Kyocera - Каталог фрезерование 2017 ENG
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METS SLOT MILL
Recommended Cutting Conditions
Recommended Insert Grades (Cutting Speed Vc: sfm)
Workpiece fz (ipt) MEGACOAT Carbide GRADES A
Material B
C
PR1230 PR1210 KW10 D
E
Carbon Steel 0.004~0.006 -- LINEUP / INSERTS 45 / 70 LEAD F
Alloy Steel 0.003~0.005 330~660 G
Mold Steel 0.002~0.004 -- H
Cast Iron 0.004~0.006 J
Non-ferrous Metals 0.004~0.006 330~660 -- K
O
P
260~490 330~660 260~390 R
T
- -
330~980
-
: 1st Recommendation : 2nd Recommendation
Part Number Groove Shape at Steel Conditions to Prevent Groove Shape at Cast Iron Conditions to Prevent 75 LEAD
(T-Slot Nominal Size) Pre-process Chattering Pre-process Chattering
T-Slotting Conditions T-Slotting Conditions
C = 0.039~0.118” Vc = 200 C = Over 0.039” Vc = 260
Vc = 390 fz = 0.006 Vc = 390 fz = 0.006
fz = 0.004 C = Over 0.039” fz = 0.005
(n = 920) (n = 1,210)
(n = 1,820) (Vf = 5.394) C = Over 0.039” (n = 1,820) (Vf = 7.165)
(Vf = 7.165) (Vf = 8.583)
METS21-S25(-H) CCCC Vc = 200 C = Over 0.354” Vc = 260 90 LEAD
(Nominal Size 12) CC C C fz = 0.006 Vc = 390 fz = 0.006
fz = 0.005
C = 0.039~0.118” Vc = 390 (n = 760) (n = 1,020)
fz = 0.004 (Vf = 8.976) (n = 1,530) (Vf = 12.047)
METS25-S25(-H) (Vf = 14.449) HIGH FEED
(Nominal Size 14) (n = 1,530) Vc = 200 Vc = 260
(Vf = 12.047) fz = 0.006 Vc = 390 fz = 0.006
fz = 0.005
C = 0.039~0.118” Vc = 330 (n = 600) (n = 800) MULTI-FUNCTION SLOT MILLS RADIUS / BALL-NOSE OTHER APPLICATIONS TOOL HOLDING SPARE PARTS
fz = 0.004 (Vf = 7.087) (n = 1,190) (Vf = 9.449)
METS32-S32(-H) (Vf = 11.260)
(Nominal Size 18) (n = 1,000) Vc = 200 Vc = 260
(Vf = 7.874) fz = 0.006 Vc = 390 fz = 0.006
fz = 0.006
C = 0.354” Vc = 260 (n = 480) (n = 640)
fz = 0.006 (Vf = 5.669) (n = 960) (Vf = 7.559)
METS40-S32(-H) (Vf = 8.976)
(Nominal Size 22) Chattering is likely when
set to shallower than
C = 0.354".
METS50-S32(-H) Not recommended for steel because of chattering Vc = 390 Vc = 260
(Nominal Size 28) fz = 0.006 fz = 0.006
(n = 760) (n = 510)
(Vf = 8.976) (Vf = 6.024)
[Cutting Speed : Vc (sfm), Spindle Revolution : n (min-1), Feed Rate fz (ipt), Table Feed Vf (ipm)]
• Chattering is likely when fz is less than fz = 0.004 ipt. Keep feed rate between fz = 0.004~0.006 ipt.
For cast iron machining, the bigger the C-dimension becomes, the less chattering occurs.
How to Prevent Damaging Chips when Steel Machining
Before Improvement (Deep Groove at Pre-Process) After Improvement (Shallow Groove at Pre-Process)
Deep
Shallow
Improvement TECHNICAL
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 from becoming damaged from chips. INDEX
Use compressed air to aid in chip evacuation.
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