Page 684 - Manufacturing Engineering and Technology - Kalpakjian, Serope : Schmid, Steven R.

radius
__

FIGURE 24.5
A face-milling cutter with indexable inserts. Source: Courtesy of Ingersoll
Cutting Tool Company.
'

->|
->i
|<- Wiper
|<- Facet width
Small
radius
Feed l-EVQG 'W § ; "
marks
___`__/
Corner radius Corner fiat Wiper
(2) (D) Feed (C)
|<_>| Nose radius

Q

Workpece
Feed

a“Q'@ YA. ~-
‘ *__
-
Cutter
End cutting-edge
ri
Insert
E é
.
*annum
* Side cutting-edge Wofklmece
Y F ‘s angie or corner
angie in face miiis
Feed, mm/tooth Workpiece

(d)
FIGURE 24.6 Schematic illustration of the effect of insert shape on feed marks on a face-
milled surface: (a) small corner radius, (b) corner flat on insert, and (C) Wiper, consisting of a
small radius followed by a large radius, resulting in smoother feed marks. id) Feed marks due
to various insert shapes.