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38.1022

POLYSOUDE
14¢

AUTOTlG® P25.TH
P30.TR
I High precision automatic I Simple or complex program- I Compatible with all
welding units including: mes stored in sequence, with POLYSOUDE welding
. D.C. power source for TIG easy recall. The number of heads for :
welding with pulsed current, programmes in memory is . Butt welding of tubes,
. programme sequence limited only by the com- _ . Welding of tube to tube
eentrel. plexity of the individual plates.
. auxiliary function control programmes or by the total I Remote control either from
(Wire feed and welding head capacity of the memory. the portable programming
movements). I Entering the programme para- unit or,from the hand
I An option of two power meters either digitaly from the control box.
source types : portable programming unit or I Modification of welding
. P25.TH - Thyristor control, by transfer from magnetic _ current and movement par-
. P30.TR - Transistor control. tape* (micro cassette). meters during the welding
I Welding sequence and current I Programme verification. Cycle by preselected lf1efe- _
profile controlled by micro- Hard copy* - print out of a mental Values-
processor. parameter listing (for quality I Connection to special welding
control and reference file). equipment and robots by
Programme storage*. means of an interface,
Recording of the programme (s)- designed to meet the requi-
in memory onto a magnetic rements of the system.
tape, (digital micro cassette).
1 ‘ AUTOTK5 P25-Tl'l_ _ (Each cassette is supplied in a
2’ ‘ P°FTabl@‘ Pl'°9|'amm'"9 Unit plastic case for protection and
3.‘ Hand control bOX ease of storage)‘ * OPTIONS

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 ildirig current
TIG welding with pulsed cur- The sequence _
levels and dwell times, thereby K ’ ’ *""~(
rent is one of the most adap-
table processes for welding allowing selection of the opti
mum current characteristics. '
thin or medium thickness ma- I Thyristor power sources
ll Q T ‘
'0 u -is
terials. Ely virtue of its excel-
lent controllability it is parti-
cularly suited to the welding
(P25.TH)
Due to its six phase rectifier,
.
§.8A “HI l qtI 4.
this power source delivers a
of fixed position tubes (orbi-
tal Welding), and even more D.C. welding current with
very low ripple. The slope of
6'-*6-l O rs 5.
so when the acceptance stan-
dards for qualityare verystrict
When using pulsed current,
the current is approximately
100 ms/250 A and allows for
ow~ET ttcifle
the front of the current peak (as already proven with the -8>Qd"l..:'=.c-.LJ Jig "L I
must allow a deep enough AUTOTIG 250 SE equipped
penetration without excessive with the same power source) yq, __:>_ _m__ E__-Pl‘ J
heating of the work piece ed- a wide range of orbital y
welding applications.
ges. This current profile de- I Transistor power source _ _
I The sequencer is the "order I The sequencer with its micro-
peflds on the type Of material (p3Q_TRi patches to the different con-
giver" of the machine it des- following functions :
processor controlls the
being welded, in particular its
thermal conductivity and the This original POLYSOUDE
trql systems, all the instruc- . Welding current (shape, up-
mass effect of the workpiece. power source, as used on the
AUTOTIG ‘I58 SE, has already tions necessary to complete slope, welding & downslope),
ln critical applications, a very the weld cycle in respect to . Wire feed,
rapid pulse (f>500 Hz) (called proven without exception its
high performance capabilities. the actual position of the . Torch movement along the
metallurgical pulsation) can torch along the joint. This is joint,
be superimposed on top of The series transistor principal,
with linear amplification ensu- achieved by "real time" moni- . Weaving across the joint*, “' _
the normal pulsed current.
res a ripple lower than l %, TOFIITQ Of The Weld ¢VCle using . Electrode to workpiece
Thereby giving a higher wel- the patended movement distance‘.
ding current but of a very the pulse upslope can reach
150 ,us/240 A. The leading lmpulse $Y5Te"l- I All functions are feed back ’
short duration, allowing bet- With AUTOTIG P25.TH and loop controlled, ensuring the
ter control of the weld pool and trailing edge of the pulse
(attack and decay) may be P30-TR. The sequence Cefl highest possible degree of
and to act on the metallurgi- also run if required under the accuracy and repeatability.
cal structure of the melted adjusted as required against
three values. The fast pulsation control of an internal quartz ‘
metal. The control system of timing device.
POLYSOUDE power source is (I4, I5) determined by the
ensures a very precise control amplitude of the current varia-
tion (I5) on two levels, by the
of the parameters which deter-
mine the pulse shape, current pulsation frequency (F), and
l
the operating cycle (CY).

