WonksAnonymous
For manufacturing owners, operations leads and finance teams
Do the math before you buy the machine.
We write about what production really costs: payback on new equipment, cost per good pack, bottlenecks, downtime and imported machinery. Each piece shows its arithmetic with labeled example numbers, so you can swap in your own and see whether the answer changes.
Topics
Production Economics
What a good pack costs to make once downtime, scrap, changeovers and the slowest machine on the line are counted.
Automation Investment
How to tell whether a machine will pay for itself, starting from the full installed cost and the hours it will actually run, and how to check the answer once it is in.
Trade and Supply Chains
Everything between a supplier's price and a running line: freight, duties, installation, spares, fair quote comparisons, and when a contract packer beats owning the line.
Start here
Deciding whether to buy a machine
Start with what payback, ROI and TCO each tell you, then check whether your orders will keep the machine busy.
Chasing more output from a line
Find the bottleneck before you pay for speed, then put a number on each stop and changeover.
Comparing quotes from suppliers
Get every quote onto the same scope and trade terms before you compare prices.
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Measuring the Cost of Unplanned Production Downtime
Three ways to value an hour of unplanned downtime (lost revenue, lost contribution, recovery cost), when each applies, and a worked 90-minute stop.
Contract Packing Versus Owning a Packaging Line
When a contract packer costs less than your own line, when it does not, and the non-price factors that decide the close cases, with a worked break-even.
The 90-Day Post-Installation Review: Did Automation Deliver?
A review template that compares an automation business case with 90 days of actual results, recalculates payback, and records lessons for the next investment.
Manual, Semi-Automatic or Fully Automatic Packaging? A Cost Model
A volume-based cost model that puts manual, semi-automatic and fully automatic packaging on one basis, with the crossover volumes worked out and checked.
Small Batches and Frequent Changeovers: The Hidden Cost of Packaging
A model linking batch size, changeover time and run time to good packs and cost per good pack, with a worked shift example and a simple changeover log.
Rollstock Versus Premade Pouches: Comparing the Total Packaging Cost
How to put rollstock and premade pouches on one cost basis: material, waste, labor, equipment and order structure, with two worked scenarios and a break-even formula.
Comparing Packaging Machinery Quotes on a Like-for-Like Basis
A method and comparison table that put packaging machinery quotes on the same scope, so the lowest headline price is not mistaken for the lowest cost.
Automation Payback, ROI and TCO: What Each Metric Tells You
Payback, ROI and TCO answer three different questions. One worked automation case run through all three, with what each metric leaves out.
Cost per Good Pack: A More Useful Measure Than Nameplate Speed
How to define cost per good pack, avoid counting scrap twice, and keep equipment investment as a separate, labeled line, with a one-month worked example.
How Equipment Utilization Changes Automation Payback
Low, medium and high utilization scenarios for one $60,000 automation case, with a sensitivity check and a break-even hours formula.
The True Installed Cost of Packaging Automation
A checklist of the costs beyond a packaging machine's price, a worked installed-cost example, and how to get suppliers to state scope and exclusions.
Why Faster Machines Do Not Always Increase Line Output
How bottlenecks, availability and good-unit output decide what a packaging line delivers, with a worked four-stage example and a pre-purchase measurement list.
Labor Savings Versus Redeployment: Avoiding False Payback Claims
How to separate cash labor savings from freed hours in an automation business case, so a payback claim does not count wages the company will still pay.
Imported Equipment Costs Beyond the Factory Price
A landed-and-running cost checklist for imported packaging machinery, showing which costs depend on the Incoterms rule and which never do.