EarthTek Inc. BLM-12-8M
The BLM-12-8M by Earthtek Inc. is a gasoline fueled, manually operated brick-making machine with a single axle for highway transportation.
The product is available in North America and has been shipped globally.Interview with manufacturer
Manufacturer requires potential customer to contact them to receive a quote for the product.
Goal 11: Aims to make it easier to construct affordable homes and other buildings.
Any “owner builder” looking to manually self-construct a block structure.
The product is not patent protected.Interview with manufacturer
A user can contact EarthTek Inc. to receive a quote or purchase the product. The unit can be crated economically for shipping.Interview with manufacturer
Approximately 200 units have been distributed to date.Interview with manufacturer
Size of the tool / machinery
If the system is able to be transported to or between building sites
List of primary material(s) in the component produced
Ratio of raw material(s) to water
If the material production method requires compression
List of power sources
Measurement, calculated in cm, of the component’s overall dimensions
Completed units per hour
Time required for curing, if applicable
List of suitable climates for use of this tool/system
- Production Rate: up to 2 blocks per minute.
- Block Size: 10x20x30 cm (width adjustable to 5cm)
- Engine: 6 HP gasoline-fueled engine
- Controls: Manual
- Hydraulic Components: Prince, Barnes; available worldwide
- Hydraulic Oil Filtration: 10 microns
- Pressure to Block: up to 10 MPa
- Single axle for highway transportation
- 6-10% water content
- 20-70% Clay content
- Training not required but suggested by manufacturer
Manufacturer offers consultation, training, and project management by contract, and will train a customer on how to use the machine if they come to their facility in New Mexico, USA. Product can most likely be repaired by a trained general technician.
Spare tires are available with purchase. Unknown for other parts.
The lifspan of the machine is directly proportionate to the abrasiveness of the dirt used for compression. EarthTek estimates 50,000 – 500,000 blocks/life. All machines have a 1 year warranty.
Performance expectations: Reliable, inexpensive engines, simple hydraulic and control systems, able to use a wide variety of soils to build homes, barns, storage sheds, fences, retaining walls, and more.
The only vetting performed is through customer experience and feedback.Interview with manufacturer
Blocks require specific material amounts and ratios to ensure proper strength and durability values. Water content, clay content, and sand content are important values that need to be evaluated during construction to avoid accidental failure of the structure.
A 1.5 or 3 meter gravity conveyor belt can be purchased with the machine.
The machine does not follow any international codes, but there are international standards for building with compressed earth block found in the International Building Code.
Evaluation of the sand mixture is outlined on EarthTek’s FAQ page, under the title “To Test”
Compressed Earth Blocks: Manual of design and construction recommended by the manufacturer.Interview with manufacturer
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