Maker Resources How to Make Better Glorious Nation
Maker Resources How to Make Better Glorious Nation of using Computer-Aided Design, Digital Fabrication, and Rapid Prototyping charles z. guan dragon*con 2016 robotics & makers track Maker Resources A primer on modern resources available to the mechanical hobbyist, with emphasis on making better devices through computer-aided design and engineering and accessible digital fabrication resources. Design it Why design before you build it? Computer Aided Design software : Mechanical, Electronic Fab it Using your CAD output for digital fabrication processes
Making the 3D from the 2D and machine design techniques Source it Industrial, hobby, and maker-oriented vendors Read it Build blogs, Instructables, index sites charles z. guan dragon*con 2016 robotics & makers track About Me Engineering hobbyist since 2001 Dragon*Con attendee since 2002, competed in Robot Battles since 2003 Mobile projects (robots, electric vehicles)
MIT Mechanical Engineering 2011 BattleBots 2015-2016 (ABC) charles z. guan dragon*con 2016 robotics & makers track Everyone builds something like this at least once charles z. guan dragon*con 2016 robotics & makers track Why CAD? Beginner Intermediate Draw shapes, sketch your ideas, make
templates to cut out parts manually Create 3D mechanical parts, mate and simulate motion, export digital fab files, technical drawings Advanced Fully integrated 3D models including wiring harnesses, fluidic systems. Flow simulation, injection molding simulations. Computer Aided Engineering charles z. guan dragon*con 2016 robotics & makers track Design it: Mechanical CAD Free: Autodesk Fusion 360 Best feature set currently.
OnShape Cloud freeCAD OS, being developed Not So Free: Solidworks (student license) $150 Autodesk Inventor (student license) Free 3yr with .edu or other affiliation Rhinoceros (25-save trial) Not even 3D: Inkscape, Corel, Illustrator charles z. guan dragon*con 2016 robotics & makers track
Design it: Electronics CAD Eagle (commercial w/ hobby license) Free version lets you design up to 4 x 3 boards, 2 layers KiCAD (os) Well-featured open source with large community and expanding features FreePCB (OS) Fritzing (OS) more novice focused DipTrace , Altium Vendor-specific
(ExpressPCB, PCBArtist...) Fabrication services No schematic design, just layout charles z. guan dragon*con 2015 robotics & makers track Fab It: Rapid Prototyping and Digital Fabrication Digital Fabrication A family of computerized processes making (generally) 2D shapes using a dedicated machine with a single tool Rapid Prototyping A family of techniques used to quickly move from concept to functional prototype, which can be used to iterate designs quickly
Now available at dealers near you! charles z. guan dragon*con 2016 robotics & makers track Fab It: Laser Cutting High-powered laser (30 - > 1000+W burns away material selectively. Highly versatile from paper to shipyards Usually wood, plastic, but also metals Some materials cannot be cut using this process Most accessible Vendors:
Big Blue Saw (hi Simon!) Pololu Ponoko charles z. guan dragon*con 2016 robotics & makers track Fab It: Waterjet Machining A high-pressure (60,000+ PSI) water stream with abrasive mixed in Cuts very thick metals, pre-hardened metals like tool steel, stone, glass (untempered), ceramic Exotic process, now becoming accessible
Vendors Big Blue Saw Whyachi charles z. guan dragon*con 2016 robotics & makers track Fab It: 3D Printing Stacking layers of 2D prints to make a 3D project. Common techs: FDM / FFF Lays down noodle of plastic SLA / Stereolithography Cures a goo via focused laser or scanned UV image SLS / Selective Laser Sintering. Melts powder together with large
laser Low cost market is developing Vendors: Shapeways 3DHubs Sculpteo charles z. guan dragon*con 2016 robotics & makers track Fab It: Making 3D from 2D Availability of 2D processes plus some creativity on your end = robust 3D machinery without touching a single machine tool
