bar peeling Bar Peeling Code Key | Torneado de Barra | Torneamento de Barra
C Bar Peeling is the machining process by which a raw forged blank is converted into a polished bar. C
During this peeling process, surface cracks and oxide layers are removed giving a perfect roundness with
L N G F 20 10 35 - MP
good surface and dimensional accuracy to the bar.
1 2 3 4 5 6 7 8
turning


turning
The range of materials that can be machined with these tools is vast and goes from all kind of Steels to Cast
Iron parts.
bar peeling 1 - Insert Shape 2 - Clearance Angle
Insert selection


Insert selection
N
The size of blank bar can go from 4 mm 0º


(157 inch) to over 400 mm (15.75 inch) in
I J L R S 5 - Length of Cutting Edge (ln)
diameter. 60º 75º / 80º 85º / 90º
Overview


Overview
The length of the secondary cutting
edge is indicated in mm

13 mm 25 mm
The surface quality and dimensional T U W X
Negative inserts


Negative inserts
14 mm 27 mm
tolerances are also high, which leads to less
15 mm 28 mm
machining at later stages. 3 - Tolerances 4 - Insert type
17 mm 38 mm


symbol
m
Type Type of hole Chipbreaker Shape
Positive inserts


Positive inserts
m 20 mm 44 mm

with Without 22 mm 50 mm


d
d
S W hole chipbreaker
Round hole /
one countersink
Our aim is at the same time improving your productivity (by removing maximal chips volume) and at the same time attending or surpassing your surface (40º~60º)
with Chipbreaker 6 - Thickness (S)


symbol
T hole on one side
PCD inserts


PCD inserts
quality requirements. This is why our Bar Peeling program is vast comprising both standard tools and also special custom-made solutions to every m (mm) d (mm) s (mm)
The length of the secondary cutting
customer needs. Q
with Without
edge is indicated in mm
A ±0.005 ±0.025 ±0.025 hole Round hole / chipbreaker
double
This flyer has only a small portion of our possible range of production. Please don’t hesitate to contact us regarding other possible geometries that we countersink
F ±0.005 ±0.013 ±0.025 with (40º~60º) Chipbreaker 08 = 8,00 mm
U
Heavy machining


Heavy machining
may have although not presented in this brochure. hole on both sides
C ±0.013 ±0.025 ±0.025
09 = 9,52 mm
with Without
H ±0.013 ±0.013 ±0.025 B hole chipbreaker
10 = 10,00 mm
E ±0.025 ±0.025 ±0.025
with Chipbreaker
H hole Round hole / on one side 12 = 12,00 mm
External Toolholders


External Toolholders
G ±0.025 ±0.025 ±0.13
double
countersink
J ±0.005 ±0.05~±0.13 ±0.025 with (70º~90º) Without 12 = 12,70 mm
C hole chipbreaker
K* ±0.013 ±0.05~±0.13 ±0.025
13 = 13,00 mm
with Chipbreaker
L* ±0.025 ±0.05~±0.13 ±0.025 J hole on both sides
14 = 14,00 mm
M* ±0.08~±0.20 ±0.05~±0.13 ±0.13
Internal Toolholders


Internal Toolholders
with Without
A hole chipbreaker 18 = 18,00 mm
N* ±0.08~±0.20 ±0.05~±0.13 ±0.025
U* ±0.13~±0.38 ±0.08~0.25 ±0.13 with Chipbreaker
M hole
Round hole
on one side
7 - Deph of Cut (ap)
* As a rule, the sides of these inserts are as sintered.
Tolerance differs with insert size, for the accuracy of Class M, with Chipbreaker
G hole on both sides
refer to the table on the right. Maximum depth of cut
Automatic Lathes


Automatic Lathes
without Without
N hole
--
chipbreaker
8 - Chip Breaker 20 = 2,00 mm
without Chipbreaker 25 = 2,50 mm
Chip breaker according to Palbit geometries R hole
--
on one side
35 = 3,50 mm
FP MH F
without
--
Chipbreaker
hole on both sides
Spare Parts


Spare Parts
ST RP 40 = 4,00 mm
X - - -- On request
MP LH 80 = 8,00 mm
Technical Data


Technical Data
C - 432 C- 433