aro electrodes en
DESCRIPTION
electrodesTRANSCRIPT
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Elec
trode
sEl
ectro
des
ARO ELECTRODES: MASTERARO ELECTRODES: MASTERYY OF OF AA TRADETRADE
Present on every continent with the widest range of products in theworld, ARO occupies a leading position in its activity. Its new range of
electrodes is the result of an incomparable know-how acquired over halfa century entirely dedicated to a trade:
resistance welding.
It is not by chance that for many users ARO electrodes have becomethe benchmark. Making the most of the experience it has gained both
on production sites and following thousands of hours' testing in thelaboratory, ARO is now proposing an advanced range with improved
longevity and working quality performances.
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- 2 -
Electrode criteria
THE METAL
The metal used to manufacture the electrodes must have the following characteristics: excellent conductivity in order to oppose the least possible resistance to the current; a good thermal conductivity to ensure rapid heat dissipation; mechanical properties in order to avoid cracking under the effect of impacts.
The metal must have an optimum hardness when hot, which does not mean the maximum hardness that couldbe obtained by work-hardening (1). The metal must be sufficiently hard to avoid it being crushed under the com-pression force, and it must keep this optimum hardness in service so that the electrode is not subjected to sof-tening which would quickly make it unusable.
Amongst the possible metals, the most interesting due to the breadth of its utilization possibilities is chromiumcopper with a slight zirconium content (0.02 to 0.10 % Zr). Thanks to its composition, this alloy has the above-mentioned key qualities. Furthermore, its mechanical properties are further significantly reinforced by its parti-cular elaboration technique which gives it a long-fiber oriented-crystal structure. For example, chromium cop-per's hardness when hot and its resistance to softening are considerably more favorable than those of ordinarycopper zirconium alloys as shown by the graphs reproduced below.
There is, however, one case where the utilization of this metal is not recommended, or is even impossible: wel-ding of copper, etc. For these special applications, ARO proposes electrodes made of electrolytic copper, sin-tered copper tungsten, molybdenum, tungsten, or even graphite. Their utilization conditions are summarized inthe table on page 5.
DESIGN
The electrode's design must meet the following requirements:
appropriate shape for guaranteeing application with optimum weld reliability; optimum heat dissipation.
ARO has paid a great deal of attention to studying the thickness between the electrode's active surface andthe bottom of the cooling channel in order to obtain the best metal-water heat exchange, while ensuring thatthe electrode keeps excellent mechanical properties and the maximum dressing possibilities. Likewise, thedistance between the injection tube (or nozzle) and the bottom of the channel has been carefully determineddue to the importance of this factor in the effectiveness and regularity of cooling. This is why, when an elec-trode is replaced with an electrode of a different model, it is absolutely essential to use the appropriate injec-tion tube.
(1) Excessive work hardening will cause inconsistencies in the metal (by precipitation of one phase at the time of the successive rehea-tings that it is submitted to in service) when, on the contrary, its homogeneity is a key factor for its good mechanical and electrical resis-tance.
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- 3 -
USING THE ELECTRODES
The electrodes inevitably become worn due to the contactwith the metal to be welded, under the effect of pressureand heat. The fact that they are wear parts does not meanthat it is always difficult to limit their consumption. Indeed,between very good and very poor utilization conditions,wear can vary by a factor of 1 to 100! It is thereforeobvious why it is so important to use these parts in a ratio-nal way, which is ensured by an appropriate adjustment ofthe welding guns or machines, a power and force ratingsuited to the nature and thickness of the sheets to be wel-ded, an adequate water supply and, insofar as possible, agood surface condition for the parts. By becoming encrus-ted in the active face, scaling or rust cause it to deterioratevery quickly.
If, after having checked these various points, abnormalwear is nevertheless observed, consult the ARO Servicedepartment. Likewise, if the mechanical resistance of theweld spots is not as good as expected, check that the dia-meter (D) of the active faces is suited to the thickness (e),using the following relationship:D = 2e + 3 mm. If the parts to be welded are of the samethickness, the active diameters of the two electrodes willtherefore be the same. But, if wetake the example of a 1 mmsheet to be welded to a 4 mmsheet, the respective diametersshould be in the region of 5 and11 mm. This is necessary toensure that the weld nugget isspread evenly on each side ofthe interface (Fig. 7).
Basic
The "diameter" parameter has undeniable consequenceson the mechanical strength of the assembly. This parame-ter must therefore never be neglected. Likewise, the angleof the tip must be kept close to its original value, which isto say for most electrodes, a = 90 to 120 (Fig. 8).
As a general rule, the end of the tube must be situated at a distance of 1 to 5 mm from the bottom of the channel.Indeed, if this distance is too great, a pool of stagnant water forms at the bottom and is rapidly transformed intovapour preventing any cooling (Fig. 3).
In order to cope with the particular requirements dictated by the configura-tion or to enable access to the parts to be welded, ARO has designed spe-cial electrode shapes. There are a large number of variants one of which,intended for welding tubes, is illustrated in figure 4.
Furthermore, given the many advantages of ARO's swivel electrodes, wemust emphasize their special characteristics. These electrodes, the goal ofwhich is to leave practically no imprint (on the thin metal sheets), meet threekey requirements : very compact shape, extremely easy to orient, highly effi-cient cooling and sealing. (Fig. 5 and 6: Cross-section of a swivel electrodeand view of the orientation possibilities in every plane)
Fig. 3
Fig. 4
Fig. 5
Fig. 6
de base
e2e1
D2
D1
Fig. 7
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- 4 -
Electrode criteria
Although the application of the above-mentioned relationship leads to electrodes with awide basic diameter being used, these electrodes are not however oversized. On thecontrary, their thermal cycle (temperature variation in service) is more favorable and,when welding galvanized sheets for example, their longevity without any reworking willbe all the better. Furthermore, a large electrode cross-section is a determining factor forimproving the machine's secondary efficiency by reducing the current density (A/mm?)passing through the electrodes and, consequently, their ohmic resistance.
