CBN - SUMIBORON One-Use Wiper Inserts WG / WH
■ Features ● CBN - SUMIBORON single-use insert with wiper edge for hardened steel machining. ● Excellent surface roughness comparable to grinding. ● Improved machining efficiency with higher speeds and feeds. ● Lineup of standard feed: WG and high feed: WH.
L
Application Range
Surface Finish
Work Material: SCM415H (60HRC) Tool Cat. No.: CNGA120408 Cutting Conditions: vc = 443 SFM, ap = .004”, Dry The wiper insert offers good surface nish and improved machining ef ciency.
10.0
8.0
WH type
6.0
Corner Radius RE 0.8
WG type WH type D
4.0
2.0
D D
D D
D
WG type
D
0
.004
.006
.008
.010
Feed Rate f (IPR)
Wiper Insert Operation Wiper Insert
0
.002 .004 .008
.012
.016
Feed Rate f (IPR)
Standard Inserts
Use WH type for high-rigidity workpieces and equipment, and WG type for issues of undulation or chatter.
f : Feed Rate
f : Feed Rate
Insert
Insert
Feed Direction
Feed Direction
Rz (Max. height)
Rz (Max. height)
Work Material
Wiper Edge
WG type / WH type Cutting Edge Speci cations
Cutting Edge Speci cation Identi cation Code α
Series
Type
Notation
W Honing
Negative land width Negative land angle S 0 1 2 1 5 Cutting edge speci cation identi cation code Rake Face Negative Land Width W
WG type WH type
WG WH
15° 15°
.005 .005
Yes Yes
S01215 S01215
Wiper
Cutting Edge Shape T: Negative Land
Negative Land Angle α
CBN
S: Negative Land + Honing
Honing
Example: S01215 15°/.005” Negative Land with Honing
Flank
■ Precautions when Using Wiper Inserts
CNGA / CCGA / WNGA
WG Type / WH Type Wiper Insert
· Use a holder with a cutting edge angle of 95°. · Machining program modification required CNGA / CCGA/ WNGA wiper inserts do not comply with the ISO standard. Correct the cutting edge position (tool offset) as explained on the right.
External Turning CNGA / CCGA / WNGA Wiper Insert Cutting Edge Position Offset (WG / WH) Nose Radius Type X-axis direction Z-axis direction
Cutting edge angle 95°
-.0008" -.0008" -.0024" -.0024" -.0004" -.0004" -.0024" -.0024"
WG WH WG WH
.0156"
.0313" / .0469"
Z axis (+)
DNGA / DCGA
WG Type / WH Type Wiper Insert
· Use a holder with a cutting edge angle of 93°. · Machining program modification required DNGA / DCGA wiper inserts
DNGA / DCGA Wiper Insert Cutting Edge Position Offset (WG / WH)
Nose Radius Type X-axis direction Z-axis direction
External Turning
-.0067" -.0004" -.0276" -.0024"
WG WH WG WH
do not comply with the ISO standard. Correct the cutting edge position (tool offset) as explained on the right.
.0156"
Cutting edge angle 93°
-.0020" 0
.0313"
-.0228" -.0020"
Z axis (+)
DNGA Type/DCGW Type
Note: Unlike other contour shapes, the DNGA / DCGA can only exhibit wiper effect for outer and inner diameter machining, and cannot be used for facing.
L27
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