CEB Press/Research Development

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CEB Press
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High Level Overview:

CEB Design

CEB Considerations 2015

CEB Considerations 2015

Design of subsystems:

Hydraulic Design
Controller Design

Mechanical Drawings

Grate (including deflectors, hinges, and supports)

CEB Hopper (including saddle)

CEB Shaker (including shields)

CEB Legs (including holders and feet)

CEB Outer Frame (including drawer rollers and shields)

CEB Inner Frame

CEB Soil Drawer


The first prototype was built in January 2008. The build is archived here

People got interested in our open development model...

On the 13th of June 2010, we announced the full release of the complete version. This was an improvement over previous designs, with automatic controls and a faster pressing rate. Several people have bought them since then.

Design Description

Advantages of The Liberator

Liberator V commercial.JPG
  • Easy repair. The Liberator was designed to make maintenance as easy and infrequent as possible. The part that is most likely to need replacement is a rubber sheet from McMaster-Carr. The press is designed for disassembly, so if repairs are needed, the cost should be minimal. And unlike commercial machines, you have all the blueprints and sources for parts here, so there should be no difficulty repairing it.
  • Requires as little as 1 person to operate. The only control required is turning the machine on, and from that point one simply loads soil and unloads bricks. There is an alternative manual version for $500 less (Is that correct?)
  • Modular power source. The Liberator does not have its own power source; it is designed to be attached to an external power source. This is in line with the OSE principle of modularity; different tools can be run from the same power source, allowing the same tool to fulfill many functions flexibly. The power source could be the hydraulics from LifeTrac (our tractor any flexible source of machanical power), Power Cube, or any hydraulic power source with a capacity of 6 gallon per minute (22.71 liters per minute).
  • Large hopper. Compared to other CEB presses on the market, The Liberator has a very large hopper. We found with earlier editions that a small hopper requires constant loading and this slows down the production process.

Links to Other CEB Presses

Potential Upgrades

  • Eliminate hydraulic shaker use mechanical shaking:

Fact; the soil mix drawer moves several times each cycle.

Use that motion to shake the hopper each cycle. - John S

  • Reduce the HP required to power the CEB Press:

A small electric motor or i.c. engine is coupled to hydraulic pump.

Between the motor or engine and the pump locaate a pully or gear to a flywheel.

When the press is not using power, the flywheel is spun up to full rpm storing energy.

When more energy than motor/engine alone is needed the flywheel slows providing this energy


The Global Village Construction Set
Habitat CEB Press Cement Mixer Sawmill Bulldozer Backhoe
Agriculture Tractor Seeder Hay Rake Well-Drilling Rig
Microtractor Soil Pulverizer Spader Hay Cutter Trencher
Bakery Oven Dairy Milker Microcombine Baler
Industry Multimachine Ironworker Laser Cutter Welder Plasma Cutter
CNC Torch Table Metal Roller Rod and Wire Mill Press Forge Universal Rotor
3D Printer 3D Scanner CNC Circuit Mill Industrial Robot Chipper Hammermill
Drill Press Induction Furnace
Energy Power Cube Gasifier Burner Solar Concentrator Electric Motor Generator Hydraulic Motor
Steam Engine Heat Exchanger Wind Turbine Pelletizer Universal Power Supply
Nickel-Iron Battery
Materials Aluminum Extractor Bioplastic Extruder
Transportation Car Truck

Imprimante 3D Scanner 3D Extracteur d'Aluminum Pelleteuse Four à Pain Presse à balles de paille Extrudeuse à bioplastiques Bulldozer Voiture Presse BTC Betonnière Broyeur à marteaux Imprimante de circuits électroniques Table de découpe numérique Trayeuse Perçeuse à colonne Moteur électrique Gazogène Faucheuse Râteau à foin Moteur hydraulique Fourneau à induction Bras robotisé Poinçonneuse Découpeur Laser Laminoir à plaques Microcombine Microtracteur Multimachine Batterie Ni-Fe Machine à granulés Torche plasma Power Cube Presse hydraulique Laminoir à barres et fils de fer Pulvérisateur de terre Scierie Semoir Concentrateur solaire Roto-bêche Moteur à vapeur Echangeur de chaleur Tracteur Fraiseuse de tranchée Camion Alimentation électrique universelle Rotor universel Poste de soudure à l'arc Plateforme de forage de puits Eolienne

Key Design Planning Prototype Almost done Full Release