Machine Tool Reconditioning And Applications Of Hand Scraping Pdf [top] ✔
Use Prussian blue and a transparent grid overlay. Count blue spots per square inch. [ \textBearing ratio = \frac\textArea of blue spots\textTotal area \times 100% ]
A professional reconditioning shop charges $5,000 to $15,000 to scrape a lathe bed. A new lathe of comparable quality costs $50,000+. For a 1950s Monarch 10EE or a Deckel FP1, reconditioning is always cheaper than replacement because the iron in old machines is denser and more stable than modern castings. Use Prussian blue and a transparent grid overlay