WELDABILITY TABLE
NickelNickelalloyalloy
NickelNickelPhosphorPhosphor
bronzebronzeSilicaSilica
bronzebronzeNickelNickelsilversilver
YYellowellowbrassbrass
24-40% Zn24-40% Zn
RedRedbrassbrass
10-25% ZN10-25% ZNCopperCopper
AluminumAluminumandand
itits alloyss alloys
SSttainlessainlesssteelsteel
MILD STEELMILD STEEL
OtherOthercoatingscoatings
Zinc galZinc gal--vanizedvanized
ScaledScaled PickledPickled
MMIILLDD
SSTTEEEELL
PickledPickledC 3
3 h
C 3
3 h
C 3
3 h
C 3
3 h
C 3
3 h
C 3
3 fh
D 3
3 fh
D 5
3 fh
C 1
3 fh
B 4
3 e
C 3
3 cd
B 3
3 cd
C 3
3 b
A 3
3 a
ScaledScaled / /D 3
3 bh
D 3
3 bh
D 3
3 bh/ / /
D 1
3 bfh
D 4
3 b
D 3
3 bcd
D 3
3 bcd
C 3
3 b
ZincZincgalvanizedgalvanized
C 3
3 cdh
C 3
3 cd
C 3
3 cd
C 3
3 cd
C 3
3 cd
C 3
3 cdf
D 3
3
D 5
3
D 1
3
B 4
3 cd
C 3
3 cd
B 3
3 cd
OtherOthercoatingscoatings
D 3
3 cdh
D 3
3 cd
D 3
3
D 3
3
D 3
3
D 3
3
D 3
3
D 5
3
D 1
3
D 4
3
C 3
3 cd
SSttainless steelainless steelC 3
4
C 3
4
C 3
4
C 3
4
C 3
4
D 3
4
D 3
4
D 5
4
D 1
4
A 4
4 e
AluminumAluminumand itand its alloyss alloys
D 3
1
D 3
1
C 3
1 eg
C 3
1 eg/
C 3
1 eg
D 3
1
D 5
1
B 1
1 eg
CopperCopperD 3
5
D 3
5
C 3
5 egh
C 3
5 egh
C 3
5 egh
C 3
5 egh
D 3
5
D 5
5 egh
Red brassRed brass10-25% ZN10-25% ZN
D 3
3
D 3
3
D 3
3
D 3
3
D 3
3
D 3
3
C 3
3
YYellow brassellow brass24-40% Zn24-40% Zn
C 3
3 eg
C 3
3 eg
C 3
3 eg
C 3
3 eg
C 3
3 eg
B 3
3 eg
Nickel silverNickel silverB 3
3
B 3
3
C 3
3
C 3
3
B 3
3
Silica bronzeSilica bronzeC 3
3
C 3
3
C 3
3
B 3
3
Phosphor bronzePhosphor bronzeC 3
3
C 3
3
B 3
3
NickelNickelB 3
3
B 3
3
Nickel alloyNickel alloyB 3
3
Fig. 8
WWeldingelding ElectrodesElectrodes
A. Excellent 1. Copper (soudalox 100)B. Good 3. CRM16 (soudalox 200)C. Difficult 4. CB4 (soudalox 300)D. Unsatisfactory 5. Molybdenum
Special indicationsSpecial indications
a) Can be used in a very wide quality and size range.b) Inconsistent low-quality welding, sanding or pickling
recommended.c) The thickness of the coating must be uniform.d) The electrodes must be kept clean to avoid
sticking.e) High currents and short times to avoid sticking.f) Small thicknesses can be welded under special
conditions.g) The welding parameters must be carefully checked.h) Low welding resistance.
Weldingpossibility
Electrodeagainst
Electrodeagainst
Specialindications
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- 5 -
Electrode criteria
NATURE OF THE ELECTRODES' ACTIVE FACE
The table below indicates the nature of the electrodes to be used according to the metallurgical type of the parts tobe welded, their shape, and the type of assembly to be made.
Nature of the work to be performed Nature of the electrode to be used
Welding
of mild steels (whether pickled or not),not coated (galvanized, zinc-plated, alu-minized, chrome-plated, nickel-plated,tin-plated, etc.) of stainless steels of heat-resisting steels
of brasses of bronzes of nickel and its alloys of different types of metals
(steel/brass, stainlesssteel/mild steel, stainlesssteel/galvanized steel)
copper-chrome-zirconium alloy
Welding of aluminum of aluminized steel electrolytic copper
Welding of pure copper of lightly alloyed copper molybdenum
Welding copper/brass molybdenum on copper side and
Cu-Cr-Zr electrode on brass side
Welding of copper wires of tantalum of silicon steel tungsten
Welding of electrical contacts by projection
sintered copper tungsten(Cutene)
Electro-brazingor heating
of parts made of miscellaneous metals graphite
Hot rivetingCunitene (possibly Cutene)
The various parts making up the electrode: (electrode tips and electrode bodies) and the electrode holders presentedin this catalogue comply with the CNOMO recommendations and are conform to the ISO specifications.
In certain cases, the utilization of these electrode tips requires the replacement of the existing electrode bodies orelectrode holders, with new models.
We remain at your disposal for any further information and to propose the most appropriate solution if you give us theprecise references or dimensions of the equipment used on your machine.
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Electrode characteristics
In a resistance welding machine, the electrodes are the components that are submitted to the most severeservice conditions, since they must simultaneously support all of the force and all of the current.
One of the key factors for success lies in the choice of its characteristics,that is to say:
Material Profile and dimension Cooling
Material
To make the electrodes, we use alloys that maintain a high degree hardness at the welding temperaturesand a conductivity close to that of copper.
The table below indicates these alloys' characteristics and applications.
METAL ELECT. COPPERSOUDALOX 100CRM16
SOUDALOX 200CB4
SOUDALOX 300
Brinell hardness 100 to 120 130 to 160 170 to 220
Electricalconductivity
Copper I.A.C.S. %83 to 93 75 to 85 45 to 52
Annealingtemperature C
350 500 500
Breaking load
kg/mm245 52 70
Applicationsaluminum and
light alloysmild and
semi-soft steel
stainless steelshard steels
heat-resistant steelsself-hardening steels
Marking on the tip ofsoudalox electrodes XXXXXXXXXX
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A B M E L R P CRM16SOUDALOX 200
116 9.5 12 6 20 4 P911 310 600 * (T0 611 001)
20 11.5 15 8 22 5 P911 321 600 (T0 611 002)
216 9.5 12 20 P911 310 400 * (T0 611 003)
20 11.5 15 22 P911 321 400 (T0 611 004)
316 9.5 12 20 P911 310 000 (T0 611 005)
20 11.5 15 22 P911 321 000 (T0 611 006)
416 9.5 12 20 40 P911 310 101 (T0 611 007)
20 11.5 15 22 50 P911 321 100 (T0 611 008)
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Tips of femaledetachable electrodes
* Can be delivered within 24 hours in an emergency.