Adaptation of woodworking techniques and sheetmetal working techniques Gussets, trusses, I-beam, weband-flange Mortise and tenon joints (slot and tab) T-nut, Pettis Joint, etc. fastening. How to Build Your Everything Really Really Fast: Written for MIT Mech. E. students, generally useful charles z. guan dragon*con 2016 robotics & makers track Fab It: Making 3D from 2D Using stock & purchasable industrial components with 2D plate design means more structures are possible 80/20 T-slot extrusion Many accessories available
Spaces, standoffs, threaded rods 3D printable corner joists and angle blocks charles z. guan dragon*con 2016 robotics & makers track Helpful Online Resources Mekanizmalar www.mekanizmalar.com Many mechanisms explained, live applets and demos e.g. 4-bar linkage simulator Falstad Circuit Simulator falstad.com/circuit
Easy to use electronic circuit simulator (think SPICE software) Most types of components available, geared towards logic & analog circuits charles z. guan dragon*con 2016 robotics & makers track Helpful Online Resources Roymech.co.uk Excellent resource for learning about mechanical parts and machining processes Engineeringtoolbox.com Online engineering
repositories Calculators for bearing loads, wire gauges, drills and tap charts, ec. charles z. guan dragon*con 2016 robotics & makers track Read it: Resources for Learning Reading and looking at other peoples' builds is one of the best ways to discover new methods and resources! Builders' blogs: Hacking/Modding websites: hackaday.com, hackedgadgets.com, blog.makezine.com, Adafruit Blog
Generally link to builders' sites if they are available Books Making Things Move: DIY Mechanisms Dustyn Roberts Make Magazine and Maker Faires etotheipiplusone.net Charles' site. Sidebar links to many more sites. Atlanta Mini Maker Faire Instructables.com Step-by-steps, guides, instructional videos. charles z. guan dragon*con 2016 robotics & makers track Major Lessons CAD allows you to plan ahead, see how things will fit and move.
More resources than ever are available to the non-machineendowed public with just a little bit of computer skills Digital fabrication resources turn a virtual model into real parts with little manual intervention or steep machine operation learning curve (and access) The Internet is full of things which you can buy! Q&A and Discussion CAD program demonstrations Resources and Purchasing Source it: Beyond Home Depot McMaster-Carr Supply (mcmaster.com) Pretty much the end-all, be-all of mechanical parts and tools. Downloable CAD models for most fasteners, power transmission products. Link-rich website, easy navigation and searching by specification charles z. guan
dragon*con 2016 robotics & makers track Source it: Materials and Mechanical Parts Other industrial suppliers MSC (mscdirect.com) Grainger (grainger.com) HVAC and industrial process control, contractor supplies Fastenal (fastenal.com) Tools and machinery Hardware, tools, bits and cutters, joining
Worse websites, customer service charles z. guan dragon*con 2016 robotics & makers track Source it: Materials and Mechanical Parts DigiKey One of the largest electronic component suppliers, for DIY circuits and boards. Search by specifications. Although not the largest, it is very popular with hobbyists due to its relatively easy to use website. findchips.com and octopart.com For cross-vendor searching of a specific part. charles z. guan dragon*con 2016 robotics & makers track Source it: Materials and Mechanical Parts Materials and metals Onlinemetals (onlinemetals.com)
Onlinemetalsupply (onlinemetalsupply.com) Speedy Metals (speedymetals.com) eBay Search by alloy, size, and descriptors Plate Sheet Bar Interstate Plastics (interstateplastics.com) charles z. guan dragon*con 2016 robotics & makers track Source it: Did Someone Say Ebay?
