Pull the chain very tight. We will never admit how much time we spent searching for tools. I understand that most Chinese laser cutters do not function properly upon delivery, but with minor repairs they can be made to function as well as the laser I am about to describe, with far far less work and with a similar amount of financial investment.About CO2 lasers E.g. The smaller of the two large holes needs to be tapped with a ½ pipe tap and a ½ inch 90 degree polyethylene adapter needs to be threaded in. Direct Capture method now available! Local hardware store. * 3/16 acrylic sheet Spin the threaded rods to level the table relative to the XY table. The alignment of the motors is defined at the factory and is difficult if not impossible to restore at home. Drill through the marks through all 3 sheets of wood with a 3/16 drill bit. The XY table must be straight, or you will not be able to align the beam in all locations to the laser head. Remove large sliding contraption. * Acrylic $20 Adjust mirror with thumb screw to get the beam to fire approximately to the other mirror. Do not move the piece of wood. This is really awesome and very hands on and cool, but it's also awesome to buy a laser cutter which costs as much as buying the parts. Defiantly take your time here. on Introduction. * Doors and windows should be closed Have a look at the instructable here or watch the video below. 7 years ago Slowly cut the platters making sure not to press to hard which might distort the platters as you cut them. * Polycarbonate $50 Drill an identical hole on the right side aluminum angle iron. Do not tighten. You should not work alone. Push the rod all the way into the end of the pulley on the large stepper motor. 99 $31.99 $31.99. Make cool designs and surprise your friends. On the rod, slip on a bearing, pulley, 3 more bearings, pulley and another bearing. Remove clics from the XY table and drill out marks with a ½ inch drill bit. Clean off spray paint with isopropyl alcohol applied to a sheet of paper towel. Triumph 50w Fiber Laser Marking deep Engraving Machine Metal polymers Parts Marker Engraver Rotary jewllery Silver Cutting Firearms 110x110 and 200x200mm Lens. Share it with us! Let the airline cool. Tighten each loop until the belts are taught. * Fire: The laser used here can set objects on fire without your knowledge through a reflection of the beam.Whenever the laser system is powered: I tried not to go on and on, but I have personally seen 18650s explode and shoot across the yard and catch a tree on fire. * blow dryer/heat gun Do a good job and keep everything square and flush. Decide what material you want to cut or engrave. Remove the mirror mount, drill the holes and install the mirror on the Y axis bearing block. There should now be 2 linear bearings on the linear bearing track. One for each end of the battery and the output terminal (new posiive terminal) so are easily connected up. Mark all mounting holes on linear bearing on to aluminum angle iron with a permanent marker. The tracks must be perfectly straight on the angle iron, or the laser cutter will not make straight cuts. Flush up the edges of the bearing block with the edge of aluminum angle iron. Tighten all set screws on all pulleys. Do this to all holes on the top and bottom sheets. Align tracks to insure 1/16th of an inch clearance between linear bearing blocks and aluminum angle iron in all locations. Take 2 bolts and fix a nut in them upto the head. You may want to wear gloves because there is a possibility you may cut yourself. * Blower $93 Home Depot. Hammer in 4 threaded inserts into newly widened holes Now, use this tool to cut styrofoam and thermocol effectively without any efforts. Take the 44 X 22 X ¾ sheet of plywood and mark the center of sides on all sides. 2 years ago. Mirrors and Optics: Congratulations. 2 years ago Repeat for other 22 7/8 piece. * propane torch Remove 1 screw from each linear bearing assembly. * 3/16 acrylic sheet Laser cutters can cut and engrave wood, plastic, cardboard, foam, fabric, and thin sheets of metal. Electric foam cutters, commercially available are quite expensive and not everyone requires such professional tools for hobby projects. Make cool designs and surprise your friends. 2 years ago. Line the bottom sheet up with the top sheet. * 8 pieces 5/16 ball bearings. Just wanted to say thank you. FREE Shipping by Amazon. If you purchased a lens with a 2.5 inch focal length, set the distance between the laser head and the 3/16 sheet of acrylic using the threaded rods to 2.5 inches. * 1/2 npt pipe tapCosts If the output of the laser tube is higher than the tube, remove the clics from the tube and sand them down with a palm sander and coarse grit sand paper. Insert a 18650 Li-ion cell in the holder and press the switch to heat the wire. Everything in the circuit remains same except the battery. Take a linear bearing track assembly and remove the blocking cap on one side. Pull the two razors apart to open the ball. https://rover.ebay.com/rover/1/711-53200-19255-0/... https://rover.ebay.com/rover/1/711-53200-19255-0/1... Take a 18650 Li-ion battery holder and a push button switch. While