y WSlot Millin ork Materialg Sindle Seed Cutting Condition Vs.Tool DiameterInsert rd
p p Feed&1"&1.25"&1.5"&2"gae
PMild Steelmin-12250180015001100
(inch/min7─126─107─126─10
Carbon Steelmin-12250180015001100VP15TF
(20HRC)inch/min8─147─128─147─12F7030
Alloy Steelmin-1175018001200900
(30HRC)inch/min6─105─86─105─8
MStainless Steelmin-1190015001250950VP15TF
(304)inch/min3─52.5─43─52.5─4
KGray Cast Ironmin-118001250950650UTi20T
(inch/min7─97─98─108─10
y WShoulder ork MaterialMilling Sindle Seed Cutting Condition Vs.Tool DiameterInsert rd
p p Feed&1"&1.25"&1.5"&2"gae
PMild Steelmin-12250180015001100
(inch/min11─189─1511─189─15
Carbon Steelmin-12250180015001100VP15TF
(20HRC)inch/min12─2111─1812─2111─18F7030
Alloy Steelmin-1175014001200900
(30HRC)inch/min9─158─129─158─12
MStainless Steelmin-1190015001250950VP15TF
(304)inch/min7─126─107─126─10
KGray Cast Ironmin-118001250950650UTi20T
(inch/min8─108─109.5─119.5─11

Note 1) These feed rates are for ENA and ERA inserts. Reduce feed 25% for ENB and ERB inserts. ENB or ERB inserts not recommended in gummy materials like stainless steel or mild steel.

y Slot Milling y Shoulder Milling

Forced air is required at cutting edge Generally down (climb) cut is recommended

CONDITION I CONDITION II CONDITION I CONDITION II

(NOTE FEED RATE) (NOTE FEED RATE)

DC .25xDC .25xDC .5xDC

a Use higher recommended feed rate under CONDITION I. a Use higher recommended feed rate under CONDITION I. a Use lower recommended feed rate under CONDITION II. a Use lower recommended feed rate under CONDITION II.

y Net Cutting Power y For Use of Long Cutting Length Type

a Please use the chart below for reference, please select the Since the overhang from the milling chuck is long, a large width of a

conditions that suits the machines power.÷cut will cause chattering and tool breakage.
aChip Discharge Q (inch3/min)=Table Feed×Depth of Cut×Cutting Width1000Keep the width of cut small and the depth of cut in axial direction large.

a (See the following illustration.) aFor slot milling, keep the table feed at not more than half the value listed in L the above table. (Use the standard cutting length type as much as possible.)

(HP

(Steel 230HB

Not Good Good

Metal Removal (Cubic inch)Large Depth of CutSmall Depth of Cut
(.5xDC .25xDC)( .25xDC)