EWM Pico 350 cel puls pws MMA Operating Instructions Manual
EWM Pico 350 cel puls pws MMA Operating Instructions Manual

EWM Pico 350 cel puls pws MMA Operating Instructions Manual

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Operating instructions
099-002061-EW501
Register now
and benefit!
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und Profitieren!
www.ewm-group.com
Welding machine
Pico 350 cel puls pws
Pico 350 cel puls pws vrd (AUS)
Pico 350 cel puls pws vrd (RU)
21.05.2015
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Summary of Contents for EWM Pico 350 cel puls pws MMA

  • Page 1 Operating instructions Welding machine Pico 350 cel puls pws Pico 350 cel puls pws vrd (AUS) Pico 350 cel puls pws vrd (RU) 099-002061-EW501 21.05.2015 Register now and benefit! Jetzt Registrieren und Profitieren! www.ewm-group.com...
  • Page 2: General Instructions

    +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. No other form of liability, regardless of type, shall be accepted.
  • Page 3: Table Of Contents

    Contents Notes on the use of these operating instructions Contents 1 Contents ..............................3 2 Safety instructions ..........................6 Notes on the use of these operating instructions ................6 Explanation of icons ........................7 General ............................8 Transport and installation ......................12 2.4.1 Ambient conditions .......................
  • Page 4 9 Accessories ............................60 Remote controls and accessories ....................60 Options ............................60 General accessories ........................60 System components ........................60 9.4.1 Wire feed unit ........................ 60 10 Appendix A ............................61 10.1 Overview of EWM branches......................61 099-002061-EW501 21.05.2015...
  • Page 5 Contents Notes on the use of these operating instructions 099-002061-EW501 21.05.2015...
  • Page 6: Safety Instructions

    Safety instructions Notes on the use of these operating instructions Safety instructions 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. • Safety notes include the "DANGER" keyword in the heading with a general warning symbol. •...
  • Page 7: Explanation Of Icons

    Safety instructions Explanation of icons Explanation of icons Symbol Description Special technical points which users must observe. Correct Wrong Press Do not press Press and keep pressed Turn Switch Switch off machine Switch on machine ENTER ENTER (enter the menu) ENTER NAVIGATION NAVIGATION (Navigating in the menu)
  • Page 8: General

    Safety instructions General General DANGER Electromagnetic fields! The power source may cause electrical or electromagnetic fields to be produced which could affect the correct functioning of electronic equipment such as IT or CNC devices, telecommunication lines, power cables, signal lines and pacemakers. •...
  • Page 9 Safety instructions General WARNING Smoke and gases! Smoke and gases can lead to breathing difficulties and poisoning. In addition, solvent vapour (chlorinated hydrocarbon) may be converted into poisonous phosgene due to the ultraviolet radiation of the arc! • Ensure that there is sufficient fresh air! •...
  • Page 10 Safety instructions General CAUTION Obligations of the operator! The respective national directives and laws must be observed for operation of the machine! • National implementation of the framework directive (89/391/EWG), as well as the associated individual directives. • In particular, directive (89/655/EWG), on the minimum regulations for safety and health protection when staff members use equipment during work.
  • Page 11 Safety instructions General CAUTION EMC Machine Classification In accordance with IEC 60974-10, welding machines are grouped in two electromagnetic compatibility classes - See 8 Technical data chapter: Class A machines are not intended for use in residential areas where the power supply comes from the low-voltage public mains network.
  • Page 12: Transport And Installation

    Safety instructions Transport and installation Transport and installation WARNING Incorrect handling of shielding gas cylinders! Incorrect handling of shielding gas cylinders can result in serious and even fatal injury. • Observe the instructions from the gas manufacturer and in any relevant regulations concerning the use of compressed air! •...
  • Page 13: Ambient Conditions

    Safety instructions Transport and installation 2.4.1 Ambient conditions CAUTION Installation location The machine may only be placed and operated on a suitable, load-bearing and even surface (according to IP 34s in case of outside operation as well)! • Ensure the machine is operated on an even, anti-slip floor and provide sufficient lighting of the work area.
  • Page 14: Intended Use