holding both nuts on a threaded rod, heat the rod to cherry red using your favorite propane/map gas torch. Did you make this project? * 1 large NPN transistor (TIP122). * 4 piece cash register linear bearings. * 2 sheets of 27 ½ X 16 ½ X ¾ plywood for sides. Put 2 drywall screws through the top piece of wood in to the bottom piece of wood in any location to fix the two pieces of wood together. Repeat this for the other 3 threaded rods. Remove the right side. 4.4 out of 5 stars 1,586. * 1/2 regular drill bit Line the center mounting hole up with the 11 7/16 mark you made on the 22 7/8 aluminum angle iron. Home Depot. When you drill this, you must drill perfectly perpendicular to the top surface meaning the drill must go straight down with no angle in any direction except straight through the wood. * 5 1/4 watt 1 k resistors. Take a drywall screw and screw it through the bearing. Do the same for the other scanner. The battery exploding or catching fire is the result of not doing this.Maximum safe discharge current is given by the "C" rating of the battery. Insure both non blocked off sides of the linear bearing tracks are touching face to face with absolutely no gap between them. Any material containing chlorine cannot be used due to the toxic fumes they produce. Put it in a vise and drill a 3/32 inch hole completely through the sprocket part of the pulley 1/8th of an inch from the edge of the pulley. Push the bolt through the newly drilled hole in the aluminum angle iron. Thunder laser cutter is very suitable to cut foam materials. Feel free to undo one of the top nuts on the threaded rod to allow unrestricted access to the plastic gear. Cover the floating table with tin foil. I got 4 out of a single platter. Attach 4 inch blower to enclosure. Place the laser tube in the back of the enclosure and center it in the enclosure. I apologize in advance, this is my first instructable and I am not the best writer. Remove the belt and the pulley in your hand. Secure the connections with the hot glue. Do not solder to the tube. I still have a lot of work left to do, but as of today I am able to input files and watch it go. Slip both short belts over the rod and push the solid rod through the hole on the other side of the XY table. Cover large and small stepper motors with masking tape except for mounting face. Close the split ball with pliers. Put the XY table on top of the floating table remembering to keep all the orientations the same as when you drilled the holes through all the sheets of wood. Mark all mounting holes from linear bearing tracks on to aluminum angle iron. It cannot go through the rear wall as the laser tube will be installed there. * 1 solder bread board. * Sliding door bearings $34 Remove all linear bearings from one of the tracks and remove 1 from the other track. Push connectors on the laser tube electrical connections. There … I agree. Line up both tracks so the faces meet at the mark you drew on the aluminum angle iron. From Home & Local Store: 2 x Nuts & Bolt (1"), Super Glue and connecting wires. How difficult would it be to build this laser cutter with a 4X8' cutting bed? what i want to do is cut out compartments with a big block of Foam and keep the block that would come out. Avoid PVC, vinyl, and printed circuit boards. As you separate the pieces of wood, mark the relations of the wood to each other. When you want a laser cutter and engraver that will look right at home with your home office or place of business and doesn’t have the industrial feel as nearly all the other options on this list, the Glowforge Plus 3D Laser Printer is perfect for you. If you are using a 24 volt solenoid, you can use the 24 volt fan output on Hobby CNC as your power source for the solenoid. Set the Hobby CNC for 4 micro steps per full step. Make sure that this is perfect on all sides. Too much cannot be said. Tighten both nuts well. Slip the ball chain around each threaded rod. Take the long belt and put it around the motor pulley. Repeat this for another linear bearing track assembly. Install the left and right side. That is why it is important to use a TP4056 charging module with protection. Insure the laser is parallel with the back of the enclosure. Cut a hole for the stepper motor on the left side if it doesn’t fit. I once worked in a laser-cut factory and we had stainless and aluminium that had a plastic film to reduce / eliminate reflection. Connect the limit switches to the Hobby CNC. This can instantly kill you. About: Hello Guys, I am techgenie, an Electronics hobbyists, tech tinker and developer. Did you make this project? It doesn't say what the specific kind of foam is used for the layers in the catalog, but it looks like what you get inside of a tablet case when you buy one that uses a foam spacer where you'd put your tablet. Find a clever way to attach the access door to the front of the enclosure. Put the block at the end of the linear bearing closest to the large stepper motor. Place sliding contraption back on wood. Take the two remaining linear bearing track assemblies and remove blocking caps from both. 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