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- 8 -
10% tapered electrodes
ARO N1 8.9N2 11.8N3 17.8N4 24.5
ISO12.7 -15.519
STRAIGHTSTRAIGHT, FLA, FLATT
d1 c L j b p Electrolytic Cusoudalox 100CRM16
soudalox 200CB4
soudalox 3008.9 10 25 14 6.5 17 WL145100 WL145107
" 10 35 14 6.5 27 WL145135
11.8 14 34 12 7.5 24 WL245134 WL245203
" 14 55 12 7.5 20 WL245156
" 12 30 19 7.5 17 WL245530 *
" 14 33 25 7.5 25 WL245733 *
12.7 16 32 13 8 T0611009
" " 40 " " T0611010
" " 50 " " T0611011
" " 63 " " T0611012
15.5 20 40 16 10 T0611014 T0611013 T0611015
" " 50 " T0611016
" " 63 " T0611018 T0611017 T0611019
" " 80 " T0611020
" " 44 25 36 T0611084
17.8 20 45 19 10.5 27 WL370101 WL345146 * WL345147
" 20 65 19 10.5 48 WL345165 WL345118
" 20 45 25 10.5 35 WL345645
" 20 72 30 10.5 27 WL345372
" 20 62 35 10.5 42 WL346562
" 20 53 40 10.5 27 WL345553
" 20 72 50 10.5 53 WL345972
19 25 50 20 13 T0611022 T0611021 T0611023
" " 63 " " T0611024
" " 80 " " T0611026 T0611025 T0611027
" " 55 35 " 45 T0611085
24.5 32 50 25 16 T0611028
" 32 63 25 16 T0611029
" 32 80 25 16 T0611030
" 32 60 25 10.5 41 WL445960
" 32 100 30 10.5 83 WL445601
" 32 64.5 35 10.5 41 WL445000
d1 b j
L
c
p
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- 9 -
ARO N1 8.9N2 11.8N3 17.8N4 24.5
ISO12.7 -15.519
STRAIGHTSTRAIGHT, CENTERED, CENTERED
d1 c L j b p a d2 Electrolytic Cusoudalox 100CRM16
soudalox 200CB4
soudalox 300
8.9 10 25 10 7.5 17 60 5 WL103525 *
10 34 10 7.5 26 90 4 WL103534
10 43 10 7.5 17 90 4 WL103543
11.8 14 34 12 7.5 16 37,30 4 WL203001
" 14 34 12 7.5 24 90 6 WL267300 WL203134 *
" 14 42 12 7.5 24 90 6 WL203142 *
" 14 55 12 7.5 40 90 6 WL203155 *
14 55 12 7.5 90 WL203101
14 71 12 7.5 24 90 4 WL203171
14 84 12 7.5 24 60 6 WL203184 * WL203183
14 84 12 7.5 24 90 4 WL203105
12.7 16 40 13 8 90 T0611208
" 16 63 13 8 90 T0611209
15.5 20 40 16 10 90 T0611032 T0611031 T0611033
" 20 50 16 10 90 T0611034
" 20 63 16 10 90 T0611036 T0611035 T0611037
" 20 80 16 10 90 T0611038
17.8 13 30 19 10.5 20 120 6 WL303130
" 20 45 19 10.5 27 90 6 WL303145 * WL303146
" 20 56 19 10.5 38 90 6 WL367156 WL303156 *
" 20 62 19 10.5 6 WL303162
" 20 92 19 10.5 27 90 6 WL303192
" 20 104 19 10.5 27 90 6 WL303104
19 25 50 20 13 90 T0611040 T0611039 T0611041
" 25 63 20 13 90 T0611042
" 25 80 20 13 90 T0611044 T0611043 T0611045
24.5 32 50 25 16 90 T0611210
" 32 60 25 10.5 41 90 13 WL403960
" 32 100 25 10.5 83 90 13 WL403901 WL403900
d1 b d2 j
L
c
p
a
10% tapered electrodes
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- 10 -
10% tapered electrodes
ARO N1 8.9N2 11.8N3 17.8N4 24.5
ISO12.7 -15.519
STRAIGHTSTRAIGHT, ECCENTRIC, ECCENTRIC
d1 c L j l b p a d2 eElectrolytic
Cusoudalox 100
CRM16soudalox
200
CB4soudalox
300
8.9 10 25 10 6.5 17 90 5 3 WL141525 * 10 34 10 6.5 26 90 4 3 WL141534
" 10 43 10 6.5 17 90 4 3 WL141543
" 10 25 14 6.5 13 90 6.5 4 WL142125
11.8 14 34 12 7.5 24 90 6 3 WL241134 *" 14 42 12 7.5 24 90 6 3 WL241142
" 14 55 12 7.5 40 90 6 3 WL241155 *" 14 71 12 7.5 90 WL241171
" 14 80 12 7.5 65 60 2.5 4 WL241100
" 14 84 12 7.5 24 90 4 3 WL241102
" * 14 34 14 7.5 22 90 5 8 WL24250212.7 16 32 13 8 60 3 T0611061 domed
" 16 40 13 8 60 3 T0611062 "
" 16 50 13 8 60 3 T0611063 "
" 16 63 13 8 60 3 T0611064 "
15.5 20 40 16 10 90 4 T0611047 T0611046 T0611048
" 20 50 16 10 90 4 T0611049
" 20 63 16 10 90 4 T0611051 T0611050 T0611052
" 20 80 16 10 90 4 T0611053
" 20 40 16 10 60 4 T0611066 T0611065 T0611067 domed
" 20 50 16 10 60 4 T0611068 "
" 20 63 16 10 60 4 T0611070 T0611069 T0611071 "
" 20 80 16 10 60 4 T0611072 "
17.8 20 45 19 10.5 27 90 6 4 WL341145 *" 20 56 19 10.5 38 90 6 4 WL368155 WL341156
" 20 92 19 10.5 27 90 6 5 WL341192
" * 20 55 30 21 10.5 40 90 6 11 WL34235519 25 50 20 13 90 5 T0611055 T0611054 T0611056
" 25 63 20 13 90 5 T0611057
" 25 80 20 13 90 5 T0611059 T0611058 T0611060
" 25 50 20 13 60 5 T0611212 T0611073 T0611213 domed
" 25 63 20 13 60 5 T0611069 "
" 25 80 20 13 60 5 T0611076 T0611075 T0611077 "
25 31.5 60 25 10.5 41 90 12 6 WL441960
" 31.5 100 25 10.5 90 12 6 WL441000 WL441900
d1d2
b j
L
c
p
e a
d1
d2
b j
L
c
l
p
e
a
Fig. 1 * Fig. 2
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- 11 -
10% tapered electrodes
d1 d2 b j
L
c
p
a d1
d2 b j
L
c
p
ea
d1d2
b j
L
c
p
ea
d1 b j
L
c
p
