[ Han - Will ]

Machine: MACRO PICK-AND-PLACE SYSTEM - preliminary thoughts
by: Han Hoang and Will Lark
ABSTRACT The current technology of any rapid prototyping machines can be summarized in one, simple statement--The machine is always bigger than the object it creates. From the current model of 3D printers to any typical milling machines, these machines are generally the size of cars, but they can only generate parts that are measured in inches [Please see Figure A and B]. Our ultimate goal is to develop a prototyping machine that can rapidly create parts and place these parts to form a structure that is larger than the envelope of the machine. We intend to answer questions of practicality, methodology, effectiveness, economics and application software that can be applied towards developing a machine suitable for enhancing the technology and performance of architectural and engineering practice.
KEY WORDS Fabrication, Construction, Rapid-Prototype, Manipulation, Customization, Modular, Precision, Efficient.
INTRODUCTION This Macro-Pick and Place System [MPPS] was motivated by the desire to have a machine rapidly and efficiently construct a macro-scale structure using various pre-manufactured joints and members. On a conceptual level, MPPS seeks to enhance the conventional methodologies of design and construction with the traditional technology of snap connections - [ppt] and modular components mimicking the idea of building with Lego blocks or any similar toy connector building systems.
PROCESS Design - The process starts with a three-dimensional CAD model created with any 3D application such as AutoCAD or CATIA. Output - Once the model is complete, the output procedure is similar to that of any 3D printing exporting process. An "STL" type data is then sent remotely to the on-board computer of the MPPS. Analyzation - The MPPS then convert the given data into recognizable parts and members and stategically calculate the precise locations of each component. Construction - Once each part is located on a three-dimensional grid, the MPPS then uses a local GPS locator system such as TOPCON's integrated GPS recievers, to establish the exact location of any given part on any give site.
Machine Analysis and Features: PARTS a] analyzation of unique joint b] snap connection c] stacks placed in a hopper becomes part of the horizontal arm d] tentatively, parts are design to satisfy limited construction condition
MACHINE [process] a] xyz track motion arm with supporting tower [machine studies] b] stategically locate first joint c] location of hopper(s) d] details of movement e] limit numbers of actuators and motors