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Laguna Tools MCNC Plasma 48 x 48 Manual
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Laguna Tools MCNC Plasma 48 x 48 Manual

Laguna Tools MCNC Plasma 48 x 48 Manual

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Plasma CNC Manual
LAGUNA TOOLS
2072 Alton Parkway
Irvine, California 92606
Ph: 800.234.1976
www.lagunatools.com
© 2018, Laguna Tools, Inc. LAGUNA® and the LAGUNA Logo® are the registered trademarks of Laguna Tools, Inc. All rights reserved.
MCNC Plasma 48 x 48
MCNC Plasma 48 x 96
MCNC Plasma 60 x 120
Rev1 08/25/2014

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Summary of Contents for Laguna Tools MCNC Plasma 48 x 48

  • Page 1 MCNC Plasma 48 x 48 Irvine, California 92606 MCNC Plasma 48 x 96 MCNC Plasma 60 x 120 Ph: 800.234.1976 www.lagunatools.com © 2018, Laguna Tools, Inc. LAGUNA® and the LAGUNA Logo® are the registered trademarks of Laguna Tools, Inc. All rights reserved. Rev1 08/25/2014...

  • Page 3: Table Of Contents

    Table of contents. Page number Safety Rules Warranty Noise Emission Specification Sheet Receiving Your CNC Plasma Introduction to Your CNC Plasma Parts of Your CNC Plasma What You Receive with Your CNC Plasma Where to Locate Your CNC Plasma Unpacking Your CNC Plasma Assembly and Setup Machine Operation Maintenance and Troubleshooting...

  • Page 4: Safety Rules

    Safety Rules. As with all machinery, there are certain hazards involved with the operation and use. Using it with caution will considerably lessen the possibility of personal injury. However, if normal safety precautions are overlooked or ignored, personal injury to the operator may result. If you have any questions relative to the installation and operation, do not use the equipment until you have contacted your supplying distributor.

  • Page 5: Warranty

    Machines sold through dealers must be registered with Laguna Tools within 30 days of purchase to be covered by this warranty. Laguna Tools guarantees all new machines and accessories sold to be free of manufacturers’...

  • Page 6: Noise Emission

    You need to do this prior to the driver leaving. All damage must be noted on the delivery documents and signed by you and the delivery driver. You must then contact the seller, Laguna Tools, within 24 hours.

