Брошюра Tungaloy новая продукция - страница 164

APPLICATION RANGE AND RECOMMENDED TOOL LENGTHS FOR DMF HEAD Please use the shortest possible tool Recommended L/D ≤8 Plane surface Complex exit Cross hole Rough / cast surface Application Recommended L/D ≤3 ≤ 1.5 Slant surface Round surface Hole expansion Plunging Application - Maximum slant angle 12 degrees - Feed rate should be decreased when drilling uneven surfaces - Overlap should be under 30% of head dia. at hole expansion - Plunging width should be 70% of head dia. H E A D C O M B I N ATI O N S O F PR E- H O LE TO M A I N H O LE Pre-hole DMP DMC DMF Good Not good Not good DMP Good Good Good Hole DMC Not good Not good Good DMF 164 N E W PR O D U C T S