    Intended use Applications Intended use WARNING Hazards due to improper usage! Hazards may arise for persons, animals and material objects if the equipment is not used correctly. No liability is accepted for any damages arising from improper usage! • The equipment must only be used in line with proper usage and by trained or expert staff! •...
  • Page 15: Documents Which Also Apply

    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 designated machine conforms to EC Directives and standards in terms of its design and construction: •...
  • Page 16: Machine Description - Quick Overview

    Machine description – quick overview Front view Machine description – quick overview Front view Figure 4-1 099-002061-EW501 21.05.2015...
  • Page 17 Machine description – quick overview Front view Item Symbol Description Transport bar Protective cap Connection socket, welding current (workpiece) The welding current polarity (+/-) can be reversed by pressing the welding current polarity push-button (except with TIG welding) and is indicated by a signal light above the relevant welding current socket.
  • Page 18: Rear View

    Machine description – quick overview Rear view Rear view Figure 4-2 099-002061-EW501 21.05.2015...
  • Page 19 Machine description – quick overview Rear view Item Symbol Description Transport bar Cable holder Main switch, machine on/off Cooling air outlet Machine feet Mains connection cable - See 5.6 Mains connection chapter Key button, automatic cutout Wire feed motor supply voltage fuse press to reset a triggered fuse Carrying handle 099-002061-EW501...
  • Page 20: Machine Control - Operating Elements

    Machine description – quick overview Machine control – Operating elements Machine control – Operating elements Figure 4-3 Item Symbol Description Excess temperature signal light In case of excess temperature, temperature monitors de-activate the power unit, and the excess temperature control lamp comes on. Once the machine has cooled down, welding can continue without any further measures.
  • Page 21 Machine description – quick overview Machine control – Operating elements Item Symbol Description Welding procedure selection push-button TIG welding MIG/MAG welding with constant voltage MIG/MAG welding with constant current Welding current polarity signal light The signal light shows the selected polarity at the welding current socket below. Use the welding current polarity push-button to reverse the welding current polarity of the welding current sockets.
  • Page 22: Design And Function

    Design and function General Design and function General WARNING Risk of injury from electric shock! Contact with live parts, e.g. welding current sockets, is potentially fatal! • Follow safety instructions on the opening pages of the operating instructions. • Commissioning may only be carried out by persons who have the relevant expertise of working with arc welding machines! •...
  • Page 23: Machine Cooling

    Design and function Machine cooling Machine cooling To obtain an optimal duty cycle from the power components, the following precautions should be observed: • Ensure that the working area is adequately ventilated. • Do not obstruct the air inlets and outlets of the machine. •...
  • Page 24: Adjusting The Length Of The Carrying Strap

    Design and function Transport and installation 5.4.1 Adjusting the length of the carrying strap To demonstrate adjustment, lengthening the strap is shown in the figure. To shorten, the strap's loops must be inched in the opposite direction. Figure 5-1 5.4.2 Cable strap In the delivery state, the machine has a cable strap for easy and orderly transport of earth lead, welding torch, electrode holder etc.
  • Page 25: Cable Holder

    Design and function Transport and installation 5.4.3 Cable holder The machine is supplied with a cable holder with mounting material. This cable holder can be used to coil and conveniently transport the mains cable. Install the cable holder as shown in the figure. 5.4.3.1 Assembly Figure 5-3...
  • Page 26: Protective Flap, Welding Machine Control

    Design and function Transport and installation 5.4.4 Protective flap, welding machine control 5.4.4.1 Deinstallation/Installation Figure 5-5 Item Symbol Description Seating hole for mounting nipple Mounting nipple, protective cap Protective cap • Remove the protective cap by gently pressing from the side while simultaneously pulling. To attach, insert and snap into place.
  • Page 27: Welding Data Display

    Design and function Welding data display Welding data display All relevant welding parameters with their values are shown depending on the welding procedure selected and the associated functions. Machine parameters and error codes are shown as well in a unique manner.
  • Page 28: Mains Connection

