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OpERATION

ARC MASTER 175 SE

March 20, 2008 4-3 Manual 0-5054

4.04 GTAW Electrode Polarity

Connect the TIG torch to the "-" Negative Output

Terminal and the work lead to the "+" Positive Output

Terminal for direct current straight polarity. Direct

current straight polarity is the most widely used

polarity for DC TIG welding. It allows limited wear of

the electrode since 70% of the heat is concentrated

at the work piece.

4.05 Guide for Selecting Filler Wire

Electrode Diameter

DC Current

.040” (1.0mm)

30 - 60

1/16” (1.6mm)

60 - 115

3/32” (2.4mm)

100 - 165

1/8” (3.2mm)

135 - 175

4.06 Tungsten Electrode Current

Ranges

Electrode Diameter

DC Current

.040” (1.0mm)

25 - 85

1/16” (1.6mm)

50 - 160

4.07 Shielding Gas Selection

Alloy

Shielding Gas

Carbon Steel

Welding Argon

Stainless Steel

Welding Argon

Nickel Alloy

Welding Argon

Copper

Welding Argon

Titanium

Welding Argon

4.08 Tungsten Electrode Types

Electrode Type

(Ground Finish)

Welding Application

Features

Colour Code

Thoriated 2%

DC welding of mild steel, stainless

steel and copper.

Excellent arc starting, long life,

high current carrying capacity.

Red

Ceriated 2%

AC & DC welding of mild steel,

stainless steel, copper aluminium

magnesium and their alloys.

Longer life, more stable arc,

easier starting, wilder current

range, narrower more concen-

trated arc.

Grey

4.09 TIG Welding Parameters for Steel

Joint

Mild Steel

Stainless Steel

Type

0.040”

35-45

20-30

1/16”

10 CFH

Butt/Corner

(1.0mm)

40-50

25-35

(1.6mm)

(5 LPM)

Lap/ Fillet

0.045”

45-55

30-45

1/16”

13 CFH

Butt/Corner

(1.2mm)

50-60

35-50

(1.6mm)

(6 LPM)

Lap/ Fillet

1/16”

60-70

40-60

1/16”

15 CFH

Butt/Corner

(1.6mm)

70-90

50-70

(1.6mm)

(7 LPM)

Lap/ Fillet

1/8”

80-100

65-85

3/32”

15 CFH

Butt/Corner

(3.2mm)

90-115

90-110

(2.4mm)

(7 LPM)

Lap/ Fillet

3/16”

115-135

100-125

1/8”

21 CFH

Butt/Corner

4.8mm

140-165

125-150

(3.2mm)

(10 LPM)

Lap/ Fillet

¼”

160-175

135-160

1/8”

5/32”

21 CFH

Butt/Corner

(6.4mm)

170-200

160-180

(3.2mm)

(4.0mm)

(10 LPM)

Lap/ Fillet

Base Metal

Thickness

DC Current

Electrode

Diameter

Filler Rod

Diameter

1/16”

(1.6mm)

3/32”

(2.4mm)

Argon Gas

Flow Rate

0.040”

(1.0mm)

0.040”

(1.0mm)

1/16”

(1.6mm)

Содержание 175 SE ARC MASTER

Страница 1: ...50 60 Hz A 08598 ARC MASTER Inverter Arc Welder 175 SE Operating Manual Revision No AE Issue Date February 24 2009 Manual No 0 5054 Operating Features...

Страница 2: ...Precautions They will help you to avoid potential hazards that may exist when working with this product YOU ARE IN GOOD COMPANY The Brand of Choice for Contractors and Fabricators Worldwide ThermalAr...

Страница 3: ...hermalarc com Copyright 2008 by Thermadyne Industries Inc All rights reserved Reproduction of this work in whole or in part without written permission of the publisher is prohibited The publisher does...

Страница 4: ...Electrical Input Connections 3 1 3 04 Electromagnetic Compatibility 3 3 3 05 Setup for Welding 3 4 3 06 Manual Arc STICK Setup 3 5 3 07 Lift TIG GTAW Setup 3 6 SECTION 4 OPERATION 4 1 4 01 Front Pane...

