When searching for a PDF on this topic, there is one definitive resource that is universally recognized as the "Bible" of the trade.
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The technician uses a hand scraper (a tool with a highly polished, slightly radiused carbide tip) held at a specific angle (usually around 45 degrees to the body, with a 5-degree negative rake angle at the tip). By applying downward pressure and a forward thrusting motion, the technician chips away the blue-stained high spots, removing increments as small as 0.0001 to 0.00005 inches (2.5 to 1.2 microns) of material per pass. 4. Cross-Hatching If you share with third parties, their policies apply
Heavily worn cast iron ways are often planed or milled first to remove deep scoring and major distortions. The technician uses a hand scraper (a tool
Focuses on shifting the geometry and leveling major twists.