Changes for page Desktop Waterjet Cutting
Last modified by Zaara Hashmy on 2026/03/16 19:22
From version 11.5
edited by Zaara Hashmy
on 2026/03/16 18:29
on 2026/03/16 18:29
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To version 6.2
edited by Zaara Hashmy
on 2026/03/02 19:14
on 2026/03/02 19:14
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... ... @@ -1,11 +1,7 @@ 1 1 |=((( 2 -((( 3 -WAZER Desktop Waterjet Cutting Machine 4 -))) 2 +{{{WAZER Desktop Waterjet Cutting Machine}}} 5 5 6 -((( 7 7 [[Specs>>https://www.matterhackers.com/store/l/wazer-desktop-waterjet-cutter-machine/sk/MVN5VKM5]] 8 -))) 9 9 )))|=Working Area 10 10 (LxW)|=(% style="width: 376px;" %)Max Allowable Working Pressure|=(% style="width: 307px;" %)Max Working Flow Rate 11 11 |[[image:WazerPhoto.png||alt="omtechaf3555.jpeg" width="200"]]|((( ... ... @@ -21,11 +21,13 @@ 21 21 (1.7 L/min) 22 22 \\(at 4,000 psi) 23 23 20 +While CO2 laser cutters can cut a variety of materials, we stock sheets of Acrylic and Birch Plywood in 12x24 inch sizes, and 1/8" and 1/4" thicknesses. Keep in mind these dimensions are nominal, and may not be precisely accurate. 24 24 22 +== == 25 25 26 26 = About the Waterjet = 27 27 28 -[[Waterjet cutting>>https://en.wikipedia.org/wiki/Water_jet_cutter]] is the process of using a high pressure jet of water to cut a material. 26 +[[Waterjet cutting>>https://en.wikipedia.org/wiki/Water_jet_cutter]] is the process of using a high pressure jet of water to cut a material. --laser to vaporize a material, so that the laser beam cuts through the material. When this is combined with a CNC tool head and both power and speed are balanced properly, this process allows the user to create flat parts from sheets of material, using 2D CAD drawings.-- 29 29 30 30 The waterjet has a hydraulic power output of 820 W. There are a variety of materials that the waterjet can cut, example of allowed materials include acrylic, agate, aluminum, borosilicate, brass, carbon fiber, ceramic tile, copper, gabbro, fused glass, graphite, granite, HDPE, marble, memory foam, mild steel, neoprene, polycarbonate, polyethylene, polyurethane, porcelain tile, silicone, spring steel, stained glass, stainless steel, titanium, and tool steel. Materials that are water soluble or shatter under high pressure are not suitable for waterjet cutting. 31 31 ... ... @@ -64,7 +64,7 @@ 64 64 65 65 **Rotation:** the angle which the part needs to be rotated to 66 66 67 -**X & Y positions:** The top left of the screen represents 0 .All XandYmovements arefromthe top left ofyourpart.65 +**X & Y positions:** The top left of the screen represents 0, and all movements are positive. The top left of a selected part can be moved to a specified position. 68 68 69 69 **Scale:** Scale of parts can be changed by any magnitude 70 70 ... ... @@ -72,96 +72,109 @@ 72 72 73 73 (Be aware of total physical space that the waterjet will occupy on a material, taking into account the width of the cut itself (kerf) ) 74 74 75 -[[image:1772478615037-166.png ||height="266" width="554"]]73 +[[image:1772478615037-166.png]] 76 76 77 77 == Materials Selection == 78 78 79 79 Using the first dropdown menu, select the material category. Using the second dropdown menu, select the specific material you are cutting. If the specific material is not listed, consult an RPS studio staff member. Once category and material type are selected, input the material thickness in either millimeters or inches. 80 80 81 -[[image:1772478775055-319.png ||height="264" width="550"]]79 +[[image:1772478775055-319.png]] 82 82 83 83 == Cutting Path Adjustments == 84 84 85 - Changethecuttingpathtomatchthedesignofyourfile.83 += Machine Setup (not done :0 ) = 86 86 87 - **Outside:** Partwillbe cutoutsidethedesignatedlinesbya usergivenoffset.85 +The Long focal length lens in our large-format OMTech laser cutter allows for more efficient cuts in thicker materials. However, this comes at the cost of a slightly large spot size, and thus, less fine engraving abilities. 