DETDETACHABLE ELECTRODEACHABLE ELECTRODE
d1 c L j b p a d2 e centeredstraighteccentricstraight
eccentrictilted flat
tung
sten
8.9 10 25 10 6.5 16 90 4 WL155525
8.9 10 25 14 6.5 14 90 6 3 WL156100
8.9 10 25 14 6.5 14 90 6 3 WL157600
11.8 14 34 16 7.5 14 90 6 WL255334
11.8 14 34 16 7.5 24 90 6 3 WL256334
11.8 14 34 16 7.5 24 90 4 3 WL257334
17.8 20 45 19 10.5 28 90 6 WL355145
17.8 20 45 19 10.5 27 90 6 4 WL356100
17.8 20 43 19 10.5 27 90 6 3 WL357100
mol
ybde
num
8.9 10 25 14 6.5 16 90 4 WL158125
8.9 10 25 12 6.5 16 90 4 3 WL159125
8.9 10 25 14 6.5 16 90 2 3 WL160125
8.9 10 26 14 6.5 16 WL164126
11.8 14 34 16 7.5 24 90 6 WL258334
11.8 14 34 16 7.5 24 90 6 3 WL259334
11.8 14 34 16 7.5 24 90 3 3 WL260334
17.8 20 56 18 10.5 27 90 6 WL358156
17.8 20 58 18 10.5 27 90 6 4 WL359158
17.8 20 58 18 10.5 27 90 4 4 WL360158
17.8 20 52 18 27 WL364152
Cut
ene
8.9 10 42 14 6.5 26 90 6 WL175142
8.9 10 42 14 6.5 26 WL176142
11.8 14 44 16 7.5 24 90 6 WL275344
11.8 14 44 16 7.5 WL276344
17.8 20 55 18 10.5 27 90 6 WL375155
17.8 20 45 18 10.5 31 90 6 5 WL381145
17.8 20 55 18 10.5 27 WL376155
grap
hite
8.9 10 37 12 6.5 26 WL178137
11.8 14 36 14 7.5 24 WL278336
17.8 20 48 16 10.5 27 WL378148
17.8 20 45 24 10.5 27 WL378345
ARO N1 8.9N2 11.8N3 17.8N4 24.5
ISO12.7 -15.519
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- 12 -
10% tapered electrodes
ARO N1 8.9N2 11.8N3 17.8N4 24.5
ISO12.7 -15.519
TILTILTED, ECCENTRICTED, ECCENTRIC
d1 c L j b p a d2 e CRM16soudalox 2008.9 10 25 10 6.5 17 90 2, 5 3 WL105525
" 10 35 10 6.5 26 90 3 3 WL105535
11.8 11 24 12 7.5 17 90 6 3 WL205124
" 14 34 12 7.5 24 90 3 3 WL205134 *
" 14 42 12 7.5 24 90 3 3 WL205142
" 14 55 12 7.5 40 90 3 3 WL205154 *
14 70 12 7.5 24 60 4 3 WL205170
11.8* 14 36 18 7.5 22 3 9.5 WL244436
11.8* 14 56 18 7.5 40 3 9.5 WL244456
17.8 20 45 19 10.5 27 90 4 4 WL305145 *
" 20 55 19 10.5 27 90 3 4 WL305157
" 20 87 19 10.5 73 90 4 4 WL305101
24.5 31.5 60 25 10.5 41 90 10 5 WL305964
d1d2
b j
L
c
p
ea
Fig. 1
* Fig. 2
-
- 13 -
10% tapered electrodes
S-shapedd1 L e a d2
11.8 87 27 90 6 WL210300
15.5 95 28 4 T0611102
17.8 100 27 90 6 WL310104 *19 105 35 5 T0611103
ARO N1 8.9N2 11.8N3 17.8N4 24.5
ISO12.7 -15.519
SPECIALSPECIAL SHAPES ORSHAPES ORVERSIONSVERSIONS
curved and taperedd1 L e d2
17.8 127 30 7.4 WL310103 *
platen on swiveld1 L j8.9 39.3 22 WL108839
41.4 30 WL108243
11.8 43.25 22 WL208939 *" 45.4 30 WL208943 *" 45.8 25 WL208600
12.7 45 30 T0611086
15.5 50 30 T0611087
17.8 51.4 30 WL308363 *19 65 40 T0611088
rectangulard1 h L S1 S2 p
11.8 25 41 20 30 35 WL299941
15.5 20 50 20 50 35 T0611082
17.8 18 40 20 40 25 WL311941
" 20 42 20 90 32 WL311942
" 25 47 25 50 25 WL311948
19 25 60 25 60 40 T0611083
shoulderedd1 L j l a d2 d3
11.8 41 12 16 90 6 8 WL299141
17.8 50 19 19 90 5 10 WL303950 *
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- 14 -
10% tapered electrodes
ARO N1 8.9N2 11.8N3 17.8N4 24.5
ISO12.7 -15.519
SPECIALSPECIAL SHAPES ORSHAPES ORVERSIONSVERSIONS
offset, adjustable
d1 L a d2 e
17.8 62 to 104 90 4 43 WL343900
L-offset
d1 L e d d2 j p
11.8 56 26 35 5 12 10 T0611214
15.5 56 26 35 5 12 10 T0611104
17.8 67 32 40 8 16 12 T0611215
19 67 32 40 8 16 12 T0611105
elbow endd1 L e j
15.5 88 25 16 T0611100
19 93 25 20 T0611101
90 elbow, rough cast surfaced1 L e d2
15.5 45 25 7 T0611106
19 65 30 9 T0611107
tapered
d1 L J d2 sx 100 sx 200 sx 300
11.8 60 12 6 WL216360
12.7 50 13 5 T0611093
15.5 64 16 7 T0611095 T0611094 T0611096
19 80 20 9 T0611098 T0611097 T0611099
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- 15 -
ARO N1 8.9N2 11.8N3 17.8N4 24.5
ISO12.7 -15.519
SPECIALSPECIAL SHAPES ORSHAPES ORVERSIONSVERSIONS
straight, centered dome (special light alloy)
d1 L j r soudalox 100 CRM1615.5 50 16 100 T0611079
" 63 16 " T0611117
17.8 45 19 50 WL314111
" 45 19 75 WL314101
" 45 19 100 WL314109
" 45 19 150 WL314110
" 56 19 150 WL314108
19 50 20 200 T0611080
snub end
d1 L j e soudalox 20015.5 80 7 25 T0611089
19 90 9 25 T0611090
tube welding
d1 L M N S CRM1617.8 55 50 30 35 WL315955
please consult us for other dimensions
d1 L M N CRM1617.8 50 40 20 WL313950
10% tapered electrodes
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- 16 -
Electrodes for endmounting 19.8
Used on S 2000 and S 3000 welding guns and on N 33 machines.