lA l7pE(s ® Fit pg‘/s

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-l- OPTIONS
|- All
.- nuufll-\MM
the parameters

entered into
particular
from
the memory
programme
the keyboard
the machine
.
INPUT used in

can of
be
or via a
either direct
a
.
. ding
During

should
programme

decidedhave
limits,
thatcontrol
. of a wel-
the writing
it may be

of cer- "'
the operatoi"‘
in order towithin
tain parameters compensa-
fixed
‘,-

L
micro cassette . te for possible variations.
""i"“-34,1. Each sequence when in store. With these equipments, it is
5;,-_t' -\ _
is designated with an identity pQ$5lb|e to preselect parame-
number. A liquid Cristal di$- ters and instruct the machine
I-0 I play allows visual BCCBSS 1:0 to allow a variation of a
'19 L the stored information. known amount above or be-
I MODIFICATIONS low the accepted level. Each
ll/l0dlޢeIl0n Of Paf3metel'$ of these modifications made
can be obtained I by the operator is by incre-
. Before starting the sequence mental adjustment the size of
by using the funefiofl l<eV which is determined during
MOD 0" the DF°9Famml"9 the writing of the programme.
unit. The modification of any of
- Duflng Welding (feel time the preselected parameters is
modification) with or with- controlled by depressing the
Ol-it 8lt8|'8IlOl'l Of the 8CtU8l gorrespgnding b|_|ttQ|’] Qn the
value ll'l ITIEITIOFY. This fUI'lC- remgte control unit,
tion is of extreme value for
the development of welding
procedures.
e______L Modification by welding
operator: du-
AUTOTIG P 25.TH ring production
 Programming _ Utilization i _
I!
Programming" means : the only limit for the num- I OPERATION trolled via flowmeters fitted
. The introduction in sequen- ber and type of programme Two working modes are on the front panel of the
ce, of all the parameters steps is the total capacity of possible : power sources.
necessary for a complete the machine memory. . For developing and writing i I WATER COOLING
welding operation, from stri- The programme steps, simple welding procedures all func- As standard the AUTOTIG
king to switching off the arc. or complex are written and tions are controlled from P25.TH and P30.TR are fit-
. The storing of information stocked one after the other. the portable programming ted with a water circulating
to be used for executing unit MCP 1050. and cooling system. However
multi-pass welds, and/or For fabrication welding with it i5 p0$Sible (if Spefiified at
different one pass welds. predetermined procedures _ the time Of Ordering) t0 in-
. The automatic modification stored in memory, controlled corporate a secondary water
of parameters during wel- from the remote control box circuit f0I' additional COOling,
ding as dictated by the BTC 1050 allowing ; i.e. auxiliary tooling.
programme sequence. . The selection of the requi- I TEST CYCLE
A sequence consists of a red programme identified Preliminary test Of gas flows,
number of differnt steps, a by its reference number. Wire feed and 'E0rCh move-
step being a period where the . Start of automatic welding _ ment by switching out the
Number of sequences
parameters remain unchan- 20 sequence. . welding current and comple-
ged. Controlling a step requi- _basic vanevily . A limited and incremental ting a "dummy run". The cy-
res the execution of an ins- ‘I5 °P"°"=' =*‘s"5‘°" modification of certain para- cle is displayed on the synop-
truction in memory by the meters for which value has tic fro__nt panel of the power
sequencer. The quantity of 10 been preset. source by means of indicator
steps depending on the num- , Forward and retract of filer lights. An indiviluabel aid to
ber of parameters and 5 wire, . "proving" a programme.
functions in use. . Rotation of the welding I SECURITY
A feature of the program- l:l U ,l:l, ,l:l, J1, head. The power sources are fitted
ming on the AUTOTIG 1 23 7 10Number
as ss of Ste99PS - of slope
. Manual override - security
with - devices
- that.
P25.TH and P30.TR is that .
out sequence, constantly monitor functions
\-
I ADDITIONAL FUNCTIONS such as gas, water temperature
i*LJr/Fife“ :11" Gas. etc. In the event of a fault in
—_/1: ll I5 "5: \ For welding with gasses other- a particular circuit the fault
llI1'.'1_ll JLJ$. !l._"- than Argon where arc striking is indicated by a LED against
ll
may prove difficult |ncorpo- the appropriate symbol. Wel-
" rated in the machine is an au- ding cannot recommence
QDLYSUUDH "°’ Vi " tomatic gas change over devi- until the fault has been
MCP- ioso __!EJ—~T§’,i'-Tl ce, allowing the arc to be traced and rectified
stuck in Argon and immedia I TACK WELDING
tely switching to the required~ The power circuitry can be
shielding gas.* adapted to allow an additio-
T Purge gas, the sequencer also nal function (e-9- manual
controls a separate gas circuit welding torch) with using of
for the internal purge gas.* a special kit box.* Therefore
Additional torch shielding gas tack welding is made easy by

