Kyocera - Основной каталог 2010-2011 ENG
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Recommended Cutting Conditions
Recommended Insert Grade (Cutting Speed Vc: m/min)
fz Cermet PVD Coated Carbide Carbide
(mm/t)
Workpiece Material TN60
TN100M
TC60
PR630
PR730
PR830
PR660
PR905
PW30
KW10
Stainless Steel -
Carbon Steel 0.1~0.15 80~150 60~130
Alloy Steel 0.08~0.12 80~150 60~130
Mold Steel 0.05~0.1 60~100 60~100
Cast Iron 0.1~0.15 80~150 80~120
Non-ferrous Metals 0.1~0.15
100~300
: 1st Recommendation : 2nd Recommendation
Toolholder Description Steel Cast Iron
(T Slot Nominal Size) Recommended Groove Recommended Recommended conditions Recommended Groove Recommended Recommended conditions to
Shape at Pre-process T-Slotting Conditions to prevent chattering Shape at Pre-process T-Slotting Conditions prevent chattering
C 1~3mm Vc= 120 Vc= 60 C over 1mm Vc= 120 Vc= 80
fz= 0.1 fz= 0.15 fz= 0.12 fz= 0.15
METS21-S25(-H) CCCC
CCCC
(Nominal Size 12) (n= 1820) (n= 920) (n= 1820) (n= 1210)
Milling(Vf= 182)(Vf= 137)(Vf= 218)(Vf= 182)
C 1~3mm Vc= 120 Vc= 60 C over 1mm Vc= 120 Vc= 80
fz= 0.1 fz= 0.15 fz= 0.12 fz= 0.15
METS25-S25(-H)
(Nominal Size 14) (n= 1530) (n= 760) (n= 1530) (n= 1020)
(Vf= 306) (Vf= 228) (Vf= 367) (Vf= 306)
C 1~3mm Vc= 100 Vc= 60 C over 1mm Vc= 120 Vc= 80
fz= 0.1 fz= 0.15 fz= 0.12 fz= 0.15
METS32-S32(-H)
(Nominal Size 18) (n= 1000) (n= 600) (n= 1190) (n= 800)
(Vf= 200) (Vf= 180) (Vf= 286) (Vf= 240)
METS40-S32(-H) C 9mm Vc= 80 Vz= 60 C over 9mm Vc= 120 Vc= 80 M
(Nominal Size 22) fz= 0.15 fz= 0.15 fz= 0.15 fz= 0.15
Chattering is likely (n= 480) (n= 960) (n= 640)
when set to shallower (Vf= 144) (Vf= 228) (Vf= 192)
than C=9mm.
METS50-S32(-H) Not recommended for steel because of chattering Vc= 120 Vc= 80
(Nominal Size 28) fz= 0.15 fz= 0.15
(n= 760) (n= 510)
(Vf= 228) (Vf= 153)
[Cutting Speed: Vc (m/min), Spindle Revolution: n (min-1), Feed Rate fz (mm/t), Table Feed Vf (mm/min)]
Chattering is likely when f is less than fz=0.1mm/t. Keep feed rate between fz=0.1~0.15mm/t.
For cast iron machining, the bigger the C-dimension becomes, the less chattering occurs.
How to prevent damaging Chips when Steel machining
Before Improvement After Improvement
(Deep Groove at Pre-Process) (Shallow Groove at Pre-Process)
Deep Shallow
Improvement
of chip biting
Chips stay in the pre-process groove. Chips are evacuated backward and
chances of damaging chips are less.
Make pre-process groove shallower to prevent the tool damage from chips.
Use compressed air to aid in chip evacuation.
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