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Poor phonograph like surface finish from lathe - The Home Shop Machinist & Machinist's Workshop Magazine's BBS
![General | Bad surface finish (manual lathe) | Practical Machinist - Largest Manufacturing Technology Forum on the Web General | Bad surface finish (manual lathe) | Practical Machinist - Largest Manufacturing Technology Forum on the Web](https://www.practicalmachinist.com/forum/data/attachments/278/278833-69649a5e611b2eb1685e1a264443274d.jpg)
General | Bad surface finish (manual lathe) | Practical Machinist - Largest Manufacturing Technology Forum on the Web
![Why increasing DOC produce fine surface finish? the shiny surface on the left was cut with 1mm DOC and the poor surface on the right was cut with 0.05DOC : r/CNC Why increasing DOC produce fine surface finish? the shiny surface on the left was cut with 1mm DOC and the poor surface on the right was cut with 0.05DOC : r/CNC](https://preview.redd.it/l7uy7ossq6i91.jpg?auto=webp&s=2f359c80de174be2e5e67bf5b5a5cebf64ebf280)
Why increasing DOC produce fine surface finish? the shiny surface on the left was cut with 1mm DOC and the poor surface on the right was cut with 0.05DOC : r/CNC
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