Общий каталог Sumitomo 2019 - 2020 - страница 14

Chipbreaker and Grade Selection Guide for Turning
Material Stainless Steel
Work
Stainless Steel


Grades
200
Insert Grades


High-speed/High-efficiency Cutting
AC6020M
Cutting Speed Vc (m/min)

150


A
Wide Cutting Range
100
AC6030M Heavy Interrupted Cutting
AC6040M
For Small Lathes
AC1030U
50
Steel


Finishing Roughing
Stainless


Continuous Partially Interrupted Interrupted
Steel


Chipbreakers
Cast Iron


Negative Type Positive Type
EG Type EM Type MU Type
Exotic Alloy


6.0 4.0
EM Type EX Type MU Type
Depth of Cut ap (mm)
Depth of Cut ap (mm)


(MU Type) SU Type
3.0 MU Type
4.0
Hardened


GU Type
LU Type
Steel


2.0
EG Type EF Type SU Type
2.0 EX Type LB Type LB Type
Non-Ferrous


GU Type LU Type
1.0
EF Type
Metal


(SU Type) SU Type

0 0.2 0.4 0.6 0 0.2 0.4
Feed Rate f (mm/rev) Feed Rate f (mm/rev)
For Small
Lathes


Refer to the Tools for Small Lathes chapter D7 for the Chipbreaker Selection Guide for ground (G Class) inserts.

Stainless Steel
Recommended Cutting Conditions
(Red text indicates 1st recommendation)
Cutting Cutting Conditions Min. - Optimum - Max.
Work Material Chipbreaker Grade
Process Depth of Cut ap (mm) Feed Rate f (mm/rev) Cutting Speed vc (m/min)
SUS405, SUS410L, Finishing EF(SU) AC6020M 0.5-1.5-2.0 0.05-0.15-0.25 170-230-300
Ferritic
SUS430, SUS430F, Medium EG/GU/EX AC6030M 1.0-2.5-4.0 0.10-0.25-0.40 140-170-250
Cr-based


SUS434, SUS447FJ1 Rough EM AC6040M 1.5-3.5-6.0 0.20-0.35-0.60 140-170-200
SUS403, SUS410, Finishing EF(SU) AC6020M 0.5-1.5-2.0 0.05-0.15-0.25 120-180-240
Martensitic SUS420J2,SUS420F, Medium EG/GU/EX AC6030M 1.0-2.5-4.0 0.10-0.25-0.40 100-150-200
SUS440F Rough EM AC6040M 1.5-3.5-6.0 0.20-0.35-0.60 80-130-180
SSU304, SUS304L, Finishing EF(SU) AC6020M 0.5-1.5-2.0 0.05-0.15-0.25 120-180-240
Austenitic SUS316, SUS316L, Medium EG/GU/EX AC6030M 1.0-2.5-4.0 0.10-0.25-0.40 100-150-200
SUS303, SUS321 Rough EM AC6040M 1.5-3.5-6.0 0.20-0.35-0.60 80-130-180
Cr/Ni-based


Duplex SUS329J1, Finishing EF(SU) AC6020M 0.5-1.5-2.0 0.05-0.15-0.25 100-145-180
(Austenitic/ SUS329J3L, Medium EG/GU/EX AC6030M 1.0-2.5-4.0 0.10-0.25-0.40 80-120-160
Ferritic) SSU329J4L Rough EM AC6040M 1.5-3.5-6.0 0.20-0.35-0.60 70-100-140
Deposition SUS630, Finishing EF(SU) AC6020M 0.5-1.5-2.0 0.05-0.15-0.25 90-115-140
Hardened SUS631, Medium EG/GU/EX AC6030M 1.0-2.5-4.0 0.10-0.25-0.40 70- 90-130
Structures SUS632J1 Rough EM AC6040M 1.5-3.5-6.0 0.20-0.35-0.60 50- 80-120

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