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External Mini Holders
In 1984, Sumitomo Electric Hardmetal
first released the Mini Tool Holder series
for the machining of small components in
small NC autolathes.
A full range of insert grades comprising
of the Cermet T1500A, SUMIBORON
BN2000, SUMIDIA DA1000 and especially
AC530U, was also introduced to meet a
variety of machining requirements.
Grade Selection External Holders
for pos. Inserts
Application Range Work Material
Category High Precision Finish-Light Cut Medium Cut General
Steel
Stainless
Steel
Cast Iron
Heat Resistant
Steel
Hardenend
Steel
Non-Ferrous
Metal
Coated Carbide AC510U
(PVD) AC520U
AC530U
Cermet/Coated Cermet
T1000A
Carbide T1500A / T1500Z
H1
EH510
CBN (SUMIBORON) BN1000 / BN2000
SUMIDIA
DA1000
DA2200
Preferred Choice Suitable
Recommended Cutting Conditions M Stainless Steel H Hardened Steel N Aluminium N Brass
Work Material P Free Cutting Steel P Carbon Steel
Grade vc (m/min) f (mm/rev) vc (m/min) f (mm/rev) vc (m/min) f (mm/rev) vc (m/min) f (mm/rev) vc (m/min) f (mm/rev) vc (m/min) f (mm/rev)
AC510U
AC520U 50 - 200 0,02 - 0,15 50 - 200 0,02 - 0,10 *50 - 200 *0,02 - 0,10 70 - 300 0,05 - 0,20
AC530U
T1000A 50 - 200 0,02 - 0,15 50 - 200 0,02 - 0,10 *50 - 200 *0,02 - 0,10 70 - 300 0,05 - 0,20
T1500A
T1500Z 50 - 200 0,02 - 0,15 50 - 200 0,02 - 0,10 *50 - 200 *0,02 - 0,10 70 - 300 0,05 - 0,20
BN1000
BN2000 50 - 200 0,02 - 0,15 50 - 200 0,02 - 0,10 *50 - 150 *0,02 - 0,10 70 - 300 0,05 - 0,20 70 - 300 0,05 - 0,20
DA1000
DA2200 50 - 200 0,02 - 0,15 50 - 200 0,02 - 0,10 *50 - 150 *0,02 - 0,10 70 - 300 0,05 - 0,20 70 - 300 0,05 - 0,20
50 - 200 0,02 - 0,15 50 - 200 0,02 - 0,10 *50 - 150 *0,02 - 0,10 70 - 300 0,05 - 0,20 70 - 300 0,05 - 0,20
50 - 200 0,02 - 0,10
50 - 120 0,02 - 0,10
70 - 300 0,02 - 0,10 70 - 300 0,02 - 0,10
70 - 300 0,02 - 0,10 70 - 300 0,02 - 0,10
* Please use maximal possible C/speed
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