    Design and function Mains connection Mains connection DANGER Hazard caused by improper mains connection! An improper mains connection can cause injuries or damage property! • Only use machine with a plug socket that has a correctly fitted protective conductor. • If a mains plug must be fitted, this may only be carried out by an electrician in accordance with the relevant national provisions or regulations! •...
  • Page 29: Notes On The Installation Of Welding Current Leads

    Design and function Notes on the installation of welding current leads Notes on the installation of welding current leads Incorrectly installed welding current leads can cause faults in the arc (flickering). Lay the workpiece lead and hose package of power sources without HF igniter (MIG/MAG) for as long and as close as possible in parallel.
  • Page 30 Design and function Notes on the installation of welding current leads Use an individual welding lead to the workpiece for each welding machine! Figure 5-8 Fully unroll welding current leads, torch hose packages and intermediate hose packages. Avoid loops! Always keep leads as short as possible! Lay any excess cable lengths in meanders.
  • Page 31: Mma Welding

    Design and function MMA welding MMA welding CAUTION Risk of being crushed or burnt. When replacing spent or new stick electrodes • Switch off machine at the main switch • Wear appropriate safety gloves • Use insulated tongs to remove spent stick electrodes or to move welded workpieces and •...
  • Page 32: Welding Procedure And Parameter Selection

    Design and function MMA welding 5.8.2 Welding procedure and parameter selection Operating Action Result element Select MMA welding procedure and electrode type Electrode type rutile Electrode type rutile-basic B / RC Electrode type basic/rutile-cellulose Electrode type cellulose Set welding current 5.8.2.1 Arcforce (welding characteristics) During the welding process, arcforce prevents the electrode sticking in the weld pool with increases in...
  • Page 33: Hotstart Current And Hotstart Time

    Design and function MMA welding 5.8.2.2 Hotstart current and Hotstart time The hotstart device uses an increased ignition current to improve arc ignition. The parameters for the hotstart current and time can be adjusted individually. When the stick electrode has been struck, the arc ignites at the adjusted hotstart current AMP% (factory setting: 120 % of main current) and welds at this current until the hotstart time in seconds has elapsed (factory setting: 1 second).
  • Page 34: Mma Pulse Welding In The Vertical Up Position (Pf)

    Design and function MMA welding 5.8.3 MMA pulse welding in the vertical up position (PF) Welding characteristics: • Especially suitable for root welding • Fine-flaked weld surface with a TIG look for final passes • Less finishing work thanks to less spatter •...
  • Page 35: Mma Pulsed Welding

    Design and function MMA welding 5.8.4 MMA pulsed welding Operating Action Result element Press the push-button until the Pulse (pulse arc welding) signal light illuminates. Figure 5-15 AMP = Main current; e.g. 100 A IP1 = Pulse current = IP1 x AMP; e.g. 170% x 100 A = 170 A IP2 = Pulse pause current = IP2 x AMP;...
  • Page 36: Advanced Settings

    Design and function MMA welding 5.8.5 Advanced settings To enable the greatest possible breadth of applications, the following parameters can be adjusted or optimised for the welding task. To change the advanced setting parameters, hold down the "Welding parameters" button for 2 seconds after selecting the welding process.
  • Page 37 Design and function MMA welding Display Setting/selection Arcforce correction (setting -10 to 10, factory setting 0) • Increase value > harder arc • Decrease value > softer arc Frequency correction (setting: -99% to 99%, ex works: 0%) Frequency correction of the PF Pulse parameter in per cent. Duty cycle correction (setting: -99% to 99%, ex works: 0%) Duty cycle correction of the PF Pulse parameter in per cent.
  • Page 38: Tig Welding

    Design and function TIG welding TIG welding 5.9.1 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 serious injuries! •...
  • Page 39: Connecting A Tig Welding Torch With Rotating Gas Valve

