Computer-Controlled Machining


projects
   Opendesk
   yourHOUSE
   Shelter 2.0
   10,000 Year Clock
   
machines
   Roland
   ShopBot
   Hurco
   Harrison
   Omax
   EDM
   MTM

stock
   rigid foam insulation (gesso, heat gun)
   veneer plywood
   medium density fiberboard (MDF)
   medium density overlay (MDO)
   oriented strand board (OSB)
   HDPE
   Lexan, polycarbonate
   Garolite
   aluminum

vendors
   McMaster-Carr
   Home Depot
   Admiral Metals
   Boulter Plywood
   Steritt Lumber
   Beacon Sales

job shops
   Proto Labs
   Firstcut
   Cycle Start
   DHS

tooling
   drill bits vs end mills
   flutes
   coatings
   center-cutting
   up/down cut
   flat/ball end

speeds and feeds
   chip load: ~ 0.001-0.010" = feed rate (inches per minute) / (RPM x number of flutes) 
   cut depth: ~ tool diameter
   step-over: ~ tool diameter/2

lubricants

abrasive machining, grinding

fixturing
   vises
   clamps
   screws
   vacuum
   weights
   glue
   tape
   encapsulation

sacrificial layers, squaring

dust collection

flexures, living hinges, kerfing

toolpaths
   kerf, offset, runout
   conventional, climb
   2, 2.5, 3, 4, 3+2, 5
   rough/finish cuts
   cut depth, clearance, collisions
   t-bones
   tabs
   lead-in, -out
   test cuts, cutting air
   ShopBot VCarvePro
   FeatureCAM
   Delcam XPRESS
   Mastercam
   HSMWorks
   Omax Layout
   fab modules outline rough finish

file formats
   .rml
   .sbp
   .g
   .ord

safety
   training
   cuts, burns, impacts, fires
   glasses, shoes, clothes, hair, gloves
   don't reach into a powered tool
   emergency stop, assistance

welding
   arc
   MIG (metal inert gas)
   TIG (tungsten inert gas)
   spot
   friction
   ultrasonic

assignment
   make something big