Multi-Crop Ewing Grinder
Bountifield International (formerly Compatible Technology International)
The Multi-Crop Ewing Grinder is a milling machine designed for making flour and pastes from grains and nuts
Bountifield International’s Multi-Crop Ewing Grinder is a hand-operated burr mill capable of making flour from grains and creamy paste from nuts. The mill is portable and equipped with heat-treated burrs that do not require sharpening and can withstand long-term wear.
The majority of the grinders are utilized in Sub-Saharan Africa.Interview with representative
Goal 2: Zero hunger
Home use and for businesses selling grinding services or nut paste.interview with representative
The grain grinder is mass produced in China using materials including welded metal sheetsInterview with representative
The Multi-Crop Ewing Grinder can be obtained directly from Bountifield International
More than 300 grinders have been distributed since this particular model was introduced in 2011Interview with representative
Rate of grain milling, measured in kilograms per hour
Energy required to power the product, measured in watts
Is the technology movable?
The Multi-Crop Ewing Grinder has heat-treated burrs that do not require sharpening and can withstand long-term wear. This reduces the need for replacement of components. The grinder is designed with steel housing and burrs with a diameter of 4.5 inches.
Upon purchase Bountifield International supplies a grinder manual, grinder training (either in-person or via Skype), and customer support via phone or email
The grinder’ manual contains a list of possible replacement parts that can be substituted for original parts. Users may contact the Bountifield International office for replacement parts.
The Multi-Crop Ewing Grinder is designed to be four times more efficient than traditional grinding methods and it is made to be easy to clean
There are no known safety hazards linked with the use of this product
The motorized version requires electricity to operate
Calderón, V. R., Duville, K., Lopez, L., Rooney, L., Bermudez, C., Chacon, Y., and Pinilla, E., 2011, Utilization of Compatible Technology International (CTI) Grinders for Sorghum Flour Production in Central America.
Duville, K. E., 2012, Sorghum flour production manual for compatible technology international (CTI) burr grinders.
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