capital, collections and downside assumptions. A single payback number is not enough.
Mistake 1: Buying a vague promise
Include machine price, freight, duties where applicable, site work, utilities, tooling, software, training, initial spares, financing and working capital. State tax and currency treatment consistently.
Mistake 2: No evidence standard
Base revenue and savings on confirmed demand or explicit probabilities, realistic utilization and yield. Separate measured inputs from quotations, calculated values and management assumptions.
Mistake 3: Activity without acceptance
Test the case at lower utilization, slower ramp-up, exchange-rate movement, higher consumables, downtime and delayed collection. Define the threshold that would modify or stop the investment.
Mistake 4: Comparing only the headline fee
Compare cash flow, payback, net operating benefit and cost per good part using one time horizon. Do not count the same labor, scrap or outsourcing saving twice.
Mistake 5: Ignoring technical and access risk
Assign owners for demand, technical output, cost, financing and collections. After startup, compare actual good output, downtime, cost, sales and cash collection with the approved case.
Mistake 6: No named owner
Assign one accountable owner, one escalation route and dated actions. Shared responsibility without ownership allows gaps to remain open.
Mistake 7: No outcome review
Review results against the approved objective and baseline. Completion of visits, tickets, training hours or calculations is not proof of operational improvement.
Frequently Asked Questions
What should be fixed before proposals are compared?
The required scope, evidence, acceptance result, exclusions, owner and review date.
Is the lowest price automatically the best option?
No. Compare total cost, operational risk and the ability to prove the required outcome.
What is the next practical step?
Share the proposed investment, expected jobs, prices, costs, utilization and payment assumptions for a controlled ROI model.
Next Step
Share the proposed investment, expected jobs, prices, costs, utilization and payment assumptions for a controlled ROI model.
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