NUT AND HALF-BUSHING FOR END MOUNTING OF ELECTRODEElectrode reference Half-bushing reference Nut reference
WL 899 903 00 100 384* 100 385
WL 899 901 00 100 384* 100 385
WL 899 902 00 100 384* 100 385
WL 803 201 2 180
WL 819 200 2 180
WL 818 100 002 179 (to be ordered in pairs) 2 180
WL 816 201 2 180
* set of 2
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- 17 -
Electrodes for endmounting - 24.5
Used on S 4000 and S 6000 welding guns and on MA - MC - MD and PA machines.
NUT AND HALF-BUSHING FOR END MOUNTING OF ELECTRODEElectrode reference Half-bushing reference Nut reference
WL 403 501 100 542
WL 425 500 100 542
WL 420 500 100 542
WL 403 500 100 542
WL 439 103 100 604* 100 542
WL 499 901 100 604* 100 542
WL 499 900 100 604* Short 103 834
* set of 2
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- 20 -
Electrodes for MOS machines
Angle shanks
Straight Shanks
25 straight WU 251 322
30 straight WU 321 302
32straight WU 321 300
inclined WU 321 301
40straight WU 401 300
inclined WU 401 301
50straight WU 503 300
inclined
Length 11.8ARO cone No.2 17.8
ARO cone No.3 24.5
ARO cone No.4
Type I 32
130 WU 321 003 WU 321 006
250 WU 322 002 WU 322 005
450 WU 324 002 WU 324 005
intermediate 00 115 515 00 115 509
Type II 40
130 WU 401 005 WU 401 004
250 WU 402 005 WU 402 004
450 WU 404 002 WU 404 001
intermediate 00 115 576 00 115 512
Type III 50
130 WU 501 001
250 WU 502 002 WU 502 001
370 WU 503 001
550 WU 505 000
intermediate 00 200 258 00 115 940
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Two-pin electrodes
Shape
(mm)L
(mm)Ref.
SubassemblyElectrodes
9.1
A 1644 WU 160 300 WL 101 517
154 WU 161 300WL 104 516
B 1644 WU160 206
154 WU 161 203 WL 106 700
Shape
(mm)L
(mm)Ref.
SubassemblyElectrodes
12
A
19
71.5 WU 190 300
WL 201 124111.5 WU 191 301
151.5 WU191 300
246.5 WU 192 300WL 204 124
25231.5 WU 252 301
315.5 WU 253 301
WL 243 324
B 19
71.5 WU 190 200
111.5 WU 191 201
151.5 WU 191 200WL 206 421
246.5 WU 192 200
Shape
(mm)L
(mm)Ref.
SubassemblyElectrodes
18
A
25
155 WU 251 301
WL 341 125255 WU 252 300
355 WU 253 302
30
170 WU 301 300
255 WU 302 300
WL 304 140355 WU 303 300
B 25155 WU 251 200
255 WU 252 200
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Intermediate cones
Interior B
Exterior A 8.9 11.8 12.7 15.5 17.8 19 24.5
ARO cone No.1 ARO cone No.2 ISO ISO ARO cone No.3 ISO ARO cone No.4
Dimensions(mm) L E L E L E L E L E L E L E
11.8ARO cone No.
00 102 050 200 189
17 13
17.8ARO cone No.
00 101 876 00 101 272 201 695 00 201 092 200 870
23 19 26 20 26 19 32 20
19ISO
00 200 762 T0 621 028 202 044
30 46 48 19
24.5ARO cone No.