iac»
for further protection (i.e. for immediate access to parame-
titanium) is provided for.* “ ters contained on a tack weld
i T
All shielding gasses are con- Pl'09Famn1e- -l(-
OPTIONS
STOP PW»

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I

»-~~%- Q:-it olo

DOCUMENTATION Instructing the machine to

The AUTOTIG P25.TH and access information from a E '—.—i.-Ii'_ i.-I
i -_="_"_:'_i L:
P30.TR power sources incor- prerecorded cassette,* allows
porate a printer* that will the operator to set up the §4—¥Jw¥fi
=1 -ET-5::-:.
give a prameter listing for machine very quickly
each sequence stored in me- without any risk of error,
mory. This listing is a useful even for the most complica- _...
E '
15.
* ." Li

document for welding proce- ted programmes.

dure acceptance and for A conventionl multichannel 11 __ i __.~"--E E‘ .=
quality control. recorder can be connected x
All welding programmes can via a socket on the power 1 5:5 s P
be stored on magnetic tape* source, allowing analogic .. ;-1 =_-1 .-
(micro cassette) it is therefo- signals for current, voltage
re possible to establish a pro- and welding speed to be
gramme library containing a recorded.
tape and printed listing of
each application.
 Technical characteristics AUTOTIG P 25.TH AUTOTIG P 30.TR

Mains voltage (3-phases 50/60 Hz) . 220/380/440/500 V 220/380/440/500 V

lnput power . 10 KVA 15 KVA
Open-circuit voltage . 100 V 70 V
Current range . 5 to 250 A 3 to 300 A
Current setting accuracy . 60 % to 250 A 60 % to 300 A
. 100 % to 190 A 100 % to 240 A
Constancy . i'1 % or 1 A
i
Thermical pulsation range .5 to 250 A 3 to 300 A
Dwell time at IH or IB .100 to 9999 ms 10 to 9999 ms
Fast pulsation range 3 to 300 A
Fast pulsation frequency 50 to 10000 Hz
Effective frequency for 30/270 A 3000 Hz
Duty cycle for fast pulsation 10 to 90 %
Power source cooling Sforced air
Welding tool cooling . . recirculating water* i
Gas control . built-in security and flow-meter
Auxiliaries . torch movement and wire feed
.torch weaving* and arc length control*
Programme safeguard . magnetic tape* .-I
Listing . printer* Q
Programming . portable compact case I.
Automatic and manual control ' ii . remote control box
Memory capacity .6 K0 of 8 K0 RAM to be programmed by the user
. 18 Ko of 20 Ko RAM to be programmed by the user“
Dimensions (L x w x h) .560 x 800 x 1520 mm
Weight (approx.) .320 kg | .350 kg
‘OPTIONS

MCP 1050 or BTC105O

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* OPTIONS i i U V ii i

POLYSDU DE‘.Y
Polysoude S.A.
7, rue Crucy
B.P. 366
381022 8114/5 F-44012 Nantes Cédex
Polysoude reserves the right to modify technical characteristics of its Tel‘ (40) 2o'48'00
equipments without prior notice. This document is not contractual. TX 710760 Polysoud F
Printed in France. Copyright Polyséiide. _ ' . Representend in Europe by Messer Griesheim