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Rubik's cube solving machine

The igus parts enable fast detection for a Rubik's cube solving machine

In the 7th semester of the Mechatronics/Automation degree course at the Gütersloh Campus of Bielefeld University of Applied Sciences, various mechatronic projects were implemented as part of the "Mechatronic Systems" module under the supervision of Prof. Dr.-Ing. Thomas Freund. The team consisting of Tom Töws, Matthias Risse, Jan Ewerszumrode and Laurids Wetzel took on the task of improving and optimising the existing project of a Rubik's cube solving machine developed by the previous year's class to such an extent that the machine can be used reliably at trade shows and information days.

Profile

  • What was needed: Lead screw modules for clamping the cube
  • Requirements: High reliability for use at trade shows
  • Industry: Mechanical engineering 
  • Success for the customer: The Rubik's cube can ideally be solved at a speed of 15 moves per second. The underlying solution algorithm requires between 10 and 35 moves. In the best case, the Rubik's cube can therefore be solved in less than a second and can thus compete with professional solutions.
The team for the production of the Rubik's cube solving machine The team consists of Tom Töws, Matthias Risse, Jan Ewerszumrode and Laurids Wetzel

Product used

drylin® SHT-12 linear module

drylin® SHT-12 linear module
To the drylin® SHT-12 linear module

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Problem

The main problems of the existing project were the detection of the cube status via image processing, the control of stepper motors to rotate the sides of the cube and a complex manual clamping of the cube. The shortcomings could largely be attributed to a limited budget that the FH could allocate per project. After extensive analysis of the existing machine and the experience gained, the team decided on a complete relaunch of the project. The components needed for a high-quality implementation had to be provided by sponsors due to the budget.
 
After an intensive conceptualisation and design phase, the team was able to gain igus GmbH as a sponsor for linear guides.

Solution

After a three-month implementation phase, the team was able to bring the project to a conclusion on schedule, in parallel with the preparation of their undergraduate theses on their own responsibility.
The drylin® lead screw modules now ensure lubrication-free and also jolt-free clamping of the cube from four sides.
 
On the one hand, the machine meets the requirements of high reliability for use at trade shows, but at the same time it has a high-quality and robust industrial design. The magic cube can ideally be solved at a speed of 15 moves per second. The underlying solution algorithm requires between 10 and 35 moves. In the best case, the Rubik's cube can therefore be solved in less than a second and can thus compete with professional solutions.

Impressions

The finished Rubik's cube machine The finished Rubik's cube machine
The finished Rubik's cube machine The finished Rubik's cube machine from the front

Application video

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I termini "Apiro", "AutoChain", "CFRIP", "chainflex", "chainge", "chains for cranes", "ConProtect", "cradle-chain", "CTD", "drygear", "drylin", "dryspin", "dry-tech", "dryway", "easy chain", "e-chain", "e-chain systems", "e-ketten", "e-kettensysteme", "energy chain", "energy chain systems", "e-loop", "enjoyneering", "e-skin", "e-spool", "fixflex", "flizz", "i.Cee", "ibow", "igear", "iglidur", "igubal", "igumid", "igus", "igus improves what moves", "igus:bike", "igusGO", "igutex", "iguverse", "iguversum", "kineKIT", "kopla", "manus", "motion plastics", "motion polymers", "motionary", "plastics for longer life", "print2mold", "Rawbot", "RBTX", "readycable", "readychain", "ReBeL", "ReCycle", "reguse", "robolink", "Rohbot", "savfe", "speedigus", "superwise", "take the dryway", "tribofilament", "tribotape", "triflex", "twisterchain", "when it moves, igus improves", "xirodur", "xiros" e "yes" sono marchi registrati di igus® GmbH legalmente protetti nella Repubblica Federale Tedesca e, ove applicabile, in alcuni paesi esteri. Si tratta di un elenco non esaustivo di marchi (ad es. in corso di registrazione o marchi registrati) di igus® GmbH o di società affiliate a igus® in Germania, nell´Unione Europea, negli Stati Uniti e/o in altri paesi o giurisdizioni.

igus® GmbH dichiara di non vendere prodotti delle aziende Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsubishi, NUM, Parker, Bosch Rexroth, SEW, Siemens, Stöber e tutti gli altri produttori di sistemi di azionamento menzionati in questo sito web. I prodotti proposti da igus® sono quelli di igus® GmbH