00 104 621 T0 621 029 00 103 894 00 200 927
42 35.5 45 35
23.82CM3
00 115 515 00 115 511 00 115 510 00 115 509
30 20 30 20 30 20 30 20
31.26CM4
00 115 577 00 115 576 00 115 514 00 115 512
40 30 40 30 40 30
12.7 200 500
15.5200 897 200 324
52 22
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Straight extensions
Cooling tube(to be cut to length
at 45 degrees)
4x6 00 200 850 00 200 850 00 200 851 00 200 851 00 200 851
6x8 00 201 280 00 201 280 00 201 281 00 201 281 00 201 281
L= mm
D1 D2 Cone D3 30 40 50 63 80 100
10
8.9 No.1 1200 201 150 00 201 151 00 201 152 00 201 153 00 201 154
* 00 201 155 00 201 156 00 201 157 00 201 158 00 201 159
11.8 No.2 1200 201 160 00 201 161 00 201 162 00 201 163 00 201 164
* 00 201 165 00 201 166 00 201 167 00 201 168 00 201 169
12
11.8 No.2 1600 201 180 00 201 181 00 201 182 00 201 183 00 201 184
* 00 201 185 00 201 186 00 201 187 00 201 188 00 201 189
12.7 ISO 1600 201 190 00 201 191 00 201 192 00 201 193 00 201 194
* 00 201 195 00 201 196 00 201 197 00 201 198 00 201 199
15.5 ISO 1600 201 200 00 201 201 00 201 202 00 201 203 00 201 204
* T0 601 048 00 201 205 00 201 206 00 201 207 00 201 208 00 201 209
17.8 No.3 2000 200 724 00 201 147 00 201 138 00 201 140 00 201 142
* 00 200 595 00 201 148 00 201 139 00 201 141 00 201 143
15
17.8 No.3 2000 201 220 00 201 221 00 201 222 00 201 223 00 201 224
* 00 201 225 00 201 226 00 201 227 00 201 228 00 201 229
19 ISO 2000 201 230 00 201 231 00 201 232 00 201 233 00 201 234
* 00 201 235 00 201 236 00 201 237 00 201 238 00 201 239
* Blind drilling
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Cambered extensions
D1 Cone D2 Cone D3 E L Ref. ARO
12 ISO
8.9 ARO No.1 13 20 80 /
11.8 ARO No.2 13 20 80 /
12.7 ISO 13 20 80 /
15.5 ISO 16
6 63 T0 601 056
12 63 T0 601 057
18 63 T0 601 058
20 100 00 201 905
17.8 ARO No.3 20 20 100 00 201 325
19 ISO 20 20 100 /
D Cone Reference
15.5 10% 00 201 145
17.8 10% 00 201 146
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Straight and camberedextensions
D1 Cone D2 Cone D3 L1 L2 ref. ARO
11.8 ARO No.2 11.8 ARO No.2 16 45 14 00 201 320
12.7 ISO 12.7 ISO 16 47 16 00 201 321
15.5 ISO 12.7 ISO 16 60 20 00 201 322
17.8 ARO No.3 11.8 ARO No.2 20 70 20 00 201 323
19 ISO 15.5 ISO 20 75 25 00 201 324
17.8 17.8 20 100 20 00 201 792
D1 Cone D2 Cone D3 L1 L2 E ref. ARO
11.8 ARO No.2 11.8 ARO No.2 16 75 14 16 00 201 545
12.7 ISO 12.7 ISO 16 77 16 16 /
15.5 ISO 12.7 ISO 16 90 20 16 /
17.8 ARO No.3 11.8 ARO No.2 20 90 20 20 00 201 296
19 ISO 15.5 ISO 20 90 25 20 /
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Straight extensions
D1 ConeL = mm
40 50 63 80 100
12 ISO
00 201 240 00 201 241 00 201 242 00 201 243 00 201 244
* 00 201 245 00 201 246 00 201 247 00 201 248 00 201 249
15 ISO
00 201 250 00 201 251 00 201 252 00 201 253 00 201 254
* 00 201 255 00 201 256 00 201 257 00 201 258 00 201 259
* blind hole
D1 ConeL = mm
40 50 63 80 100
17.8 No.3 00 201 260 00 201 261 00 201 262 00 201 263 00 201 264
15.5 ISO 00 201 265 00 201 266 00 201 267 00 201 268 00 201 269
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Electrode-holder subassemblyMorse taper attachment
Centered modelRef. WG 900 273
Left-hand modelRef. WG 900 275
Right-hand modelRef. WG 900 274
to be cut to lenght
to be cut to lenght
to be cut to lenght
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Electrode-holder subassemblyClamp attachment
Center clamp modelRef. WG 900 276
Right-hand clamp modelRef. WG 900 277
Left-hand clamp modelRef. WG 900 278
to be cut to lenght
to be cut to lenght
to be cut to lenght
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Electrode holder
These electrode holders are made of two parts : a chromium copper body which is attached to the arm of the welding
machine, a cadmium-plated steel cap that
clamps the electrode, clamping isensured by 10 hex head socketscrews or 12 hex head socketscrews.
These electrode holders should preferablybe attached with 16 mm studs and anormal nut and a steel washer externaldiameter 45 mm, thickness 5 mm.
For flat-arm models for upright or tilted electrode bodies *
k w b g t f Model Code
25 140 50 60103 50 straight T0636012
98 50 tilted T0636013
30 200 60 75 154 50 straight
31.5 150 60 75 10450 straight T0636014
58 tilted T0636015
31.5 200 60 75 154 50 straight T0636016
40 200 60 85 154 50 straight T0636017
This electrode holder is more especially designed for machines giving aclamping force of 2 to 4 tonnes. Cap clam-ping is obtained using 4 10 hex headsocket screws.
This electrode holder should preferably beattached with two 24 mm studs and anormal nut and a washer external 60 mm, thickness 6 mm.
w t Code
270 193 T0636011
* The non-functional dimensions are rough cast
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Electrode holder
These electrode holders are made of two parts: a chromium copper body which is attached to
the arm of the welding machine, a cadmium-plated steel cap that clamps the
electrode shank, clamping is ensured by 10hex head socket screws.
For flat-arm models for horizontal electrodes *
k w b g t h Code25 174 50 60 104 40 T0636022
30 185 60 75 104 45
31.5 185 60 75 104 45 T0636026
These electrode holders are made of two parts: a chromium copper body which is attached to the
arm of the welding machine, a cadmium-plated steel cap that clamps the elec-
trode shank, clamping is ensured by 10 hexhead socket screws.
Maximum force applicable to these electrode holders fit-ted with electrodes T0636018-019:for the T0636025 model: 3250 Nfor the T0636027 model: 5000 N
For round arms
k b g h j a Code25 50 60 33 31.5 19 T0636025
30 60 75 35 30 25
30 60 75 35 25 25
31.5 60 75 35 31.5 25 T0636027
* The non-functional dimensions are rough cast
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- 32 -
Electrode holder
The electrode holder A should preferably be atta-ched with 2 studs 16 mm and 2 normal nuts alongwith 2 steel washers external 45 mm, thickness5 mm.