    Design and function TIG welding 5.9.2 Connecting a TIG welding torch with rotating gas valve Prepare welding torch according to the welding task in hand (see operating instructions for the torch). Figure 5-18 Item Symbol Description Workpiece Connection socket, welding current (workpiece) Output side of the pressure regulator Welding torch Connection socket, welding current (electrode holder)
  • Page 40: Welding Procedure And Parameter Selection

    Design and function TIG welding 5.9.3 Welding procedure and parameter selection Operating Action Result element Press the welding procedure selection push-button until the TIG signal light illuminates. Set main current 5.9.4 TIG arc ignition 5.9.4.1 Liftarc ignition Figure 5-19 The arc is ignited on contact with the workpiece: a) Carefully place the torch gas nozzle and tungsten electrode tip onto the workpiece (liftarc current flowing, regardless of the main current set).
  • Page 41: Tig Pulsed Welding

    Design and function TIG welding 5.9.5 TIG pulsed welding Operating Action Result element Press the push-button until the Pulse (pulse arc welding) signal light illuminates. Figure 5-20 AMP = Main current; e.g. 100 A IP1 = Pulse current = IP1 x AMP; e.g. 170% x 100 A = 170 A IP2 = Pulse pause current = IP2 x AMP;...
  • Page 42: Advanced Settings

    Design and function TIG welding 5.9.6 Advanced settings ENTER EXIT NAVIGATION PF Pulse Pulse Figure 5-21 Display Setting/selection Ignition current Setting: 1% to 200% (20% ex works, dependent on main current) Up-slope time 0.0 s to 20.0 s (1.0 s ex works, 0.1 s increments) Frequency, MMA pulsed welding Setting range: 0.2 Hz to 2.0 kHz (ex works: 5.0 Hz) Pulse duration (setting: 1% to 99%, ex works: 50%)
  • Page 43: Mig/Mag Welding

    Design and function MIG/MAG welding 5.10 MIG/MAG welding 5.10.1 Connecting the intermediate hose package to the power source Some wire electrodes (e.g. self-shielding flux cored wire) are welded using negative polarity. Use the welding current polarity push-button (pole reversal) to reverse the welding current polarity (+/-) without having to change the welding current leads.
  • Page 44: Shielding Gas Supply (Shielding Gas Cylinder For Welding Machine)

    Design and function MIG/MAG welding 5.10.2 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 serious injuries! •...
  • Page 45: Setting The Shielding Gas Quantity

    Design and function MIG/MAG welding 5.10.2.1 Setting the shielding gas quantity Welding process Recommended shielding gas quantity MAG welding Wire diameter x 11.5 = l/min MIG brazing Wire diameter x 11.5 = l/min MIG welding (aluminium) Wire diameter x 13.5 = l/min (100 % argon) Helium-rich gas mixtures require a higher gas volume! The table below can be used to correct the gas volume calculated where necessary: Shielding gas...
  • Page 46: Mig/Mag Welding With Constant Current (Cc)

    Design and function MIG/MAG welding 5.10.4 MIG/MAG welding with constant current (CC) 5.10.4.1 Selection Operating Action Result element Select welding procedure Press the push-button until the CC (constant current) signal light illuminates. Set welding current 5.10.4.2 Advanced settings ENTER EXIT NAVIGATION Figure 5-25 Display...
  • Page 47: Mig/Mag Welding - Voltage-Sensing

    Design and function MIG/MAG welding 5.10.5 MIG/MAG welding – voltage-sensing 5.10.5.1 General This welding machine supports wire feeders with voltage detection (voltage-sensing). Voltage is supplied to these wire feeders solely by the welding voltage. The wire feeder has a lead to connect to the workpiece, to ensure voltage detection and supply.
  • Page 48: Connecting The Supply Lines

    Design and function MIG/MAG welding 5.10.5.4 Connecting the supply lines Figure 5-27 Item Symbol Description Wire feed unit Connection socket, welding current (electrode holder) Welding current connection for wire feeder Workpiece Connection socket, welding current (workpiece) • Plug the welding current lead plug (wire feeder) into the connection socket and lock by turning to the right.
  • Page 49: Welding Current Polarity Reversal (Polarity Reversal)

