Related Manuals for EWM PHB 50 20 A
Summary of Contents for EWM PHB 50 20 A
- Page 1 Operating instructions welding torch PHB 50 20 A PHB 50 50 A 099-002025-EW501 Observe additional system documents! 29.11.2017...
- Page 2 +49 2680 181-0. A list of authorised sales partners can be found at www.ewm-group.com. Liability relating to the operation of this equipment is restricted solely to the function of the equipment.
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Page 3: Table Of Contents
Checklist for rectifying faults ......................20 Vent coolant circuit ........................22 8 Technical data ............................23 PHB 50 ............................23 9 Replaceable parts ..........................24 PHB 50 ............................24 10 Appendix A ............................25 10.1 Overview of EWM branches ......................25 099-002025-EW501 29.11.2017... -
Page 4: For Your Safety
For your safety Notes on the use of these operating instructions For your safety Notes on the use of these operating instructions DANGER Working or operating procedures which must be closely observed to prevent imminent serious and even fatal injuries. •... -
Page 5: Explanation Of Icons
For your safety Explanation of icons Explanation of icons Symbol Description Symbol Description Indicates technical aspects which the Activate and release/tap/tip user must observe. Switch off machine Release Switch on machine Press and keep pressed Switch Wrong Turn Numerical value – adjustable Correct Menu entry Signal light lights up in green... -
Page 6: Part Of The Complete Documentation
For your safety Part of the complete documentation Part of the complete documentation These operating instructions are part of the complete documentation and valid only in combination with all other parts of these instructions! Read and observe the operating instructions for all system components, especially the safety instructions! The illustration shows a general example of a welding system. -
Page 7: Intended Use
3.2.1 Warranty For more information refer to the "Warranty registration" brochure supplied and our information regarding warranty, maintenance and testing at www.ewm-group.com! 3.2.2 Declaration of Conformity The labelled machine complies with the following EC directives in terms of its design and construction: •... -
Page 8: Machine Description - Quick Overview
Machine description – quick overview PHB 50 Machine description – quick overview PHB 50 Figure 4-1 Item Symbol Description Tungsten electrode Gas nozzle Back cap Grip plate 099-002025-EW501 29.11.2017... -
Page 9: Connection
Machine description – quick overview Connection Connection Figure 4-2 Item Symbol Description M12x1 coolant water nipple Water flow M12x1 coolant water nipple Water return G 1/4" connecting nipple Shielding gas G 1/4" connecting nipple Plasma gas Connector plug, welding current Welding current connection for torch Connector plug, pilot arc current Pilot arc power connection for torch... -
Page 10: Design And Function
Design and function Connection Design and function WARNING Risk of injury from electrical voltage! Contact with live parts, e.g. power connections, can be fatal! • Observe the safety information on the first pages of the operating instructions! • Commissioning must be carried out by persons who are specifically trained in handling power sources! •... -
Page 11: Welding Torch Cooling System
Design and function Welding torch cooling system Welding torch cooling system Use of unsuitable coolants results in damage to the welding torch! Unsuitable coolants can cause damage to the welding torch! • Use only KF 23E coolants (observe temperature range of - 10 °C bis + 40°C). Coolant mixtures! Mixtures with other liquids or the use of unsuitable coolants result in material damage and renders the manufacturer's warranty void! -
Page 12: Commissioning
Design and function Commissioning Commissioning 5.2.1 Preparations Let the plasma gas flow through the torch for several minutes so as to purge it from any air humidity and avoid ignition problems. 5.2.2 Start of welding Before starting to weld, the arc has to briefly stabilise. At this stage, the burning pilot arc is not centred. -
Page 13: Double Arc
Design and function Welding parameters 5.2.5 Double arc When the current load is too high or the torch held at too steep an angle, a second arc will form between workpiece and plasma nozzle. When the current load is too high or the torch held at too steep an angle, the nozzle service life will decrease significantly. -
Page 14: Welding Parameters
Design and function Welding parameters Welding parameters 5.3.1 Main welding parameters • Welding current • Plasma quantity • Shielding gas 5.3.2 Plasma gas The plasma gas used is generally Argon. 5.3.3 Shielding gas supply (shielding gas cylinder for welding machine) WARNING Risk of injury due to improper handling of shielding gas cylinders! Improper handling and insufficient securing of shielding gas cylinders can cause... -
Page 15: Electrode Replacement
Design and function Electrode replacement Electrode replacement Figure 5-4 Item Symbol Description Back cap Collet chuck Collet casing Compensating spring Electrode guide insert Tungsten electrode Setting gauge Torch body Insert tube, ceramic Plasma nozzle Gas nozzle 099-002025-EW501 29.11.2017... - Page 16 Design and function Electrode replacement Observe the following order: • From the rear, screw the electrode guide insert into the torch body. • Insert the compensating spring. • Screw in the collet body as far as it goes. • Insert the collet chuck with the tungsten electrode. •...
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Page 17: Maintenance, Care And Disposal
Maintenance, care and disposal General Maintenance, care and disposal General DANGER Risk of injury due to electrical voltage after switching off! Working on an open machine can lead to fatal injuries! Capacitors are loaded with electrical voltage during operation. Voltage remains present for up to four minutes after the mains plug is removed. -
Page 18: Maintenance Work, Intervals
A periodic test according to IEC 60974-4 "Periodic inspection and test" has to be carried out. In addition to the regulations on testing given here, the relevant local laws and regulations must also be observed. For more information refer to the "Warranty registration" brochure supplied and our information regarding warranty, maintenance and testing at www.ewm-group.com! 099-002025-EW501 29.11.2017... -
Page 19: Disposing Of Equipment
• Information about returning used equipment or about collections can be obtained from the respective municipal administration office. • In addition to this, returns are also possible throughout Europe via EWM sales partners. 099-002025-EW501 29.11.2017... -
Page 20: Rectifying Faults
Rectifying faults Checklist for rectifying faults Rectifying faults All products are subject to rigorous production checks and final checks. If, despite this, something fails to work at any time, please check the product using the following flowchart. If none of the fault rectification procedures described leads to the correct functioning of the product, please inform your authorised dealer. - Page 21 Rectifying faults Checklist for rectifying faults No arc ignition Incorrect ignition type setting. Setting the tungsten electrode Regrind or replace the tungsten electrode Ignition type: Select “HF start”. Depending on the machine, the setting is defined by the ...
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Page 22: Vent Coolant Circuit
Rectifying faults Vent coolant circuit Vent coolant circuit If there is less coolant in the coolant tank than the minimum required you may need to vent the coolant circuit. In this case the welding machine will automatically shut down the coolant pump and signal an error,. -
Page 23: Technical Data
PHB 50 Technical data PHB 50 Performance specifications and guarantee only in connection with original spare and replacement parts! Type PHB 50 20 A PHB 50 50 A Power range, maximum value at 60% duty 20 A 50 A cycle... -
Page 24: Replaceable Parts
Replaceable parts PHB 50 Replaceable parts PHB 50 The manufacturer's warranty becomes void if non-genuine parts are used! • Only use system components and options (power sources, welding torches, electrode holders, remote controls, spare parts and replacement parts, etc.) from our range of products! •... -
Page 25: Overview Of Ewm Branches
Appendix A Overview of EWM branches Appendix A 10.1 Overview of EWM branches 099-002025-EW501 29.11.2017...
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