Tube Scarfing

TUBESCARFI
NG
EXTERNAL SCARFING
Our Inserts
The BRISLOY insert’s line allows several solutions for external tube scarfing. We supply items sizes
15-19-25, with negative and positive cutting edge. The new cheapbreaker allows better welding
bead control so achieving a very good chip management.
Radius availability
Items Code
SNMX150608-01
SNMX190712-01
30-40-50-60-70-80- 90-100
SNMX250924-01
50-75-100-120-140-160-180-200 (*)
Items Code
SNMX150705-02
7-9-11-13-15-18-20-22-25-27-30-35-40-45-50-60-70-75-80-90-100
(*)
Radius availability
7-9-11-13-15-18-20-22-25-27-30-35-40-45-50-60-70-75-80-90-100
SNMX190912-02
30-40-50-60-70-80- 90-100
SNMX251224-02
(*)
50-75-100-120-140-160-180-200 (*)
Items Code
Radius availability
SNMX190808-04
10-12-17-20-35-40-50-55-60-70-80-90-100
(*)
* different radius on demand
GEOMETRY
GEOMETRY APPLICATION
The positive insert SNMX has an excellent
performance at high pipe speed and
medium-small diameters with medium-low
thickness.
SNMX
(positive)
The negative insert SNMX has an excellent
performance at low pipe speed and
medium-big diameters with medium-high
thickness.
SNMX
(negative)
1
EXTERNAL SCARFING
Radius
R
di C
Choice
In the following table can be found the correct choice of the insert radius depending on the range
of diameters to be worked. Due to the failure parallelism between the insert’s surface and the tube,
there is not a linear correspondence between them.
Tube diameter
Min
8,5
Max
11
Radius
r
7
11
13,5
9
13,5
23,5
11
16,9
23,2
27,5
30,2
13
15
26,6
28,5
34,5
37,2
18
20
31,1
40,5
22
33,4
35,4
43,4
44,2
25
27
40,5
46,2
30
41,2
50
65
53,6
65
90
35
40
45
90
120
50
120
150
150
180
75
100
Our Tools
BRISLOY design and supply Tools Holders for External Scarfing Inserts with a screw, stirrup and hard
metal support plate fffixfing system. Every finsert has fits own fffixfing system as showed fin the schedule
below.
Standard tool holder
Tool dimens.
Insert
Size
Spare parts
Tool’s code
size
DMPN /N/R/L
202015-90
DMPN /N/R/L
202015-75
DMPN /N/R/L
252515-90
DMPN /N/R/L
252515-75
DMPN /N/R/L
BXH
L
20
125
SNMX 150608 01
SNMX 150705 02
25
150
252519-90
25
150
SNMX 190712-01
SNMX 190912 02
DMP /N/R/L
323219-75
32
170
SNMX190808-04
DMPN /N/R/L
323225-75
32
170
SNMX 250924 01
SNMX 251224 02
2
15
PL113
V03
PL114
19
V04
PL115
25
PL116
PSX-315.10
PSX-315.11
PSX-315.10
PSX-319.10
PSX-319.11
CH 3
CH 4
PSX-319-03
V05
PSX-355.11
CH 5
EXTERNAL SCARFING
Special Shapes
BRISLOY supplies special solution designed to satisfy particular customer needs.Every tool is
supplied with its own fixing system. In the following drawing and table you will find the main
dimension to be specified in case of order.
Table of dimensions
Shank width
B
Shank height
H
Shank lenght
L
Dimensions of insert
15 – 19 – 25
Degree top rake
β°
Inclination of head
α°
Direction
R–N–L
3
INTERNAL SCARFI NG
Cutting rings
BRISLOY feature the complete line of hard metal ring for internal scarfing.The table below shows
the codes of different insert which are available in version ALU and without ALU. Depending on the
customer’s needs, they can be supplied indifferent degrees, PVD or CVD coated, or without
coating.
Cutting ring type
Working range
Recommended range
SR0 AR4,5
SR0 AR5,5
SR0 AR6,5
SR1 AR7
SR1 AR8
SR1 AR9
SR2 AR10
SR2 AR11
SR2 AR12
SR3 AR14
SR3 AR17
SR4 AR23
SR5 AR25
SR5 AR28
SR6 AR34
SR7 AR39
SR8 AR46
14 - 17
16 – 17
17 - 20
14 - 17
16 - 17
17 - 20
20-22
22-24
24-26
26 - 28
28 - 30
30 - 34
32 - 41
41 - 50
48 - 72
70 - 85
85 - 100
100 - 130
125 - 160
150 - 260
20 – 26
26 - 34
32 - 50
48 - 72
70 - 100
100 - 130
125 - 160
150 - 260
4
D
8
10
13
19
22
30
35
45
50
55
D1
Working radius
4
5
6
6
7
8
9
10
11
12
15
20
22
25
30
35
40
4,5
5,5
6,5
6,8
7,9
9,1
10,2
11,4
12,5
13,7
17,1
22,8
25,3
28,5
34,2
39,5
45,6
INTERNAL SCARFING
Internal Scarfing
fing Tools
BRISLOY supplies inside deburring tools and cutting ring holders, using tungsten carbide for wear
parts (wheels and pins). BRISLOY provides both the assembled and individual parts.
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