Models with intermediate part A *
Model Codestraight T0636028
inclined at 15 T0636029
Delivered with 1 straight fitting + 1 elbow fitting and2 installed plugs.Electrode holder B must be attached with 4 screws 12 mm on press platens.
Models with intermediate part B *
Model Codestraight T0636030
The intermediate part C is installed in electrode hol-der A and B.
Models with intermediate part C
* The non-functional dimensions are rough cast.
a c h Model Code
15.5 20
30 short T0621031
68 long T0621032
120 long T0621033
19 2530 short T0621034
73 long T0621035
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- 33 -
Maximum force applicable to the electrode tip: straight model: 1200 daN inclined model: 800 daN
For flat-arm simple models for built-in electrode tips *
a c j h Model Code
15.5 20 2542 straight T0636079
40 inclined T0636080
17.8 25 30 60 straight T0636089
19 25 3060 straight T0636081
55 inclined T0636082
Maximum force applicable to the electrode tip:for model T0636033 : 3250 Nfor model T0636084 : 3250 Nfor model T0636034 : 5000 Nfor model T0636085 : 5000 N
For round-arm simple offset models for built-in electrode tips *
a c j k h g Model Code
15.5 20 25 31.548
28straight T0636033
45 inclined T0636084
17.8 20 25 2548
28straight /
45 inclined /
17.8 20 25 3048
28straight 00352267
45 inclined /
19 25 30 4062
30straight T0636034
55 inclined T0636085
* The non-functional dimensions are rough cast.
Electrode holder
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- 34 -
Electrode holdersMOS - MB PB
Electrode (cone) h (mm) reference
Centered electrode holder
No. 2 82 WH 900 106
No. 3 87 WH 900 107
No. 4 87 WH 900 111
Same with extension
No. 2 200 WH 900 114
No. 3 200 WH 900 115
No. 4 200 WH 900 116
with clamp for 20 extension 00 359 229
Machines
Connection and attachmentkit (for 1 electrode holder)
MOS H0 159 692
MB HMF07 020
PB H0 359 378
Electrode holderswith/without platenwith clamp4 holes 12.5
-
- 35 -
Horizontal-electrodesimple models
These electrodes can be installed in T0636022 or T0636025 type electrode holders.
Model Code
Straight T0636018
Tilted T0636019
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- 36 -
Used for quick removal of standard electrodes and end fittings up to 20 mm, andelectrodes from 10 to 22 mm, in complete safety for the user, while protecting theelectrode's cone and the extension.
Electrode removal wrench
Model Codestrengthened 64 400 200
light 64 400 201
Reamers for electrode holder mounts
Cone CodeNo. 1 - 9.1 mm 280 87 508No. 2 - 12 mm 280 87 900No. 3 - 18 mm 280 86 642No. 4 - 25 mm 280 88 002
Metal sheet protection aerosol KT-66/77-II
Thanks to its anti-adhesive properties, this 2-in-1 productensures the protection of metal sheets, nozzles and MIGcontact tubes.It creates a greasy film that protects against the nicks causedby incandescent and carbon particles.Non-flammable product.Can be used for tools and resistance welding guns.
Reference 93 390 011
Jar of contact grease, 1 kg74 940 201
Accessories
-
- 37 -
Accessories
Description
NB Aerosol (boron nitride) is a colloidal suspension of micronizedboron nitride which, when sprayed on to the tools, leaves a highlyadhesive protective white film after a few seconds' drying.
Applications
Protection of robot welding parts and of ancillary equipment liable to receive weldsparks. Over time they form a highly adhesive deposit which can only be removedmechanically.NB Aerosol eliminates this problem.
Advantages
Absence of deposits on the equipment, the projections of molten metal no longerstick to the exposed surfaces.Removes the need to perform the welding gun cleaning operations, hence a timesaving when carrying out maintenance operations.Excellent resistance of the boron nitride film at high temperature.
Packaging
Aerosol 400 ml.Non-flammable propellant, no effect on the ozone layer.
Reference 93 390 025
Aerosol for protecting tools against weld projections
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- 38 -
Direct attachment elastomer heads TEBL - 500 and 1000TECL - 500 and 1000
TEBL: elastomer head with 20 clamp, for extension and caps TECL: elastomer head with No.3 17.8 cone, for direct electrode attachment
The flexibility of the elastomer head makes it possible to compensate for the differences oflevels and spread the forces evenly over the metal sheets.Direct mounting on a welding machine by means of a pad. The center distance between the2 heads is at least 31 mm.
- double guide on wear bushings,- silver-plated shunt,- rapidly interchangeable spare parts,- cooled electrode holder.
Narrow attachment elastomer heads TEBE - 500 and 1000TECE - 500 and 1000
TEBE: narrow elastomer head with 20 clamp, for extension andcaps
TECE: narrow elastomer head with No. 3 17.8 cone, for directelectrode attachment
The finesse of the elastomer heads makes it possible to place several heads sideby side. The minimum center distance is 31 mm. These heads are attached to theslotted platen by means of an attachment plate that is generally water-cooled.The flexibility of the elastomer heads makes it possible to com-pensate for the differences of levels and spread the forcesevenly over the metal sheets.
- double guide on wear bushings,- silver-plated shunt,- rapidly interchangeable spare parts,- swivel clamp positioning,- cooled electrode holder.
Elastomer heads
-
- 39 -
Electrode holderPESS-E - PESS-V
Clinker-blower electrode holder
PESS-E : Clinker-blower electrode holder for nuts PESS-V : Clinker-blower electrode holder for screws
Depending on the type of parts to be welded (nuts or screws), this water-cooled assemblymakes it possible to center them with respect to the drilling in the sheet, thanks to the guidedevice. Its clinker-blower system, which functions during the welding cycle, reduces thearcing phenomena and lengthens the electrodes' service life. The assembly is installeddirectly on the platen of a welding machine by means of a mounting pad.
Depending on the electrodes and pilots, possibility of welding:- M3 - M4 - M5 - M6 - M8 - M10 nuts,- M5 - M6 - M8- M10 screws.
Delivered with one electrode and one pilot depending onthe type of parts to be welded.