  • Page 7: Parts Of Your Cnc Plasma

    Introduction to CNC Plasma machines. The CNC Plasma is designed to give you years of safe service. Read this owner’s manual in its entirety before assembly or use. The advantage of the CNC Plasma machine is that it can, in most cases, fully machine the complete job without it being removed from the table so that you have finished parts of high accuracy that are totally repeatable.
  • Page 8 Parts of the CNC Plasma Caterpillar track Gantry Plasma head Controller/Electrical cabinet Oiler Frame Supporting feet...
  • Page 9 Caterpillar track Plasma head 1. Bed. The bed of the machine consists of a heavy steel frame with a steel supporting plates. The supporting plates are designed to give point contact with the job and are consumable as they will be cut by the plasma cutting head. 2.
  • Page 10 The caterpillar track runs along the side of the machine and across the gantry in a trough and carries all the electrical cables and gas pipes. 7. Oiler. The oiler connects to all the relevant slides on the machine and when pumped by hand will lubricate all the relevant slides.
  • Page 11 Unpacking your machine. Lock nut To unpack your machine, you will need tin snips, knife and a wrench. 1. Using the tin snips, cut the banding that is securing the machine to the pallet (if fitted). WARNING: EXTREME CAUTION MUST BE USED BECAUSE THE BANDING WILL SPRING AND COULD CAUSE INJURY.
  • Page 12 Assembly and set up. Cleaning the machine. The machine is shipped with the non-painted surfaces protected from rust by a film of grease. The grease must be removed with WD40 or similar, as it attracts dirt. The surfaces should then be coated with a 30W oil or wax and any excess removed. Electrical connections for the machine.
  • Page 13 Motor controller and other controls. Keep the motor controller and other controls as far from the plasma power supply as possible. Plasma Power Supply. Place the plasma power supply and/or remote arc starter at the rear of the frame. Keep the CNC computer controller as far from the power supply and/or remote arc starter as possible.
  • Page 15 Grounding Connections. Pilot arc starting generates a certain amount of electromagnetic interference (Called EMI). This is commonly called RF noise. This RF noise may interfere with other electronic equipment such as the CNC controller and other equipment in the vicinity. To minimize the RF interference the following grounding procedures should be followed when installation of the machine is undertaken.
  • Page 16 Fig. 2 Avoid stacking terminal lugs Testing for proper Grounding. To Test for a proper earth ground refer to the following diagram. Ideally, the reading on the multimeter should be 3 VAC for 115VAC or 1.5VAC for 230 VAC line. Note: Increasing the ground rod length beyond 20-30ft (6.1- 9.1m) does not generally increase the effectiveness of the ground rod.
  • Page 18 Shielding. Single Shield Method (Good): Connect the shield/drain of a shielded cable to ground at the sensitive equipment end and leave the other end of the shield disconnected. Cover all non-shielded cables with a tightly woven braided shield. Slide the shield over the cable leaving enough to slide back over the electrical connectors and terminate only the one end to the sensitive equipment side ground.
  • Page 19  I/O cables Open the ferrites clamp and pass 4 to 10 turns around one half of the core then close and snap the clamp shut. Ferrite cores are not recommended for use with braided shielding. Other:  If cables must cross ground wires or at worse case torch leads do so at 90 degree angles.
  • Page 20 Machine Operation. Home switches. There are three switches that determine the home position of the cutting head. The switches are factory set, and no adjustment should be required. If adjustment is required, contact your service technician prior to conducting any adjustment. X axis home switch Y axis home switch Z axis home switch...
  • Page 21 Control Panel. Emergency stop button Electrical On/Off switch Display USB socket The control panel houses the main interface to the machine. 1. Display. 2. USB socket. This is used to input programs into the controller. 3. Emergency stop button. To reset the emergency stop, twist clockwise and it will pop out. 4.
  • Page 22 8. Use arrow keys to select a file. 9. Press RUN button to go to the run screen 10. Ensure that you are cleared of the machine. Wear Proper flash protection for your eyes. 11. Press START button. The machine will start running the G code Turning on the Machine.
  • Page 23 Membrane Button Descriptions. Alarms. This is a page jump to the first Alarm Screen. Tools. This is a page jump to the first Tool Screen. Start. This button is for starting the program shown in the active Program screen. Hold. This button is used to pause a running program.
  • Page 24 Screen overview...
  • Page 25 Run Screen. 1) Homing the machine is the first step every time power is applied. No functions or actions can occur until homing is complete and successful. 2) (Active Program) field shows the current program loaded for run. 3) (Feed Rate) and (Spindle RPM) indicate the programmed rate and speed during a program run..
  • Page 26 Run 2 Screen.{PLASMA SET-UP,1) The following fields are propagated from the cut chart provided by your Plasma power supply manufacturer. NOTE: The settings are a starting point only. Metals vary greatly and so adjustments for total performance are generally required. 1) {PIERCE HEIGHT}: This is the distance the torch will ignite from the metal plate as detected by plate touch off that can occur before every ignition.
