John Miller
- Indexed articles, last 90 days
- 3
- Latest publication
- Oct 1, 2026
- Outlet visibility, for Modern Machine Shop
- Top 5M sites
- Earliest in this view
- Aug 1, 2026
Latest articles
How to Set Process Defaults for Consistent Programming From Part to Part (opens the original)
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Reader Question: We’ve grown our programming department, and with that we’ve picked up some new habits. What are some ways we can get the team aligned on best practices and promote consistency? Most shops have the basics settled. Program format, offset handling, safe starts at every tool and a well-tuned postprocessor doing most of that work automatically. If yours doesn’t, that’s the first place to look. But the consistency problem you’re describing usually lives one layer up, in the small deci
How to Build Programming Clarity in CAM Systems (opens the original)
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Reader Question: Is there a better way to build our CAM files so the entire shop can understand the programmer’s intent? I have been doing more contract programming lately, and it has changed how I build files. When you are in the building, you can get away with a lot. Someone walks over and asks what you meant, and you tell them. When you are not in the building, you find out quickly that a setup sheet does not carry intent. It carries some basic process facts like the tool list, stock size, wo
How to Certify Production at Scale With PPAP (opens the original)
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Reader Question: A longtime customer of ours is pushing for larger orders from us but also requires a PPAP to certify production. Can you explain this process and what it means for our machining process? PPAP (production part approval process) is the package you submit to prove, before the first production order ships, that your process can make the part not just once, but every time you press “cycle start.” Part of that package is capability, which is a number that says how well your process fi
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