100 Year Old Swiss company builds homes with Robots!

Renggli, a 100 year old firm in Switzerland, builds high-performance, energy-efficient, modular structures. They use CNCs, suction cup lifts, robotic saws, tilting tables, gantry cranes and more.

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Chapters
0:00 Introduction
0:45 Platform System
2:02 CNC Machine
3:23 Hundegger Saw
4:16 Butterfly Table
5:00 Gantry System
6:36 Pros
8:45 Sponsorship
9:41 Cons
11:35 Conclusion

The first machine is this platform system adopted from the automotive industry. Forklifts load drywall, timber, sheathing and other large materials onto this base. They are separated into categories and stored on these shelving racks. As material is needed inside the factory, it is automatically retrieved from these shelves and carried down this highway system. They also have a huge storage facility with tagged lumber and engineered wood waiting to be used. Such an advanced construction facility needs highly detailed BIM models to drive their process. BIM stands for Building Information Modeling. Digital 3D models are loaded with information like the size and location of every part and piece.

The second robot used is a CNC machine which stands for computer numerical control. Gypsum boards and wood panels are lifted from the shelving racks and brought to these tables. They slide into the sealed off CNC machine and are cut with router bits. Data from BIM models dictates the dimensions of each piece and the location of electrical outlets and plumbing. When the cuts are complete, the table slides out. Suction cups carefully lift the pieces to another platform.

The third machine is an advanced Hundegger saw. Large pieces of wood, some 40 feet in length, are fed into this fully automated machine. It can cut wood in 5 axes as well as drill screw holes, cut notches, mortise and tenon joints and punctures for electrical and plumbing. Once again, data from BIM models dictates the cuts. Because precision is so important in off site construction,

The fourth type of machine is a butterfly table. Workers build wall, ceiling and floor panels on these tables by attaching the milled glulams, sheathing and drywall. When it’s time to work on the opposite side of the panel, the tables flip 90 or 180 degrees with hydraulic lifts. It takes just 90 seconds to flip these tables over and safely lower them on the opposite side.

The fifth machine is a gantry crane system that spans the entire length of the factory. It carries building panels from one assembly table to another. Workers add thick mineral wool insulation in the stud bays and a layer of wood fiber insulation on the exterior faces. They also attach drywall to the interior faces with a nail gun. Plastic tubing for wires is also installed in the wall panels.

Renggli is able to build panels faster and better. They don’t have to worry about exposure to rain, snow and other elements. Another advantage is the ability to hire older and more experienced workers in the factory since indoor working conditions are not as harsh. They are also able to minimize waste because of careful planning and execution. The final advantage is the sustainability of wood construction.
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SOURCES:
   • Renggli Modulhaus VISION:R4  
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Aside by Hunter Milo   / huntermilo  
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Music promoted by Audio Library    • Fluffy – Smith The Mister (No Copyright Mu...  
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#prefab #modular #robotics #construction #architecture