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TIG 185 DC

Operating Manual

Содержание TIG 185 DC

Страница 1: ...TIG 185 DC Operating Manual ...

Страница 2: ... into account the particular circumstances of the recipient and the recipient should not rely on this document in making any decisions including but not limited to business safety or other operations decisions Except insofar as liability under any statute cannot be excluded Ryval and its affiliates directors employees contractors and consultants do not accept any liability whether arising in contr...

Страница 3: ...gsten electrode selector chart 11 3 Manual Metal Arc Welding MMAW 3 1 Introduction 3 2 Process 3 3 Welding machine 3 4 Welding technique 3 5 Electrode selection 3 6 Types of joints 14 4 Package contents Page 15 5 Control panel 16 6 TG 185 DC Operation 6 1 Power 6 2 Shielding gas 6 3 TIG torch connection 6 4 MMA operation 6 5 TIG welding operation 18 7 Technical specifications 19 8 Troubleshooting ...

Страница 4: ...er valve by hand by turning the valve hand wheel in a clockwise direction Use only reasonable force Remember NEVER tamper with the valve If you suspect the valve is damaged DO NOT use it Report the issue to Ryval and arrange for the cylinder to be returned to Ryval 1 4 Electrical shock Never touch live electrical parts Always repair or replace worn or damaged parts Disconnect the power source befo...

Страница 5: ...r sources with constant current output characteristics are normally employed to supply the welding current For DC operation the tungsten may be connected to either output terminal but is most often connected to the negative pole The output characteristics of the power source can have an effect on the quality of the welds produced Use of DCEN For a given diameter of tungsten electrode higher ampera...

Страница 6: ...ng Best DC arc starts and stability 3 Manual Metal Arc Welding MMAW reversal is called a half cycle and repeats as long as the current flows The rate of change of direction of current flow is known as the frequency of the supply and is measured by the number of cycles completed per second 3 3 Welding machine Basic welding machine and cables The choice of welding machine is based mostly on the foll...

Страница 7: ...ct size of the electrode for the job correct welding current correct arc length correct angle of electrode to work correct travel speed correct preparation of work to be welded 3 5 Electrode selection As a general rule the selection of an electrode is straight forward in that it is only a matter of selecting an electrode of similar composition to the parent metal It will be found however that for ...

Страница 8: ...Power indicator light 4 MMA TIG switch 5 Over heating indicator 6 Current selection knob 7 Downslope adjustment 8 On off switch 9 Negative dinse connector 10 Gas output 11 Contactor control 12 Positive dinse connector Package contents TIG 185 DC welding machine Power cable and plug MMA electrode holder 300A Earth clamp and return lead TIG torch and gas outlet connections Operating manual ...

Страница 9: ...The contactor lead is fitted to the contactor control fitting marked 11 6 5 2 For DC pulse TIG welding DC welding of thin material can further be enhanced by using the pulse mode When using the pulse mode for DC applications the current will be varied between the welding current and a pre selected background current Additionally the pulse frequency can be adjusted By adjusting the pulse frequency ...

Страница 10: ...n no oxygen or CO Maintain short arc length Use smaller electrode or increase current Remove contaminated portion then prepare again Open joint groove The most common cause is moisture or aspirated air in gas stream Use welding grade gas only Find the source of the contamination and eliminate it promptly Use appropriate chemical cleaners wire brush or abrasives prior to welding Many codes do not a...

Страница 11: ...he bead size Prevent craters or notches Change the weld joint design Increase bead size Decrease root opening Use preheat Prevent craters Eliminate sources of hydrogen joint restraint and use preheat Locate and eliminate the blockage or leak Use slower travel speed or carefully increase the flow rate to a safe level below creating excessive turbulence Use a trailing shield cup Set up screens aroun...

Страница 12: ...direct expenses loss damage or costs including but not limited to daily allowances or accommodation and travelling costs Modification of the primary input plug or fitment of a lower rated primary input plug will render the warranty null and void NOTE Under the terms of warranty welding torches and their consumables are not covered Direct or indirect damage due to a defective product is not covered...

Страница 13: ...custserv boc com The stripe symbol and the letters BOC are registered trade marks of The BOC Group Limited Both BOC Limited and The BOC Group Limited are members of The Linde Group the parent company of which is Linde AG Reproduction without permission is strictly prohibited BOC Limited 2013 ...

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