Sculpture II, Spring 2011

28 January 2011

Mechanisms; Woodshop

* Mechanisms!

We'll look at many different ways to make things move and to make things that are moving make other things move.

Mechanism demos, movies, plans, etc:

http://www.technologystudent.com/cams/camdex.htm

http://www.mechanisms101.com

http://kmoddl.library.cornell.edu/resources.php

Specific types of mechanisms from kmoddl:


• straight lines, sort of

  http://kmoddl.library.cornell.edu/resources.php?id=169
  http://kmoddl.library.cornell.edu/resources.php?id=171
  http://kmoddl.library.cornell.edu/resources.php?id=172
  http://kmoddl.library.cornell.edu/resources.php?id=173
  http://kmoddl.library.cornell.edu/resources.php?id=225
  http://kmoddl.library.cornell.edu/resources.php?id=1874
  

• pillow blocks, misaligned linkages

  http://kmoddl.library.cornell.edu/resources.php?id=1822
  http://kmoddl.library.cornell.edu/resources.php?id=1804
  http://kmoddl.library.cornell.edu/resources.php?id=298
  

• screws
  

  http://kmoddl.library.cornell.edu/resources.php?id=1593

• intermittent mechanisms
  

  http://kmoddl.library.cornell.edu/resources.php?id=1764
  http://kmoddl.library.cornell.edu/resources.php?id=159
  http://kmoddl.library.cornell.edu/resources.php?id=1586
  http://kmoddl.library.cornell.edu/resources.php?id=1818
  

Some specific mechanisms and examples in artworks:

• direct drive:

  http://music.columbia.edu/~douglas/portfolio/do_not_break_anything
  lead screw
  lead screw
  http://jonkessler.com/works/modernvision_01.htm

• sliprings (aka commutators):

  http://images.google.com/images?sourceid=navclient-ff&ie=UTF-8&rls=GGGL,GGGL:2006-21,GGGL:en&q=%22slip+ring%22
  http://images.google.com/images?svnum=10&hl=en&safe=off&rls=GGGL%2CGGGL%3A2006-21%2CGGGL%3Aen&q=commutator&btnG=Search
  http://www.bgbinnovation.com/content/bgbengineering/standardsliprings.asp
  http://www.mercotac.com
  jonkessler.com/works/shooter_m.htm

• gears

  Arthur Ganson, hero of hand-made gears:
  Machine with Cat Whiskers
  Small Tower of Six Gears
  Making wire gears

• pulleys + belts

  Jean Tinguely used lots of giant pulleys with giant belts:
  http://www.youtube.com/watch?v=1jTYXmcK7fc
  http://www.youtube.com/watch?v=qlrsSWxXEDQ
  

  Some homemade wooden pulleys:
  http://music.columbia.edu/~douglas/portfolio/CSA
  http://music.columbia.edu/~douglas/portfolio/DSCfPP

• sprockets + chain

  Jon Kessler likes sprockets and chain!
  One Hour Photo
  Theater of Ideas
  

  Abbey Dubin's giant tricycle:
  one
  two

  Lewis & Ewart's decorated sprockets:
  http://music.columbia.edu/~douglas/portfolio/rio_negro

• crankshafts, cams, linkages, variations

  Cabaret Mechanical Theatre uses lots of simple crankshafts and cams:
  http://www.youtube.com/watch?v=NA3UiqSwSf4
  

  As do lots of automata designs (download some to try at home!):
  http://www.flying-pig.co.uk/pagesv/impatience.htm
  http://www.flying-pig.co.uk/pages/gallery.htm
  http://www.flying-pig.co.uk/mechanisms/pages/cam.html

  hot foal action:
  http://music.columbia.edu/~douglas/portfolio/foal

  Erin Fetherman's creepy stuffed animals
  The Mechanical Wagging Tail (money shot near end of simple linkage)

Afternoon

* Making mechanisms in the wood shop.

Assignment: Make a wooden, human-powered mechanism.