88 88 89 - **Centerline:** Part willbecut directlyon the lines ofyour part.87 +Use the table below to input the correct values for your material. Note that for engraving, the thickness does not matter, because it won't cut all the way through. We also have sample engravings at various settings in the RPS if you would like to change the depth or darkness of the engraving. Keep in mind that the depth and color might not be exact, as they depend highly on laser focus and various other environmental parameters that cannot be controlled. 90 90 91 -** Inside:** Part will be cutinsidethe designatedlines by a user given offset.89 +**Cutting Table** 92 92 93 -**No Cut:** Lines will not be cut 91 +|=**Material**|=Speed|=Max Power|=Min Power|=Passes 92 +|1/8" (3 mm) Birch Plywood|45 mm/s|70%|35%|1 93 +|1/4" (6 mm) Birch Plywood|15 mm/s|70%|35%|1 94 +|1/16" (1.5 mm) Cast Acrylic|90 mm/s|70%|20%|2 95 +|1/8" (3 mm) Cast Acrylic|55 mm/s|70%|20%|2 96 +|1/4" (6 mm) Cast Acrylic|20 mm/s|70%|70%|2 97 +|1/16" (1.5 mm) Buna N Rubber|80 mm/s|70%|20%|1 94 94 99 +**Engraving Table** 95 95 96 -[[image:1773683954161-404.png||height="254" width="527"]] 101 +|=**Material**|=Speed|=Max Power|=Min Power|=Passes 102 +|Birch Plywood|475 mm/s|50%|35%|1 103 +|Cast Acrylic|550 mm/s|20%|20%|1 97 97 105 +Settings can be changed within Lightburn or on the physical OMTech Laser in the highlighted portion on the display screen. Please consult with a technician before changing speeds and power on the machine. 98 98 99 -== Tabs and Leads == 100 100 101 - Tabs area connectionpoint between your partand where it'sbeing cut on the material.Tabs keep yourpart inplace while being cut, andimprovetheoverall cutaccuracybypreventingyour partfrom poppinguporout of place. The default settings arethat all cut paths receive a singletab, withthesize based on the material,however tabs can be manually adjusted as well.108 +[[image:omtech12.jpg||alt="https://wiki.rapidprototypingstudio.com/learning/omtech12.jpg" height="40%" width="40%"]] 102 102 103 - ALeadrefers to the distance that a cut willmadeaway from the Cut Path. This is done to make sure that the pierce at the start of a cut does not remove any excess materialon your part. TheLead’slocation and sizearedesignated with a blueindicator.110 +== Dremel Laser Settings == 104 104 105 - [[image:1773683858499-270.png||height="255"width="534"]]112 +All settings are preset within the Dremel's IP address site. 106 106 107 - [[image:1773683891726-308.png||height="257"width="534"]]114 +== Unsafe Materials for Laser Cutting == 108 108 109 -== Cut == 116 +* ABS 117 +* Beryllium oxide 118 +* Carbon 119 +* Chlorinated plastics 120 +* Coated carbon fiber 121 +* Coated materials 122 +* Epoxy-based or phenolic resins 123 +* Fiberglass 124 +* Fluorine-based plastics: 125 +** PTFE (Teflon) 126 +** Fluorinated ethylene propylene (FEP) 127 +* Galvanized metal 128 +* HDPE (High-Density Poly Ethylene) 129 +* Leather, Artificial or Chrome tanned 130 +* Materials containing: 131 +** Astatine 132 +** Bromine 133 +** Chlorine 134 +** Fluorine 135 +** Formaldehyde 136 +* Wood containing: 137 +** Flame-retardants 138 +** Halogens 139 +** Iodine 140 +* Wood that has been: 141 +** Coated 142 +** Fumigated 143 +** Pressure-treated 144 +** Stained 145 +* Mirrored surfaces 146 +* Nylon 147 +* Painted material 148 +* Varnished materials 149 +* Particleboard, paneling 150 +* Polycarbonate 151 +* Polychloroprene (CR or chloroprene rubber, marketed under the brand name Neoprene) 152 +* Polypropylene foam 153 +* Polypropylene sheet 154 +* Polystyrene foam 155 +* Polyurethane 156 +* Polyurethane foam 157 +* Polyvinyl chloride (PVC) 158 +* POM Delrin/acetyl 159 +* Rubber 160 +* Styrofoam 110 110 111 - Thereare three setting selectionsfor cutquality: Coarse, Medium, andFine.162 +== Post Processing == 112 112 113 - CutRateand Cut Quality have an inverserelationship; afasterCut leadsto lower quality, andbetter qualityrequires a slower Cut.164 +**Required PPE** for woods and acrylic: 114 114 166 +* None 115 115 116 - ==168 +Once the job has concluded, allow the fumes to be vented for a minimum of 10 seconds. Please note that woods will have charring which is not harmful but may transfer to your hands or anything else it touches. If desired, you may sand the wood with the sandpaper we have in stock or use a sander. For acrylic sheets, peel