Страница 5: ...01 Routine Maintenance and Inspection 5 1 5 02 STICK Welding Problems 5 2 5 03 TIG Welding Problems 5 3 5 04 Power Source Problems 5 4 5 05 Key Spare Parts 5 4 LIMITED WARRANTY WARRANTY SCHEDULE 2 GLO...

Страница 6: ......

Страница 7: ...Wear a safety harness to prevent falling if working above floor level 15 Keep all panels and covers securely in place WARNING ARC RAYS can burn eyes and skin NOISE can damage hearing Arc rays from th...

Страница 8: ...material 3 Remove all flammables within 35 10 7m of the welding arc If this is not possible tightly cover them with approved covers 4 Be alert that welding sparks and hot materials from welding can ea...

Страница 9: ...GINE EXHAUST GASES can kill Engines produce harmful exhaust gases 1 Use equipment outside in open well ventilated areas 2 If used in a closed area vent engine exhaust outside and away from any buildin...

Страница 10: ...lowing procedures 1 Keep cables close together by twisting or taping them 2 Arrange cables to one side and away from the operator 3 Do not coil or drape cable around the body 4 Keep welding power sour...

Страница 11: ...Welding GMAW Increase Decrease Circuit Breaker AC Auxiliary Power Remote Duty Cycle Percentage Amperage Voltage Hertz cycles sec Frequency Negative Positive Direct Current DC Protective Earth Ground L...

Страница 12: ...it t les pi ces endommag es 13 Dans des espaces confin s ou mouill s n utilisez pas de source de courant alternatif moins qu il soit muni d un r ducteur de tension Utilisez plut t une source de couran...

Страница 13: ...s l ments peuvent d gager des fum es toxiques au moment du soudage AVERTISSEMENT LE SOUDAGE PEUT CAUSER UN INCENDIE OU UNE EXPLOSION L arc produit des tincellies et des projections Les particules vola...

Страница 14: ...cher de tomber ou d tre renver s es 3 Eloignez les bouteilles de tout circuit lectrique ou de tout soudage 4 Emp chez tout contact entre une bouteille et une lectrode de soudage 5 N utilisez que des...

Страница 15: ...idi 2 Mettez des gants et posez un torchon sur le bouchon pour l ter 3 Laissez la pression s chapper avant d ter compl tement le bouchon PLOMB AVERTISSEMENT Ce produit contient des produits chimiques...

Страница 16: ...Augmentez Diminuer Disjoncteur Source AC Auxiliaire Distant Facteur de Marche Pourcentage Intensit de Courant Tension Hertz cycles sec Fr quence N gatif Positif Courant Continue DC Terre de Protectio...

Страница 17: ...equirements Among them are CENELEC EN50199 EMC Product Standard for Arc Welding Equipment ISO IEC 60974 1 BS 638 PT10 EN 60 974 1 EN50192 EN50078 applicable to welding equipment and associated accesso...

Страница 18: ...Manual 0 5054 1 12 March 20 2008 ARC MASTER 175 SE SAFETY INSTRUCTIONS...

Страница 19: ...h complete information concern ing damage claims or shipping errors to the location in your area listed in the inside back cover of this manual Include all equipment identification numbers as describe...

Страница 20: ...x D 230mm Power Source Part Number Welding Output Welding output 40 C 10 min quoted figures refer to SMAW output Dimensions and Weight Dimension power source DxWxH Mains Power Classification Motor st...

Страница 21: ...n areas not exposed to direct sunlight or rain Place at a distance of 12 300mm or more from walls or similar that could restrict natural air flow for cooling WARNING Thermal Arc advises that this equi...

Страница 22: ...0 National Electrical Code Input Power Each unit incorporates an INRUSH circuit When the MAIN CIRCUIT SWITCH is turned on the inrush circuit provides pre charging for the input capacitors A relay in t...

Страница 23: ...erence occurs it may be necessary to take additional precautions such as filtering of the mains supply Consideration should be given to shielding the supply cable of permanently installed welding equi...