  • Page 27 7) {EXECUTE TOUCH OFF}: Pressing this button will make the machine find the top of the plate. Execution of touch off will slowly lower the torch until there is continuity between the Ohmic clip on the torch and the grounded plate on the machines table. Make certain the torch tip is clean and there is no scale or filth layer to inhibit continuity.
  • Page 28 Run Overrides Screen.(Plasma Setting’s,2) The green numbers are fields that can be used for entering a percentage above and below the programmed rates of feed and speed. The red numbered fields show the current rates of feed and speed. The field (RAPID) is used to restrict the machines feed rate by a percentage when a G0 (Rapid Move) is called in a program.
  • Page 29 Manual Screen 1 (Jog control). 1) (CONT. JOG) When pressed, selects a continuous jog mode based on the percentage of full speed chosen under (JOG SPEED). 2) (STEP JOG) When pressed, selects a step jog mode based on the resolution chosen under (STEP SIZE).
  • Page 30 Manual 2 Screen. 1) This screen is used for MIDI functions; this is when an operator needs to run a single line of G code at a time. This can do manual tool changes and move any axis to a specific location in the table.
  • Page 31 Manual 3 Screen. 1) The top three fields are for setting the Home speeds, from left to right is X, Y, and Z. 2) (SPINDLE DELAY) is the time the program waits for the spindle to become at speed before cutting begins. 3) (X, Y SPEED LIMIT) is the top speed the controller will rapid at when 100% of feed rate is required.
  • Page 32 Program Screen. 1) (Active Program) field displays the current program selection. 2) (ACCESS USB) Opens the inserted USB with stored programs. 3) (ACCESS CF CARD) Opens the list of stored programs on the controllers CF card. 4) (COPY) Button moves a program from either the network or the USB to the CF card on the controller.
  • Page 33 Coord's Screen. 1) (Machine Coords) is a drop-down menu to select which dimension set is shown in the X, Y, Z, and A axis DROs. The displayed references are for Machine Coordinates, Zero Point Offset (G54), and relative coordinates. 2) (RESET RELATIVE) is a built-in tape measure. By pressing the RESET REATIVE button, you will zero the X- and Y-axis DRO under relative coordinates display.
  • Page 34 Coord's 2 Screen. 1) This screen is used for exporting all user and factory machine settings in a machine settings .xml file for backup. This is needed if the flash card (operating system) is replaced or upgraded. Simply insert a USB memory stick and press export. A file called “machine settings” will be generated.
  • Page 35 Tools Screen. The tools screen is where the operator can turn on and off the various plasma function s built into the B+R controller. 1) (EXECUTE TOUCHOFF) Button starts a torch touch-off routine to measure the Torch to Plate {Z zero distance}. Pressing this button starts to lower the Z axis down until continuity between the torch tip and the Plate to be cut.
  • Page 36 small parts free with many separate ignitions. If Arc present is enabled the control system waits for arc present and if there is no signal the program faults out. This is also needed to be canceled if cutting with a torch or a system without the feedback signal.
  • Page 37 Tools 2 Screen. 1) (ZSPOIL) is used when there is a spindle present for standard routing. This is used to offset the tool length when required. 2) (ZHOME) This is a Negative dimension for the Torch distance from the Home switch. This is the Height the Torch will travel at between Moves within a program.
  • Page 38 Coord,s 3 Screen (coord,s set-up) 1) The left side fields are for setting the positive and negative limits of each axis’s travel. 2) The right side of the screen is used to set up a home network for file transfers and remote control via VNC from another computer on the network.
  • Page 39 The first screen represents CNC, System, and Machine faults. The second screen represents Axis errors. If the error cannot be reset with the (CLEAR ALL) button, then contact Laguna Tools Customer Service department for assistance.
  • Page 40 Getting Started. Ethernet connection. 1. Control panel 2. Network hub 4. Ethernet cable connected to screen 3. Ethernet cable 6. Ethernet cable connected to 5. Screen seen from inside of control network hub cabinet...
  • Page 41 Store IP address in safe place You need FILE ZILLA software to be able to transfer files. Real VNC viewer 4 to view machines on your computer Control Panel Back up Battery.. Battery cover removed Control panel battery compartment To replace the control panel has a backup battery. 1.
  • Page 42 M Code. Sync / Function Async Description Sync Predefined: Programmed Stop Sync Predefined: Optional Stop Sync Predefined: End of Main Program / Subprogram Sync Spindle On Sync Sync Spindle Off Sync Tool Changer - executes subprogram brtc.cnc Sync Sync Dust Hood Up On Sync Dust Hood Up Off Sync...
  • Page 43 Engages Slide Drills on SS2_MT_3SLIDES Sync Machine with Z-Offset Disable Z-Safe Position Offset and Disengage Sync Slide Drills Sync Rotates rack to empty position (tool in spindle) Sync Extends tool rack Sync Rotates rack to new tool position Sync Retracts rack Sync A Axis free run - MoveVelocity command Sync...