off the protective film once ready for personal/project use. 117 117 118 - = MachineSetup=170 +**Required PPE** for rubber: 119 119 120 - ==TurningMachineOn ==172 +* Latex or Nitrile gloves 121 121 122 -1. Place SD card with part file into the right side of the wazer jet machine. **(SD cards are not provided)** 123 -1. Twist the E-Stop button to where it releases, the screen should begin to turn on. 124 -1. Check that the button on the bottom right of the machine is set to "On" (if screen is still not turning on, consult a staff member) 174 +[[image:ppe_gloves.png||height="100"]] 125 125 126 - ==SettingUp==176 +Once the job has concluded, allow the fumes to be vented for a minimum of 30 seconds. Please note that rubber materials will char as well and it is best practice to wear gloves while handling them. Rinse the rubber cuts under water to wash off as much charred edges as possible. 127 127 128 -1. On the starting screen there will be two options, "Select Cut File" and "Setup & Maintenance". Press the OK button to Select the Select Cut File option. 129 -1. Scroll down until the cursor is next to the file you created earlier, and hit OK 130 -1. Loosen the Nozzle securing knob, pull the nozzle up, and retighten the nozzle securing knob, press OK to home the nozzle 131 -1. Fill the grit hopper on the left side of the machine, hit OK 132 -1. Check to make sure the blue water valve is in line with the vertical pipe, hit OK 133 -1. Secure the material to the cut bed using the screws and a screwdriver, hit OK 134 -1. Now that the arrow keys can be used to move the nozzle over the material, remove the plastic cover off of the cutting head. 135 -1. Loosen the nozzle securing knob, and place the tab side of the plastic cover underneath the nozzle. 136 -1. Lower the nozzle until it makes contact with the plastic tab, and tighten the nozzle securing knob and place the plastic cover back on top of the cutting head. Hit OK. 137 -1. The next screen will have several options. Before doing anything else, **move the origin to the location of your choosing** 138 -1*. Move Origin - allows you to move the origin for the program to a location of your choosing. **DO THIS FIRST.** 139 -1*. Cut - sends you to the next screen where you must press the Start button to begin cutting. 140 -1*. Dry Run - Follows the exact cutting path of the program without firing the waterjet. 141 -1*. Check Extents - Outlines the bounding box of the area being cut 142 -1*. Restart cut - if the cut fails or stops in the middle, this will restart the program in the Dry Run state and will allow you to resume the cut at any point along the program. 143 -1*. Cancel - sends you back to the starting screen. 144 - 145 -== Run Part == 146 - 147 -***You must remain with the machine for the entirety of the cut* ** 148 - 149 -* It may be necessary to refill the water in the machine before running. Use the white 3 gallon bucket to pour more water into the tank directly. The water level should sit right below the surface of the bed. 150 -* Monitor the level of the grit while the part is running, if it's running low, machine will automatically stop the cut and shut off. 151 -* It is recommended to keep the hoppers topped off 152 -* If water starts pouring out from under the hoppers, the machine is having a backflow problem, **SHUT IT OFF with the E-Stop and notify RPS Staff.** 153 - 154 -== Clean Up == 155 - 156 -1. Remove your part and any excess material from the bed. 157 -1. Clean material and part(s) off by dunking them in the grit catchers/water bucket. **DO NOT wash grit down the sink.** 158 -1. Pull the grit catchers out and drain the excess water back into the tank. 159 -1. Once the majority of the water is drained, dump the grit into the orange 5 gallon bucket 160 -1. Place the grit catchers back into the machine. 161 - 162 -== == 163 - 164 -== Required PPE == 165 - 166 -* Close toed shoes 167 -* Eye glasses/goggles 178 +If you need assistance, RPS staff are always present to help with advice! **Please ensure that you return hand tools to their proper locations, and turn off the machine once use is complete.**
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