Shoulder milling – CoroMill® 390
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Shoulder milling – CoroMill® 390 - 1

Insert sizes 11 and 17 mm First choice Operation stability LowHigh Insert geometry > Coarse pitch (L) Close pitch (M) General purpose milling and mixed production. Small to medium machines. Generally the first choice. Extra close pitch (H) Reduced number of inserts. For use when stability and power are limited. Deep full-slotting operations. Small machines. Lowest cutting forces. Maximum number of inserts for use under stable conditions. Short chipping materials. Heat resistant materials. Edging operations. Workpiece material/Geometry > First choice ISO/ANSI LMH Medium Light Heavy SteelStainless steelCast ironNon-ferrous materialHeat resistant materialHardened material P M K > For general milling in most materials.Light milling. Low cutting forces. Low feed rates.Heavy milling. High cutting forces. High feed rates. N S H Operations: > Repeated shoulder millingShoulder millingRampingHelical boringSlotmilling 148 size="-1">

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Shoulder milling – CoroMill® 390 - 4

GOOD CONDITIONSDIFFICULT CONDITIONS AVERAGE CONDITIONS ISO/ANSI L = Light M = Medium H = Heavy Ordering codeOrdering codeOrdering code Ordering codeOrdering codeOrdering codeOrdering codeOrdering codeOrdering code Ordering codeOrdering codeOrdering codeOrdering codeOrdering codeOrdering code Ordering codeOrdering codeOrdering code > L/M/H

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Shoulder milling – CoroMill® 390 - 5

First choice Operation stability LowHigh > Coarse pitch (L) Close pitch (M) General purpose milling and mixed production. Small to medium machines. Generally the first choice. Extra close pitch (H) Reduced number of inserts. For use when stability and power are limited. Deep full-slotting operations. Small machines. Lowest cutting forces. Maximum number of inserts for use under stable conditions. Short chipping materials. Heat resistant materials. Edging operations. Insert geometry Workpiece material/Geometry > First choice ISO/ANSI LMH Medium Light SteelStainless steel Cast iron Heat...

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Shoulder milling – CoroMill® 390 - 6

Max cutting depth ( a p ) = 15.7 mm Ordering codeOrdering codeOrdering codeDimensions. mm dm D Coarse pitch (L)Close pitch (M)Extra close pitch (H) m c D max 5m l 1 l 3 n Arbor 50 63 80 100 125 160 200R390-050Q22-18L 063Q22-18L 080Q27-18L 100Q32-18L 125Q40-18L 160Q40-18L 200Q60-18L > Coromant Capto ֖ ֖ R390-044C4-18L080 ֖ ֖ ֖ ֖ ֖ ֖ > Ordering example: 2 pcs R390-050Q22-18M 153 >

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Shoulder milling – CoroMill® 390 - 7

GOOD CONDITIONSDIFFICULT CONDITIONS AVERAGE CONDITIONS ISO/ANSI L = Light M = Medium H = Heavy Ordering codeOrdering codeOrdering codeOrdering codeOrdering codeOrdering codeOrdering code > L/M/H c z c z c z L/M R390-180612M-PM 10302750.20 R390-180612M-MM 20302650.18 R390-180612M-MM 20402550.15 Ordering code Ordering codeOrdering codeOrdering codeOrdering code > L/M/H

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