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Summary of Contents for BOC Inverweld 110VRD
- Page 1 P R O D U C T S T H A T P E R F O R M ™ BOC INVERWELD 110VRD/140/140VRD O P E R AT I N G M A N U A L...
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Page 2: Welcome To A Better Way Of Welding
Access to a wealth of experience and technical information, accumulated over the years makes the BOC range of equipment a world leader. BOC equipment and technical support is available through our national BOC Customer Service Centre or contact your local Gas & Gear outlet. -
Page 3: Table Of Contents
Machine Specifications and Contents Personal Protection Operating Controls Electric Shock Use of Gas Cylinders Diagram A User Responsibility BOC Inverweld 110 VRD and 140 VRD Operation Manual Metal Arc Welding Process (MMAW) Periodic Maintenance MMA Welding Principle Fundamental Equipment Requirements Power Source... -
Page 4: Safety Precautions
1. Safety Precautions 1.0 Health Hazard Information 1.1 Personal Protection The actual process of MMA and TIG welding Respiratory is one that can cause a variety of hazards. Confined space welding should be carried out All appropriate safety equipment should be with the aid of a fume respirator or air supplied worn at all times, i.e. -
Page 5: Electric Shock
Standard possible. specification without written permission given • Never hold the electrode and holder under by BOC. To do so, will void the Equipment your arm. Warranty. 1.3 Use of Gas Cylinders • Always use the recommended shielding gas Further information can be obtained for the application. -
Page 6: Manual Metal Arc Welding Process (Mmaw)
Manual metal arc welding is used for: The electrode may be connected to either the positive (+) or the negative (–) connection on • structural steel work the BOC Inverweld front panel. • steel bridges • pressure vessels Connecting the electrode to the positive •... -
Page 7: Control Of The Process
2.2 Control of the Process 2.4 Applications of MMA Welding The main control parameters for the MMA The process is applied widely in the fabrication process are: and repair of plain carbon and low alloy steels. It has been used in the construction of power •... -
Page 8: Electrode Types
2.6 Electrode Types Iron powder may be added to any of the above coating types to increase the 'recovery' or the A range of well established electrode types are amount of filler material produced when the available for the welding of ferrous materials, electrode is used. -
Page 9: Gas Tungsten Arc Welding (Gtaw)
The DC electrode positive BOC Inverweld has a direct current output. With DC electrode positive there is a tendency for the electrode to overheat and fusion, of the The torch design will depend on the application workpiece is poor. -
Page 10: Electrode Types And Preparation
CURRENT TYPE DCEN DCEP Electrode polarity Negative Positive Electron & ion flow Penetration characteristics Oxide cleaning action Heat balance in the 70% at work end 30% at work end arc (approx.) 30% at electrode end 70% at electrode end Penetration Deep, narrow Shallow, wide Electrode capacity... -
Page 11: Consumables
3.4 Consumables Electrode Sharpening Tungsten alloy electrodes offer improved The consumables used in the GTAW process • arc striking include the shielding gas and the filler material. • arc stability The shielding gas must be essentially inert • current capacity (i.e. -
Page 12: Features Of The Process
3.6 Features of the Process aerospace industries as well as in the fabrication of chemical process plant, pipework, brewery The most important characteristics of the and food processing vessels. GTAW process are that: • it is chemically inert, Notes • the energy density of the arc is high, 1) The process is also known by several other •... -
Page 13: Shielding Gases
4. Shielding Gases 4.0 Overview 4.1 General Instructions for Pressure Regulators Shielding gases for TIG welding are important for Before mounting the regulator keeping the arc stable and protecting the molten 1. Step aside and open the cylinder valve. This weld metal from contamination during welding. -
Page 14: Plant Specifications
305 x 250 x 123 mm Weight (kg) 4.2 kg * Additional equipment not supplied with the Inverweld required for TIG welding. This package includes: • BOC Inverweld • Electrode holder • Welding cable • Work cable • Work clamp... -
Page 15: Operating Controls
6. Operating Controls 6.0 Diagram A ITEM DESCRIPTION Negative (–) dines connection Positive (+) dines connection Overload protection indicator Welding current regulator Main power switch and signal light Carry strap Selector switch for welding process Machine body Workclamp and cable Electrode holder and cable VRD fitted as standard on 110 VRD and 140 VRD... -
Page 16: Boc Inverweld 110 Vrd And 140 Vrd Operation
6.1 BOC Inverweld 110 VRD and 140 VRD Operation General The new BOC Inverweld 110 VRD and 140 VRD welding machines are fitted with an internal VRD (Voltage reducing device) circuit fulfilling AS 1674.2 safety requirements for VRD operation. The no-load voltage is required to be reduced... -
Page 17: Periodic Maintenance
The working environment or amount of use the machine receives should be taken into consideration when planning maintenance frequency of your BOC welder. Preventative maintenance will ensure trouble- free welding and increase the life of the machine and its consumables. -
Page 18: Electrical Diagrams
8. Electrical Diagram 8.0 Diagram B – Inverweld 140... -
Page 19: Inverweld 110 Vrd / 140 Vrd
8.1 Diagram C – Inverweld 110 VRD / 140 VRD... -
Page 20: Machine Spare Parts
9. Machine Spare Parts 9.0 Diagram D – Machine Spare Parts Only authorised electricians should carry out repairs... -
Page 21: Machine Spare Parts List
9.1 Machine Spare Parts List (refer to Diagrams B, C, D, page 18-20) 110 VRD 140 VRD DIAGRAM DESCRIPTION PART NO. PART NO. PART NO. A001 4301880 4298870 4298870 CONTROL CARD C001 9755615 9755615 9755615 CAPACITOR 470 UF 9750191 9750191 9750191 RECTIFIER UNIT 30A / 600V... -
Page 22: Terms Of Warranty
• Before any Warranty work is undertaken, the • Valid for two years from date of purchase customer must provide proof of purchase and • An authorised BOC Service Agent must carry serial number of the equipment in order to out Warranty repairs validate the Warranty. -
Page 23: Glossary
11. Glossary ASEA Short arc transfer Australian Standard Equal Angle Metal transfer in which fused particles of wire electrode are detached in rapid succession during the repeated short circuiting contacts Argon shielding gas the weld pool Spatter Carbon dioxide The metal particles which are expelled during welding on to the surface of the parent metal or Current density a weld and which do not form a part of the weld... - Page 24 BOC is a trading name of BOC Limited, which is an operating company within The BOC Group, the parent company of which is The BOC Group plc. The stripe symbol and the word BOC are a registered trademark of The BOC Group plc and used under licence by...
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