Страница 24: ...uide only Current delivered to the arc is dependent on the welding arc voltage and as weld ing arc voltage varies between different classes of electrodes welding current at any one setting would vary...

Страница 25: ...d Current control to the desired welding current 6 Switch the ON OFF Switch located on the rear panel to the ON position This will immediately energize the power supply up to the output terminals and...

Страница 26: ...l to the desired welding current 6 Switch the ON OFF Switch to the ON position 7 Commence welding If necessary readjust the Weld Current control to obtain the welding condition re quired 8 After compl...

Страница 27: ...before resuming welding A Process Selection Switch Switches between Lift TIG and Manual Arc STICK Weld ing modes B Power On Indicator The Power ON Indicator illuminates when the ON OFF switch is in t...

Страница 28: ...zone in the weld area and if suitable precautions are not taken the occurrence in this zone of under bead cracks Hardened zone and under bead cracks in the weld area may be reduced by using the correc...

Страница 29: ...ation Features Colour Code Thoriated 2 DC welding of mild steel stainless steel and copper Excellent arc starting long life high current carrying capacity Red Ceriated 2 AC DC welding of mild steel st...

Страница 30: ...ing in flat horizontal vertical and overhead positions Numerous applications call for welds to be made in positions intermediate between these Some of the common types of welds are shown in Figures 4...

Страница 31: ...simplest way to commence is to run beads on a piece of scrap plate Use mild steel plate about 1 4 6 0mm thick and a 1 8 3 2mm electrode Clean any paint loose scale or grease off the plate and set it f...

Страница 32: ...mes almost automatic You will find that A very long arc produces a crackling or spluttering noise and the weld metal comes across in large irregular blobs The weld bead is flattened and spatter increa...

Страница 33: ...hese are welds of approximately triangular cross section made by depositing metal in the corner of two faces meeting at right angles Refer to Figure 4 5 A piece of angle iron is a suitable specimen wi...

Страница 34: ...tip of the electrode just keeps ahead of the slag The electrode should point upwards at an angle of about 45 3 Overhead Welds Apart from the rather awkward position necessary overhead welding is not...

Страница 35: ...mensions In a welded joint the metal becomes attached to the side of the joint and cannot contract freely Therefore cooling causes the weld metal to flow plastically that is the weld itself has to str...

Страница 36: ...pleted the sections b and c will contract at a similar rate thus reducing distortion Art A 07707 Figure 4 22 Principle of presetting Art A 07708 B Preheat Preheat Dotted lines show effect if no prehea...

Страница 37: ...essary with solvents that are recommended for cleaning electrical apparatus CAUTION Do not blow air into the power supply during cleaning Blowing air into the unit can cause metal particles to interfe...

Страница 38: ...rode angle incorrect rate of travel too high A Small electrodes used on heavy cold plate B Welding current is too low C Wrong electrode angle D Travel speed of electrode is too high E Scale or dirt on...

Страница 39: ...ode by grinding contaminates off B Check gas lines for cuts and loose fitting or change gas cylinder 8 Poor weld finish Inadequate shielding gas Increase gas flow or check gas line for problems 9 Arc...

Страница 40: ...use Remedy 1 The welding arc cannot be established A The Primary supply voltage has not been switched ON B The Welding Power Source switch is switched OFF C Loose connections internally A Switch ON th...

Страница 41: ......

Страница 42: ...written consent obtained from Thermadyne service department UK Equipment that has been used beyond the speci cations established in the operating manual Installation not in accordance with the install...

Страница 43: ...g District Shanghai PR 200052 Telephone 86 21 69171135 Fax 86 21 69171139 Thermadyne Asia Sdn Bhd Lot 151 Jalan Industri 3 5A Rawang Integrated Industrial Park Jln Batu Arang 48000 Rawang Selangor Dar...

Страница 44: ...World Headquarters Thermadyne Holdings Corporation Suite 300 16052 Swingley Ridge Road St Louis MO 63017 Telephone 636 728 3000 Fax 603 728 3010 Email sales thermalarc com www thermalarc com...

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