General view of the PESS-E
Example of nut welding
-
- 40 -
CESS shank for welding nuts with clinker-blower
The guide device makes it possible to center the nuts with respect to the dril-ling in the sheet.The clinker-blower system, which functions during the welding cycle, reducesthe arcing phenomena and lengthens the electrodes' service life.This assembly is used on a spot welding machine.
- shank 25, 30 and 40, length 275 mm or 180 mm,- air supply for blowing off the clinker,- water box and cooling injector,- interchangeable electrode and pilot,- possibility of checking the nut direction with the DPS (Nut Presence/Direction Detector)box.
CVSS shank for welding screws with clinker-blower
The guide device makes it possible to center the screw.The clinker-blower system, which functions during the welding cycle, reduces the arcingphenomena and lengthens the electrodes' service life.This assembly is used on a spot welding machine.
- shank 25, 30 and 40, length 275 mm or 180 mm,- air supply for blowing off the clinker,- water box and cooling injector,- interchangeable electrode and pilot,- possibility of checking the presence and length of the screw with the DPS
(Nut Presence/Direction Detector) box.
Connecting rods
-
- 41 -
Pneumatic hand grinder
AICHI SANGYO grinder
TDETD18A : electrode diameter 9 to 18 mm TDETD25A : electrode diameter 19 to 25 mm
- Operation possible with one hand.- Simple, patented electrode plating system.- Modular milling grinder, quick and easy positioning.
-
- 42 -
Mechanical dynamometer
Ref. 70 800 003 from 0 to 1000 daN Ref. 70 800 004 from 0 to 2000 daN
The 334 series universal mechanical dynamometers have been designedfor the static measurement of forces.
The compression forces applied to the bearing points cause a deformationof the keyway. This results in a movement of the built-in measurement rod,which is transmitted to the comparator. The compression forces are indica-ted in the clockwise direction. The slight thickness between the bearingpoints makes it possible to use universal, robust and precise dynamome-ters, where other measuring apparatus cannot be used because of theirsize.
Delivered with a plastic case and a calibration certificate.
Thickness between the bearing points:- 18 mm for the 70 800 003,- 25 mm for the 70 800 004.
Digital dynamometer
Ref. 70 800 010 version 500 daN Ref. 70 800 011 version 1500 daN Ref. 70 800 012 version 3000 daN
Specially developed for ARO, this new digital dynamometer offers all theadvantages of an advanced technology combined with ARO's experiencein resistance welding.Proposed in three versions 500, 1500, 3000 daN its rigid construc-tion allows it to accept forces up to 4500 daN without the slightestproblem
- dimensions: 280 x 85 x 35 mm,- thickness between pads : 23 mm,- weight: 685 gr,- precision: less than 0.6 % of the measured value,- power supply: 1 standard 9 V battery.
Besides the direct reading of the measured force, it offers the possibility of freezing themeasurement at any moment in the cycle, and of storing it until resetting.Supplied with its battery, calibration certificate for ISO 9000, user's manual and storage box.
Dynamometers
-
ARO S.A.S.1, avenue de Tours - BP 40161 - 72500 CHATEAU-DU-LOIR - FRANCE
Tel: 33 (0) 2 43 44 74 00 - Fax: 33 (0) 2 43 44 74 01E-mail: [email protected] - http: //www.aronet.com
Nine distribution and service subsidiaries and one subsidiary dedicated to welding electronics:ARO Controls SAS
A proximity service in FranceNorth Paris Region -Normandy
ILE DE FRANCEARO SASRegional Agency60250 ANGYTel./Fax 03 44 26 36 48e-mail: [email protected]
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West
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East
CHAMPAGNE-ARDENNES19, av. du 29 Aot 194451430 TINQUEUXTel: 03 26 04 18 97Fax: 03 26 04 08 17e-mail: [email protected]
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South
ALPES-DAUPHINEMIDI-PACAARO SASRegional Agency38420 LE VERSOUTel: 04 76 51 53 52Fax: 04 76 51 51 14e-mail: [email protected]
ARO SCHWEISSMASCHINEN GmbHBlcherstrae 135 b86165 AUGSBURGDeutschlandTel.: 49 (0) 821 797 1980Fax: 49 (0) 821 797 1976E-mail: [email protected]
ARO SOUDOMETALRESISTANCE WELDING SA - N.V.Riverside Business Park55/15 Bd Internationa(a)llaan1070 BRUXELLES/BRUSSELBelgique/BelgeTel.: 32 (2) 555 07 50Fax: 32 (2) 523 20 24E-mail: [email protected]
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SAVAIR INC.48500 Structural DriveCHESTERFIELD TOWNSHIP, MI 48051United StatesTel.: (1) 586 849 9353Fax: (1) 586 949 4493E-mail: [email protected]
AROSOUDAGE ABBox 85430 33 FJRS - SverigeTel.: + 46 (0) 300-543988Fax: + 46 (0) 300-543989E-mail: [email protected]
AROMEXICANA S.A de CVProlongacin 51 Poniente n5106Fraccionamiento Estrellas del Sur72190 PUEBLA PUE - MexicoTel.: (52) 222 230 00 37Fax: (52) 222 248 20 65E-mail: [email protected]
ARO WELDING LTDUnit 4 Fairfield CourtSeven Stars Industrial EstateCoventry West Midlands CV3 4LJ U-KTel. : 44 (0) 2476 214320Fax: 44 (0) 2476 511502E-mail: [email protected]
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ARO Controls SASZI de Mont sur Loir 72500 CHATEAU-DU-LOIR FranceTel.: 33 (0)2 43 44 74 00E-mail: [email protected]
Nine subsidiaries worldwideA proximity service in France
-
The information and illustrations given in this brochure are based on the technical characteristics of the products at the timewhen this document was printed. Within the scope of its continued product improvement policy, ARO reserves the right tomodify at all times the technical specificities of its products. This brochure includes information of a general character andis not a contractual document.The material in this brochure cannot be reproduced without formal authorization from ARO S.A.S.
ARO S.A.S.1, avenue de Tours - BP 4016172500 CHATEAU-DU-LOIR FRANCETel.: 02 43 44 74 00Fax: 02 43 44 74 01E-mail: [email protected]: //www.aronet.com C
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