  • Page 44 G Code.
  • Page 47 Maintenance. As with any machine, to ensure optimal performance, you must conduct regular maintenance. Torch Maintenance. See the torch manual that is supplied with the torch. Lubrication. You must regularly (minimum every 12 hours) lubricate the bearing surfaces and the ball screws.
  • Page 48 Position of Home Switches. The home switches are activated by proximity to steel items and can be tested by placing a screwdriver or something similar on the activation face (top). When activated, an LED should light. If the LED does not come on, the switch or wiring is faulty. Oiling the Machine.
  • Page 49 Components inside the Electrical Control Box. B& R controller PLC rack Termination block Drivers...
  • Page 50 Front electrical panel [Variable Frequency Drive] 72V p.s. Breaker Fuses 24V power supply Main Isolation switch EMI filter...
  • Page 51 Troubleshooting. Machine will not start. 1. Check that the start switch is being pressed full in. 2. Check that the red emergency stop switch is fully out. 3. Check that the electrical power cord is plugged into the power outlet. 4.
  • Page 52 1. Machine not level. Re-level the machine, ensuring that it has no movement. Machine will not home. 1. Are the home position sensors connected, damaged or out of adjustment? 2. Are the parameters in the controller correct? 3. After completing the job, press OK button and check if the cutting head returns to the home position? Jobs are not cut consistently.
  • Page 53 1. Controller cable loose. 2. Drive wires loose or damaged. 3. Controller damaged. 4. E-stop is not in the out position. Re-set the E stop. For technical support contact Laguna Tools at 1-800-234-1976 email Laguna Tools Customer Service at customerservices@lagunatools.com...
  • Page 54 Vcarve Pro software The following is a document outlining the basics of Vcarve Pro for posting code to the Laguna Plasma machine with B+R controller. There are many Vectric videos and tutorials available on your CD and online to further your skills in the software. Laguna offers several video’s on their website for cutting examples as well.
  • Page 55 Let’s add a graphic to the work area to be cut. You can either draw in Vcarve or import vectors or DXF files created in other drawing software.
  • Page 56 NOTE: In order for a plasma CNC to create a sharp point as needed in this star graphic we must add a pass by vector using the fillet command built into the software.
  • Page 57 Now with the graphic adjusted we need to configure the Profile toolpath. NOTE: You must cut on the line when using the Plasma fillets so it does not try to cut the pass by loops independent to the star graphic. When Cutting parts to size then cut either inside or outside the line depending on your application.
  • Page 61 NOTES; 1) Tool Diameter is defined in the Plasma Cut Charts. Look up your amperage and material thickness for the plasma flame diameter (Kerf) 2) Cutting parameters have no effect on Plasma cutting because the Z axis moves are handled in the machine controller. Vectric however needs these fields filled in, so use what is shown to make the field’s happy.
  • Page 62 1) Select the Plasma tool you just created. 2) Select on the line cutting for this example. 3) Leads are added to have the arc stable before entering the finished parts cutting area. .3 to .5 of an inch depending on your application and material. 4) Select the graphic to be cut.
  • Page 63 NOTE: The start point has to be adjusted in order to get a proper lead. This is done using node editing shown below. SELECT NODE EDITING SHOWN BELOW;...
  • Page 64 AFTER SELECTING THE NODE EDITOR, CLICK ON THE VECTOR YOU WISH TO MODIFY AND THE CURRENT NODES WILL BECOME VISIABLE, Shown Below; 1) While in Node editing right click on a straight portion of the vector and select, (Insert a Point).
  • Page 68 NOW that the tool path is corrected and a useable lead is present, you need to save the tool path to create the G-code using the Plasma Post Processor. AS SHOWN BELOW:...
  • Page 71 Plasma CNC Install Check List Form The following checklist must be completed and faxed to the Laguna Tools before the install will be scheduled. Failure to have all of these items addressed prior to Laguna Tools Technician arriving will result in additional charges.
  • Page 72 Checking ground for proper conductivity is essential to eliminate high frequency problem. 7. Have enough Consumables to run estimated production for 30 days. Determine what types and thickness of material and gases used to be cut or Laguna Tools will be glad to suggest which consumables to order.
  • Page 73 Machine drawing. Note: The wiring may vary from the following drawings dependent on the options that you ordered Need the electrical Drawings if available What is plasma? Plasma is a gas heated to an extremely high temperature and ionized so that it becomes electrically conductive. Plasma arc cutting uses the plasma as an electrode to transfer a electrical arc to the work piece.
  • Page 74 Better parts life than air Better cut surface than air on Conventional thin non-ferrous non-ferrous Faster cutting on thicker SS and Thicker non-ferrous aluminum >½” aluminum Weld ready cut surface > ¾” stainless H35 = 65%Ar / 35%H Economical cost of operation Conventional mild steel Good cut quality Economical cost of operation...
