diff --git a/topics/04_mechanical/images/gehry_museum_of_pop_culture_2000_seattle.jpg b/topics/04_mechanical/images/gehry_museum_of_pop_culture_2000_seattle.jpg new file mode 100644 index 0000000000000000000000000000000000000000..e720e519c892a4be398fe481ae28caca70893056 Binary files /dev/null and b/topics/04_mechanical/images/gehry_museum_of_pop_culture_2000_seattle.jpg differ diff --git a/topics/04_mechanical/images/mopop_steel_ribs.jpg b/topics/04_mechanical/images/mopop_steel_ribs.jpg new file mode 100644 index 0000000000000000000000000000000000000000..2fda0a1458e208f0d1d1fc4fb552f2b704f68d82 Binary files /dev/null and b/topics/04_mechanical/images/mopop_steel_ribs.jpg differ diff --git a/topics/04_mechanical/index.md b/topics/04_mechanical/index.md index ef6b1f40c7672b09dc70e71eb828590ae5084319..1437ab416d72e2ba8d52b7fa974c38c5703f61cd 100644 --- a/topics/04_mechanical/index.md +++ b/topics/04_mechanical/index.md @@ -48,8 +48,16 @@ Non-contact Mode: Oscillates above the adsorbed fluid layer on the surface durin <a href="https://www.blum-novotest.com/en/products/measuring-components/workpiece-probes/tc50-tc60.html">BLUM, The trigger signal is generated via shading of a miniature light barrier</a> -<ul> <li>CNC Machine -> Workspace alignment/present setting / workpiece measurement, digitizing or inspection</li> </ul> -<iframe src="https://youtube.com/embed/IcVv1So1n_8" frameborder="0" allowfullscreen=""></iframe> + + +Bridge Coordinate Measuring Machines (CMM) +<img src="images/bridge_cmm.jpg" alt="Bridge CMM"> + + +CNC Machine -> Workspace alignment/present setting / workpiece measurement, digitizing or inspection +<iframe width="560" height="315" src="https://www.youtube.com/embed/IcVv1So1n_8?si=s9orrO0G6nlK0ohr&start=8" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe> + + Optical @@ -61,15 +69,12 @@ Optically tracked touch probes <iframe width="560" height="315" src="https://www.youtube.com/embed/wt4PLgbwxQI?si=A0yDBFneMn1wFotE&start=98" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe> -Bridge Coordinate Measuring Machines (CMM) -<img src="images/bridge_cmm.jpg" alt="Bridge CMM"> - ### Digitizer Arms Passive Robot Arm<br> -<img src="images/portable_robot_arm.png" alt="Portable Robot Arm"> +<img src="images/portable_robot_arm.jpeg" alt="Portable Robot Arm"> <img src="images/gage_faro_arm.png" alt="Gage Faro Arm"><br> @@ -82,7 +87,7 @@ Fixed Coordinate Measuring Machines (CMMs) excel in providing extreme precision, Universal Robots <img src="images/universal_robot.jpg" alt="Universal Robot"><br> - +You can approximate the functionality of a digitizer arm using any robot arm, by reading the axis rotations and reconstructing the location of the end effector in 3D space. Typically, read-outs from a robot arm will be in [Euler Angles](https://en.wikipedia.org/wiki/Euler_angles). DIY Projects @@ -93,31 +98,36 @@ DIY Projects # Large Scale -Add Dennis Shelden Dissertation content +Beyond inspection in manufacturing contexts, Frank Gehry was the first architect to incorporate mechanical digitizing into the process of form making: <img src="images/gehry_scanning_exterior_model.jpg" alt="Source: Gehry Technologies"> - +The technical complexities behind this feat are documented thoroughly in Dennis Shelden's 2002 MIT Dissertation: +[Digital Surface Representation and the Constructability of Gehry's Architecture](https://dspace.mit.edu/handle/1721.1/16899) <img src="images/shelden_digital_surface_representation_p299.jpg" alt="Source: Dennis Shelden"> +The precursor to MIT's Stata Center, Gehry's 2000 Museum of Pop Culture in Seattle was the first to test translating this digitization workflow into full scale construction: + +<img src="images/mopop_steel_ribs.jpg" alt="Hoffman Construction"> +<img src="images/gehry_museum_of_pop_culture_2009_seattle.jpg" alt="Gehry Museum of Pop Culture"> + + ### Digital Templating Wire based templating devices take measurements from rotary encoders <iframe width="560" height="315" src="https://www.youtube.com/embed/9dd1w9VAxw0?si=9kcd6ggq5RGd8YOL&start=67" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe> -### Robotic Survey Prisms +### Survey Prisms A survey prism is a glass reflector that is used in surveying and engineering to reflect the Electronic Distance Measurement (EDM) beam of a total station. <img src="images/survey_prism_railroad.jpg" alt="Survey Prism"> -[SumPoint](https://www.sumpoint.io/#services) - +Site conditions usually vary so greatly that the global coordinate system is not relevant, rather the local coordinate system between particular elements. -[Small Robots and Big Projects](https://papers.cumincad.org/data/works/att/acadia21_462.pdf), Maria Yablonina & James Coleman, ACADIA 2021 +[SumPoint](https://www.sumpoint.io/#services) -Labor costs more than steel -Digital Twins +[Small Robots and Big Projects](https://papers.cumincad.org/data/works/att/acadia21_462.pdf), Maria Yablonina & James Coleman, ACADIA 2021