Field Notes

When a CNC retrofit makes sense

Good iron, documented geometry and a realistic electrical plan are prerequisites.

When a CNC retrofit makes sense

The decision behind the headline

Good iron, documented geometry and a realistic electrical plan are prerequisites. The useful question is how the issue changes total installed cost, uptime, process capability or risk.

Build a written comparison

List facts, unknowns, quotations, inspection results and assumptions. Price uncertainty rather than pretending it does not exist.

Confirm before purchase

Use manuals, serial data, service records, supplier confirmation and independent inspection. Preserve the evidence with the purchase file.

Marketplace research

Compare complete descriptions, photographs, included tooling, freight terms, control condition, and seller history. A listing title is not an inspection report.

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