    Design and function Voltage reducing device (VRD) 5.10.6 Welding current polarity reversal (polarity reversal) This function can be used to reverse the welding current polarity electronically. For example, when welding with different electrode types for which different polarities are stipulated by the manufacturer, the welding current polarity can be switched easily on the control.
  • Page 50: Remote Control

    Design and function Remote control 5.12 Remote control The remote controls are operated on the 19-pole remote control connection socket (analogue). 5.12.1 Manual remote control RT PWS 1 19POL When a remote control is connected, the polarity is changed at the changeover switch of the remote control (ex works).
  • Page 51: Dirt Filter

    Design and function Dirt filter 5.13 Dirt filter These accessory components can be retrofitted as an option - See 9 Accessories chapter. The dirt filter can be used in places with unusually high levels of dirt and dust in the ambient air. The filter reduces the duty cycle of the welding machine via the reduced flow of cooling air.
  • Page 52: Machine Configuration Menu

    Design and function Machine configuration menu 5.14 Machine configuration menu ENTER (Enter the menu) • Switch off machine at the main switch. • Hold down the "Welding process" button and simultaneously switch the machine on again. Wait until the "Elt" menu item is shown and release the button. NAVIGATION (navigating in the menu) •...
  • Page 53 Design and function Machine configuration menu Display Setting/selection Calibration The machine will be calibrated for approx 2 seconds each time it is switched on. Exit the menu Exit Machine configuration Settings for machine functions and parameter display Welding current polarity switching •...
  • Page 54: Maintenance, Care And Disposal

    Maintenance, care and disposal General Maintenance, care and disposal DANGER Do not carry out any unauthorised repairs or modifications! To avoid injury and equipment damage, the unit must only be repaired or modified by specialist, skilled persons! The warranty becomes null and void in the event of unauthorised interference. •...
  • Page 55: Annual Test (Inspection And Testing During Operation)

    In addition to this, returns are also possible throughout Europe via EWM sales partners. Meeting the requirements of RoHS We, EWM AG Mündersbach, hereby confirm that all products supplied by us which are affected by the RoHS Directive, meet the requirements of the RoHS (Directive 2011/65/EU).
  • Page 56: 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 57: Error Messages (Power Source)

    Rectifying faults Error messages (power source) Error messages (power source) A welding machine error is indicated by an error code being displayed (see table) on the display on the machine control. In the event of a machine error, the power unit is shut down. The display of possible error numbers depends on the machine version (interfaces/functions).
  • Page 58: Resetting Welding Parameters To The Factory Settings

    Rectifying faults Resetting welding parameters to the factory settings Resetting welding parameters to the factory settings All customised welding parameters that are stored will be replaced by the factory settings. RESET R-Rutil RB-Rutilbas B-Bas RC-Rutilcel C-Cel Figure 7-1 Display Setting/selection Calibration The machine will be calibrated for approx 2 seconds each time it is switched on.
  • Page 59: Technical Data

    Technical data Pico 350 cel puls pws Technical data Performance specifications and guarantee only in connection with original spare and replacement parts! Pico 350 cel puls pws MIG/MAG Current setting range 10 A-350 A Voltage setting range 20.4 V–34.0 V 10.4 V–24.0 V 14.0 V–31.5 V Duty cycle 25 °C...
  • Page 60: Accessories

    Accessories Remote controls and accessories Accessories Performance-dependent accessories like torches, workpiece leads, electrode holders or intermediate hose packages are available from your authorised dealer. Remote controls and accessories Type Designation Item no. RT1 19POL Remote control current 090-008097-00000 RT PWS1 19POL Remote control vertical-down current, pole reversal 090-008199-00000 RA5 19POL 5M...
  • Page 61: Overview Of Ewm Branches

    Appendix A Overview of EWM branches Appendix A 10.1 Overview of EWM branches 099-002061-EW501 21.05.2015...

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