FabWiki MakerBot Cupcake

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Machine number: 18
Build: 24 Apr 2009 -

• Construction Tips and Tricks
  

• MakerBot Cupcake Build Wiki
  

• MakerBot Plastruder MK3 Build Wiki
  

• Electronics
  

• Electronics Fabrication Guide
  

• Hotplate Reflow Technique for SMT
  

• Cupcake Electronics Assembly
  

• RepRap Generation 3 Electronics
  

• Build sequence
  

• endstops (all through hole, pretty easy)
  

• N.B. placement of some connectors different from standard RepRap build!
  

• RepRap OptoEndstop v2.1 build instructions
  

• Four (4) endstops using the RJ45 connectors, for the X axis and Z axis
  

• Two (2) endstops using the 3-pin connectors, for the Y axis
  

• stepper drivers (large SMT components, smallest is SOIC)
  

• reprap motherboard (fairly spaced out, but the TQFP can be tricky)
  

• extruder controller (pretty dense, and there is a TQFP)
  

• USBTinyISP
  

• Google group for MakerBot Operators
  

• Flickr photo pool
  

• Makerbot Lineage Page

Box	Damaged in transit	ABS stock	Bag of cables
Plastruder box	Servo box	Getting started letter	Lasercut body
Power supply	Number 18	Top	Middle
Power	Back	Left	Front
Bottom	Right	Acrylic Z stage, Motherboard	Lasercut parts
Lasercut parts	Power supply	Power cable	USB-TTL serial
Cat5 cables	XY table	606 / 608 pulleys	Build platform w/ foam
Gears and belts	Small lasercut parts	Bag o' electronics	Bag o' tools
Contents of big box	Stepper motor drivers	Motherboard and extruder	Opto endstops
Lasercut Y stage	Lasercut X stage	Build platform, X left	X right
Lasercut XY table	Holding brackets	Holding brackets	Brackets, tape holder
Endstop triggers	Small lasercut parts	606 parts	608 parts
Small lasercut parts	Flanged slide bearings	Stepper pulleys	Rod pulleys
Belts	Belts, pulleys, bearings	USBTinyISP kit	Zephpaste solder
Allen keys	Deluxe ed. tools	Stepper motors	Plastruder hardware
Kapton tape	Kysan motor	Plastruder parts	Plastruder acrylic
Plastruder acrylic	Plastruder acrylic	Plastruder dinosaur	Plastruder acrylic
Plastruder kit	Plastruder kit

Components	Soldering Y-axis stop	4-40 screws to align holes	Testing - Off
Testing - On	Test X & Z axis stops	Inspect w/ USB microscope	Pins up close

Calibrating hotplate

• Opto-endstops
  

• Checked all connections with dissecting microscope set at 0.7 x 10x
  

• Re-soldered one loose joint
  

• Used PB-503 proto-board to build a little test rig for both kinds of connection
  

• All endstops seem to be working correctly
  

• Stepper motor drivers
  

• Checked all SMD and through-hole connections with dissecting microscope
  

• Had to ground the sense line of the ATX power supply unit to get it to power on without a computer attached (following Masked Retriever's hack)
  

• Checked that green power LED comes on for all stepper motor drivers