XXX T8415
VERSATILE PVD TURNING GRADE
SUCCESS STORIES – T8415
DNMG 150608E-SM:T8415 Dormer Pramet solution:
Segment:
Automotive parts sub-contractor (India)
Component:
Slim intermediate shaft
Material: Coolant:
EN8 / C40 / 1.0511 (Carbon steel, 220 HB) Yes, water soluble oil emulsion (8%) Outer diameter semi-finish turning
Machining data:
f n
a p
v c
Application:
820 (250)
.010 (0.25)
.020 (0.5)
Previous results:
Customer had stable tool life at 160 workpieces per cutting edge with competitor insert, which was satisfactory at the time.
Results with T8415: One cutting edge of the Pramet insert has 120% tool life, but with an even higher feed rate, which boosted productivity to 125%!
WNMG 080408E-SM:T8415 Dormer Pramet solution:
Segment:
Petrochemical industry sub-contractor (Brazil)
Component:
Pump flange
Material: Coolant:
AISI 316 (Forged stainless steel, 210 HB) Yes, water soluble oil emulsion (12%) External turning with interruptions
Machining data:
f n
a p
v c
Application:
180 (55)
.012 (0.3)
.118 (3.0)
Previous results:
Competing inserts had problems keeping tool life at an acceptable level, especially with interrupted cutting that caused the insert to break suddenly.
Results with T8415: Our PVD inserts do not break during interrupted cuts and have 120% overall life than the second best competing insert tested!
TNMG 160404E-FM:T8415 Dormer Pramet solution:
Segment:
Maintenance and repair sub-contractor (Brazil) Repair of press machine shaft with weld-on layer
Component:
Material: Coolant:
CrV weld (55 HRC)
Machining data:
No
v c
f n
a p
Application:
Interrupted cut of weld-on layer with crust on top The competitors CVD grade had quite satisfactory results and a stable tool life ending at 10 minutes.
82 (25)
.006 (0.15)
.157 (4)
Previous results:
Results with T8415: We achieved almost triple the tool life compared to the competition, increasing from 10 to 28 minutes! The customer is thrilled with this result and can’t wait to buy our insert and use it for such demanding jobs.
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v c = cutting speed (ft/min) (m/min), f n = feed per revolution (in/rev) (mm/rev) , a p = axial depth of cut (in) (mm)
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