LOKERMANN GRAND CUT 40 PFC MV User Manual
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LOKERMANN GRAND CUT 40 PFC MV User Manual

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GRAND
CUT 40
P F C
USER MANUAL
IIMPORTANT: Read this OPERATOR MANUAL together
with PRESCRIPTION AND COMPLIANCE MANUAL before
to use this equipment. In case of loss one of two parts
contact immediately your dealer.
Allow the operator to consult this manual.
M V

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Summary of Contents for LOKERMANN GRAND CUT 40 PFC MV

  • Page 1 USER MANUAL GRAND CUT 40 P F C IIMPORTANT: Read this OPERATOR MANUAL together with PRESCRIPTION AND COMPLIANCE MANUAL before to use this equipment. In case of loss one of two parts contact immediately your dealer. Allow the operator to consult this manual.

  • Page 2: Table Of Contents

    CONTENT 1 INTALLATION WARNING 2 OVERVIEW 2.1 Features 2.2 Technical Data 2.3 Working Principle 2.4 Duty cycle and Over-heat 2.5 Volt-Ampere Characteristic 3 INSTALLATION & OPERATION 3.1 Layout for the front and rear panel 3.2 Installation & Operation 3.3 Plasma Cutting Guide 3.3.1 Cutting Guide 3.3.2 Operating Techniques 3.4 Troubleshooting...

  • Page 3: Intallation Warning

    INSTALLATION WARNING This machine is certied according to 60974-10:2014 Arc Welding Equipment Part 10: Electromagnetic compatibility (EMC) requirement and the EUT belongs to Group 2 Class A. Installation WARNING: This Class A equipment is intended for industrial use and it is not intended for use in residential locations where the elctrical power is provided by the public low-voltage supply system.
  • Page 4 Important Safety Precautions OPERATION AND MAINTENANCE OF PLASMA ARC EQUIPMENT CAN BE DANGEROUS TO YOUR HEALTH. Plasma arc cutting produces intense electric and magnetic emissions that may interfere with the proper function of cardiac pacemakers, hearing aids, or other electronic health equipment. Persons who work near plasma arc cutting applications should consult their medical health qualied technician and the manufacturer of the health equipment to deter- mine whether a hazard exists.

  • Page 5: Overview

    Air ow manual activation switch to set & test air pressure, pr- essure without the need to trigger the torch. Lightweight & compact design, ideal for portable applications Technical Models GRAND CUT 40 PFC MV Parameters Data Input power(V) single-phase，90VAC-275VAC Fre.

  • Page 6: Working Principle

    Overview Working GRAND CUT 40 PFC MV is shown as the following gure. Single-phase 110V/220V line frequency Principle (50/60 Hz) AC is rectied into DC, then it is converted to medium frequency AC by inverter device (discrete IGBT), after reducing voltage by medium transformer (the main transformer) and rectied by medium frequency rectier (fast recovery diode), and is outputted by inductance ltering.

  • Page 7: Layout For The Front And Rear Panel

    Installation Plasma Torch Euro/ Central Connector. & Earth Lead Connection Socket. Air Control Run/Set Switch. * Operation Cutting Power Indicator: Lights when cutting power circuit activated . Torch System Error Indicator. * Alarm Indicator. * Layout for Power Indicator: Lights when input power connected and machine switched on.
  • Page 8 Pilot Arc System GRAND CUT 40 PFC MV uses a pilot arc system to establish the main cutting arc. A pilot arc system is a circuit where the return is back through the torch head and cable. This means it can create a small arc with some cutting power without making any electrical connection with the main machine earth.
  • Page 9 Installation Electrical Connection & GRAND CUT 40 PFC MV is designed to operate on a 1 phase 110V/220V AC power supply. When the power supply voltage is over the safe work voltage, there are over voltage and under Operation voltage protection inside the welder, the alarm light will on, at the same time, the current output will be cut off.

  • Page 10: Plasma Cutting Guide

    Note: The alarm lamp on when cutting, it is needed to loose the switch of the torch until the alarm release, then press on the switch to start cutting again. In the automatic gas test and examine, press on the cutting torch, there will no reection. After a long usage, the surface of the electrode and nozzle will have Oxidation reaction.

  • Page 11: Operating Techniques

    3.3.2 Operating Piercing - Materials (up to 3.2mm/1/8in. thick) work. When piercing thicker materials (up to4.8mm Techniques stainless or carbon steel) at an angle, position the torch 0.5mm (.02”) above the work piece. It is advisable when piercing thicker materials to drill a small pilot/starting hole in the work piece which makes it a lot easier and gives increased tip life.
  • Page 12 Direction of Cut - The plasma gas stream swirls as it leaves the torch to maintain a smooth column of gas. This swirl effect results in one side of a cut being more square than the other. Viewed along the direction of travel, the right side of the cut is more square than the left. To make a square-edged cut along an inside diameter of a circle, the torch should move counter clockwise around the circle.

  • Page 13: Troubleshooting

    Trouble Possible Reason Suggested Remedy 1.Power switch OFF 1.Turn power switch to the ON position Troublesh- Torch will not come 2.Air supply is not of sufficient volume 2. Check air supply (5 Bar, 150 L/min) or pressure 3. Attach to work piece or to steel table with 3.

  • Page 14: Cutting Gun Maintenance

    Maintenance & Troublesho- Warning: 1. Check the consumable parts for damage, if worn, replace it. 2. Turn off the power source before check or remove cutting gun parts. oting Note: When operating the torch in a normal condition, a small amount of gas vents through the gap between the shield cup and the torch handle, Do not attempt to over tighten the shield cup as irreparable damage to internal components may result.

  • Page 15: Electrical Schematic Drawing

    Electrical schematic drawing LKM Cut 60 Torch Technical Data Without High Frequency Amps Duty Cycle Gas Flow 150 lt/min. Pilot Arc Electrode to Tip Post Flow Time 60 sec. Coax Cable Type Central Adapter Rear Box CODE DESCRIPTION 24006 PLASMA TORCH LKM CUT 60 6MT CENTRAL ADAPTER 24008 PLASMA TORCH LKM CUT 60 12MT CENTRAL ADAPTER 22549...

  • Page 16: Lkm Cut 60 Torch

    LKM Cut 60 Torch...
  • Page 18 LOKERMANN Srl, Via Produzione 16/18, 37044, Cologna Veneta, (VR) Italy, Tel: +39 0442 1722469 lokermann@lokermann.eu -www.lokermann.eu...

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