  • Page 75 Cut charts Thermal Dynamics provides a cut parameters chart for every process and output current combination. Material Current Level Process Consumable Kerf Parts Size Pierce Data Gas Control Settings Arc Voltage for Torch Height Control Plasma Marking Parameters...
  • Page 76 Consumable parts Parts selection Consumable parts are specifically designed to perform in specific conditions. Using the wrong consumable parts will result in short parts life and poor cut quality. Use the cut charts to determine which consumable parts to use in any specific application.
  • Page 78 Consumable Parts Life Tips and electrodes wear under normal usage. Tips and electrodes should be changed before failure to avoid damaging the other consumable parts or the material to be cut. Optimum life will vary according to specific cutting conditions. Keep a count of cuts per set of tip and electrode in a given application to establish the most effective time to change consumable parts sets.
  • Page 79 Cut characteristics Cut Surface – Cut surface is influenced by process and positioner precision more than by other parameters. For smoothest cut face on different materials, use: mild steel – oxygen plasma stainless < ¾’ – nitrogen / WMS > ¾” – H35 / nitrogen aluminum <...
  • Page 80 Effect of Height Control Settings – General Purpose Cut Nitride contamination – Air plasma cutting will produce nitride contamination of the cut face on carbon steel and stainless steel. Nitride contaminated surfaces will require grinding before welding to eliminate weld porosity. The depth of the contamination will be close to the Heat Affected Zone, between .005 and .010”...
  • Page 81 Aluminum Cut speed too fast Cut drag lines are more than 15 degrees trailing the torch (torch movement right to left) High speed bottom dross, easy to remove Cut speed correct Cut drag lines trail are visible, but cut surface is smooth No dross Cut speed too slow Cut drag lines are more pronounced and cut surface is rougher...
  • Page 82 Stainless Steel (H35 plasma) Cut speed too fast Gold heat discoloration swept in both directions Cut drag lines more than 15 degrees trailing High speed bottom dross, hard to remove Cut Speed correct Smooth cut surface No dross Cut Speed too slow Heat discoloration is concentrated in the bottom half of the cut Hard bottom dross, hard to remove...
  • Page 83 Mild Steel (O plasma) Cut Speed Too Fast Trailing cut drag lines Light bottom dross, hard to remove, some top spatter Cut Speed Correct Cut drag lines near vertical No dross Cut Speed Too Slow Cut drag lines lead the torch Heavy bottom dross, easy to remove...
  • Page 84 Mild Steel (Air plasma) Cut Speed Too Fast Cut drag lines curve and trail torch movement High speed bottom dross, hard to remove Cut Speed Correct Cut drag lines near vertical Minimal dross Cut Speed Too Slow Cut drag lines vertical or leading the torch head Thicker bottom dross, easy to remove...
  • Page 85 Piercing Piercing causes the molten metal to form a puddle on top of the plate. On thicker plate, pierce height is calculated to keep the torch away from the plate so that the molten metal does not adhere to the consumable parts and shorten parts life.
  • Page 86 Cutting Circles Circle cutting demands precise motion control and circle cut quality will vary as the circle diameter approaches the thickness of the plate. In general, a circle that is equal in diameter to the thickness of the plate being cut is the minimum circle diameter possible.
  • Page 87 /Water Mist Secondary®™ In this process, tap water is used instead of a shield gas. The water is vaporized as it passes through the torch head and a portion of the molecules separate onto hydrogen and oxygen. This vapor protects the cut surface from ambient air contamination and eliminates nitriding in the cut surface.
  • Page 88 Power Supply Status Codes Auto-Cut and Ultra-Cut systems display system status codes that are useful for optimizing system performance and for troubleshooting. The status code is displayed on the power supply front panel. The Status Indicator flashes a 2 part code that indicates the status of the system. When the Status Indicator is dark the system is ready to cut.
  • Page 89 Status Indicator Codes...
  • Page 92 Scheduled Maintenance Lubricate Torch Cartridge O-Rings An O-ring replacement kit with both torch and cartridge rings is available, catalog number 9-9488. Coolant Torch coolant becomes conductive with use and eventually will cause a shorted torch condition. Torch coolant should be replaced every six months. Also remove and clean the external coolant filter and the smaller filter located near the flow sensor.
  • Page 93 Periodic Maintenance Troubleshooting Torch Coolant Leaks...
  • Page 94 Technical Service Contact Numbers Thermal Dynamics Technical Service is available for telephone or e-mail support. Technicians are available to assist with installation, application and repair issues. Technical Service Toll Free – 1-800-PLASMA2 (752-7622) Automation Technical Service – 1-888-832-3477 Automation Customer Care – 1-866-279-2628 General Customer Care –...
  • Page 95 Laguna Tools is not responsible for errors or omissions. Specifications subject to change. Machines may be shown with optional accessories. © 2018, Laguna Tools, Inc. LAGUNA® and the LAGUNA Logo® are the registered trademarks of Laguna Tools, Inc. All rights reserved.

This manual is also suitable for:

Mcnc plasma 48 x 96Mcnc plasma 60 x 120