Каталог Sumitomo пластины с кубическим нитридом бора Sumiboron - страница 27

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Edge Specification of SUMIBORON Inserts

■ Edge Preparation Performance

Machining of Hardened Steel Sintered Alloy Machining

LEEmphasis on dimensionalLFSintered
tolerance/surface roughnessBurr Control Emphasis
TypeTypeAlloy
R HoningNo R Honing
LTLE
TypeType
Breakage control at

No R Honing high speeds/high feed rates R Honing

LS LS Type Type R Honing R Honing ES

Type

Emphasis on dimensionalR HoningStandard
tolerance/burr controlSurface Roughness Emphasis
Standard
No R Honing
Burr control duringR Honing
interrupted cuttingHSTypeHS
HTTypeType
Breakage control duringR Honing
Breakage Control EmphasisR Honing
interrupted cutting

Interruption Frequent Interruption Frequent

Coated SUMIBORON Cutting Force Comparison（v =100mm/min） Cutting Force Comparison (Feed Rate: f = 0.05mm/rev)

c Work Material: SCM415Work Material: SMF4040
110Cutting Conditions:60Cutting Conditions:
BNC2020BN7000
v =100m/minBN7500 v =200m/min
100cc
90f =0.1mm/rev50f =0.05mm/rev
BNC2020 BNC2020 a =0.1mma =0.2mm
80pp
70Dry40Dry
60
BNC2010 BNC2020 BNC300 Insert:30Insert:

50 DNGA150408 CNGA120408 40 20

30 20 10 10 Feed ForceFeed Force Feed ForceFeed Force 0 0

LE LT LS ES Standard HS LF LE LS Standard HS HS

  • ）（ ）（ ）（ ）（ ）（ ） Back ForceBack Force
  • ） ） ）（ ）（ ）（ ） Back ForceBack Force
Without negativeT00515S00515S00535S01225S02735Sharp Edge Without negativeS00715T01215S00525S01225
land With honingPrincipal ForceNo Honingland With honingPrincipal Force
Relationship between Edge Preparation and Machined Surface Quality
Coated SUMIBORON Cutting Force Comparison（=200mm/min）
cWork Material: SCM415
110Cutting Conditions:Insert: 3NU-TNGA 160408 (BN7500)
100v =200m/minEdge Specification: LF Type, Standard, HS Type
BNC2020c
90f =0.1mm/revWork Material: SMF4040 90HRB
80a =0.1mmCutting Conditions: v =100, 200, 300m/min

BNC2020 BNC2020 p c

Dry f=0.1mm/rev 70 a =0.2mm 60 p

Insert: Wet 50 BNC2010 BNC2020 BNC300 DNGA150408 40 30

20Surface RoughnessGoodL
10
Feed ForceFeed Force
0BurrSmall

LE LT LS ES Standard HS

（Back ForceBack Force ） ）（ ）（ ）（ ）（ （）
Without negativeS02735 S01225 S00535 S00515 T00515
land With honingPrincipal Force
LF
Uncoated SUMIBORON Cutting Force Comparison
Work Material: SUJ2
200Cutting Conditions:
BN2000v =200m/min
180c
f =0.1mm/rev
160
a =0.2mm

140 p Standard

Dry 120 100 Insert: 80 CNGA120408

60 40 HS Feed ForceFeed Force

LT Standard HS

  • ） ） ） Back ForceBack Force v =100m/min v =200m/min v =300m/min

T01215 S01225 S01235 c c c

Principal Force