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== Project Status == |
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=== 01/03/2020 - Latest! === |
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=== 01/05/2020 - Latest! === |
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Progress in SketchUp is going really well. The Bracket designs are starting to take shape. I'm assuming that they'll be made of 1/8" thick (~3mm) aluminum plate. Overall I'm fairly pleased with the project as it's coming along, though in watching other people's projects on YouTube, I certainly do have my doubts. Each of the 3 axis is basically resting on 4 linear bearings, each held in place with 4 m3 screws. I've done my best to make their stance as square as possible for maximum rigidity, but I still have my concerns. |
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I had the opportunity to speak with Keith Legg on New Years Eve, in regards to machining some of the needed custom brackets for the linear rod , motor, and threaded rod bearing mounts. That part of the equation is a resounding GO. |
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At the end of the day, it's all going to be made of metal, mostly aluminum extrusion with steel rods. While the machine will hopefully be capable of occasional milling of aluminum, the 'router' will still be a Dremel. The Doozer's more common use will be for milling materials that are much less resistant: Acrylic, ABS/PVC/Polystyrene Sheet, MDF, Pressboard, Veneer, and Balsa Wood. |
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This evening I re-inventoried my box of previously acquired components.. motors, rods, screws, and so on.. and I’m looking forward to returning to the design process with renewed enthusiasm. Looking forward to beginning finalizing the design, so I can finally begin BUILDING. |
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Soon, I hope! |
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Revision as of 13:44, 5 January 2020
Error creating thumbnail: Unable to save thumbnail to destination
| Yellow Tag Tool
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| Contact Owner Before Using
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🚨 This is an ongoing project, tool is not functional yet 🚨
Project Objectives
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The following is the list of design goals and hoped-for features.
Core Objectives
Secondary Objectives
- Clamping area should be able to accommodate a standard 9" x 12.5" clipboard, with the clip removed, whether or not it can mill that entire area.
Tertiary Objectives
- The footprint of the completed machine should not exceed 12.5" x 16.5" (to fit inside folding cart for easy transport)
Creeping Featuritis - Acquired Objectives
It's nearly inevitable when any suitably complicated project drags on, or even goes on hiatus. Eventually you're going to start daydreaming new ideas and features for the build. The Doozer was no exception to this. The trick is to try to make sure that the feature creep is actually a reasonable addition that can be missed out if need be, due to budget or skill constraints. The following is a lits of ideas that cropped up along the way, that made the cut.
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Project Status
01/05/2020 - Latest!
Progress in SketchUp is going really well. The Bracket designs are starting to take shape. I'm assuming that they'll be made of 1/8" thick (~3mm) aluminum plate. Overall I'm fairly pleased with the project as it's coming along, though in watching other people's projects on YouTube, I certainly do have my doubts. Each of the 3 axis is basically resting on 4 linear bearings, each held in place with 4 m3 screws. I've done my best to make their stance as square as possible for maximum rigidity, but I still have my concerns.
At the end of the day, it's all going to be made of metal, mostly aluminum extrusion with steel rods. While the machine will hopefully be capable of occasional milling of aluminum, the 'router' will still be a Dremel. The Doozer's more common use will be for milling materials that are much less resistant: Acrylic, ABS/PVC/Polystyrene Sheet, MDF, Pressboard, Veneer, and Balsa Wood.
Project Development History
⬇ Click here to expand section ⬇
01/03/2020
I had the opportunity to speak with Keith Legg on New Years Eve, in regards to machining some of the needed custom brackets for the linear rod , motor, and threaded rod bearing mounts. That part of the equation is a resounding GO.
This evening I re-inventoried my box of previously acquired components.. motors, rods, screws, and so on.. and I’m looking forward to returning to the design process with renewed enthusiasm. Looking forward to beginning finalizing the design, so I can finally begin BUILDING.
Soon, I hope!
09/20/2019
Email received from AliExpress. All components of the targeting laser assembly ( crosshair & dot lasers and USB power adapter ) are now in the hands of couriers in the USA.
Beata donated a 2-port USB power converter to the project after I'd ordered the single-USB version, so I may utilize the dual-port unit instead (one for each laser)
09/18/2019
All off-the-shelf structural components have been purchased, and have arrived. All components are measured and 3D modelled in SketchUp Make 2016. The 3 axis assemblies have been assembled in SketchUp.
Currently developing a modified 3D model of the tolerances of the aluminum extrusions, that model will help me easily create functional 3D-printed parts that fit properly.
Maximum workspace dimensions seem to be coming in at (305mm x 250mm x 180mm), which is approximately (12in x 11in x 7in). These are the maximum lengths that the linear rails and bearings can accommodate. I suspect these lengths will reduce somewhat as the actual gantry is designed.
What even is a ‛Doozer’?
⬇ Click here to expand section ⬇
The Doozers are a race of characters from Jim Henson's Fraggle Rock television series. Doozers love to work all day long. They're tiny, green creatures who usually sport construction helmets, boots, and tool belts. Doozers stand approximately knee-high to Fraggles, at six inches tall.
When compared to the other races within Fraggle Rock, they are by far the most technologically advanced. Most Doozers are construction workers, while others are architects or miners. With the help of various Doozer machines and vehicles, they build elaborate constructions all over Fraggle Rock, like towers, buildings, roads and bridges. Doozer constructions are the Fraggles' favorite snack, and they love to eat the buildings that the Doozers build. The Doozers don't mind their buildings being eaten -- if the Fraggles didn't eat the constructions, the Doozers would run out of building space!