eBay is one of the most underestimated resources for builders, but it must be used cautiously. Many keyword permutations Sort by distance dont accidentally order from China and wait 5 weeks because you sorted by Price Lowest. Cross-check found parts with actual vendors to compare prices and shipping options Shipping might be 90% of the parts cost (fee dodging!) charles z. guan dragon*con 2016 robotics & makers track Source it: Materials and Mechanical Parts
Surplus Center (surpluscenter.com) Most mechanical parts (chains, gears, shafts, collars, hubs), not so many belts Semi parts, farm equipment DC motors and gearmotors Surplus parts might not be to all your specifications, but they could be cheaper. AllElectronics, Goldmine Electronics American Science and Surplus Electronics and small mechanical surplus
Elec & Mech surplus and hobby/craft supplies Other surplus sales websites search! charles z. guan dragon*con 2016 robotics & makers track Source it: Motors and Actuators Robot Marketplace: Centralized vendor for most robot and electromechanical projects Brush DC motors, chain-belt-gear, batteries, etc. Created by a former Battlebots competitor; many products are geared towards larger robots, but there are many products for very small hobby robots. HobbyKing: Brushless motors, lithium batteries Geared towards R/C models
Motors can be repurposed for other applications such as vehicle traction, generators. Inexpensive lithium ion battery packs and chargers charles z. guan dragon*con 2016 robotics & makers track Source it: Motors and Actuators FIRST Robotics vendors Nationwide secondary school robotics program now has a network of vendors officially supporting it (I know, right?) Inexpensive mechanical parts Built to last the seasonbut cheap.
AndyMark Vex Pro West Coast Products Effective source of power transmission products (chains, belts, shafts, gears, bearings, actuator parts) charles z. guan dragon*con 2016 robotics & makers track Source it: Motors and Actuators Small Robot Vendors Pololu: Very small DC motors and gearmotors for little robot drives. Motor controllers and other control electronics. Robot kits and frames.
Solarbotics: Similar market to Pololu. Trossen Robotics: Another general hobby robotics vendor with a wide selection of small and medium size motor controllers ServoCity: Anything to do with R/C servos used as robot actuators. Many different styles of hubs and adapters. FingerTech Robotics: Small hobby robot parts; motors, wheels, in-house designed controller and power switches charles z. guan dragon*con 2016 robotics & makers track Source it: Controls and Sensing Sparkfun Electronics Established supplier of hobby electronics and supplies. Part of
the open-source hardware community. Many different types of sensors accelerometry and inertial, touch, buttons, pressure, temperature... with breakout boards for hardto-use components Microcontroller development kits. More Arduinos than your body has room for Tutorials on EAGLE, surface mount soldering, programming in C, etc. charles z. guan dragon*con 2016 robotics & makers track Source it: Controls and Sensing Seee(eeeeeeeeeeeeeeeeee)dStudio Chinese bazaar of DIY/maker oriented electronics products
Parts, PCB fab services, PCB assembly, 3D printing services, even production and dropshipping. Like many Chinese mass vendors, products are usually functional but could be hit-or-miss charles z. guan dragon*con 2016 robotics & makers track Source it: Controls and Sensing Adafruit Industries Many hobbyist/maker contributed kits and open source products Arduino products and development boards
Wearable electronics development products Tutorial system for basic and intermediate electronics skills (Adafruit Learning System) charles z. guan dragon*con 2016 robotics & makers track Source it: Printed Circuit Boards OSH Park, Seee(eeee)dStudio - batch PCB service. Typically for small boards. Very low cost ($5 / in) PCBway / 3pcb one of many low-cost Chinese PCB printers and assembly houses. Inexpensive 1-week turnaround time, very inexpensive standard svc. Advanced Circuits (4pcb) American, Typ. 1 week end-to-end
$33 Each deal; Student discounts; barebones service Many others charles z. guan dragon*con 2016 robotics & makers track Source it: Chinesium AliExpress, BangGood, DealExtreme, eBay Chinese Sellers Everything you could possibly imagine, extremely low prices Longer lead times More artform to use well search term variety, misspellings, consumer product replacement parts
charles z. guan dragon*con 2016 robotics & makers track
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