CRIBSHEET – #101 Audit Certifications!
November 2021
Craftsman’s Cribsheet #101
Quality documentation can aid in problem-solving but only if it is complete.
November 2021
Craftsman’s Cribsheet #101
Quality documentation can aid in problem-solving but only if it is complete.
PMPA Craftsman Cribsheet #127: How To Part off Without A Sub-Spindle Published May 1, 2024 By David Wynn, Technical Services Manager, PMPA Download/View Cribsheet Author David Wynn David Wynn, MBA, is the PMPA Technical Services Manager with over 20 years of experience in the areas of manufacturing, quality, ownership, IT…
September 2019 Craftsman’s Cribsheet #80 To shop personnel, “free machining” has several meanings: • High rate of production is what the boss is looking for. • Low cost of production is what the business owner and accounting seek. • Smooth, workman-like finish is what the engineers and customers are expecting. • To the operator, longer…
Since microalloyed steels are able to get higher properties using forging process heat- rather than an additional heating quenching tempering cycle- they can be less expensive to process to get improved mechanical properties. The microalloyed microstructure of either ferrite pearlite or bainite is less abrasive than that of a fully quench and tempered alloy steel.
PMPA Craftsman Cribsheet #119: Defeating the Hanging Cross-Hole Burr Deburring is a tedious task that is better left to machines. Published September 1, 2023 By David Wynn, Technical Services Manager, PMPA View Dave & Davey Video Download Magazine Article Anyone who has ever drilled a cross-hole knows about burrs. Especially when going through the wall…
Errors of Commission vs Omission Errors will inevitably occur, but understanding what the error is helps us get at the root of the problem. by David Wynn Director of Technical Services & Industry Affairs, PMPA Published October 1, 2025 Download Magazine Article Last month, we looked at Type I and Type II errors in…
Released June 27, 2022. Miles Free and Carli Kistler-Miller provide a technical lesson on the properties of the steel materials that we machine in our shops.