CAMARTEC Oil Press Machine
CAMARTEC (Centre for Agricultural Mechanisation and Rural Technology)
The CAMARTEC Oil Press Machine is a manually operated oil expeller used to produce oil from different kinds of seeds
The CAMARTEC Oil Press Machine is a manually powered ram press machine used to press different types of seeds in order to produce oil out of them. There are two models of different sizes: the BP30 (has small capacity) and the BP50 (has bigger capacity).
CAMARTEC (Centre for Agricultural Mechanisation and Rural Technology) distributes the oil expeller directly to target users
Goal 8: Promote sustained, inclusive and sustainable economic growth, full and productive employment and decent work for all
Trained individuals in oilseed producing communities
The CAMARTEC Oil Press Machine is produced through 9 local manufacturers in Tanzania
The product can be obtained directly from the manufacturer
Over 100 of the oil presses were sold in Tanzania until 1992
List of crops that this technology can extract oil from
Amount of oil extracted, in liters
Amount of produce that can be cracked to extract oil, measured in kilograms per hour
How is the technology powered?
What is the power rate of the motor running the equipment, measured in kilowatts
The oil press expels oil by the application of pressure to seeds inside a cylinder and cage by means of a piston and a system of levers. Under the pressure built in the cage the seeds release oil. To operate the machine a handle is used to press the seeds. One requirement of operation of the oil press is that the oil pressing process should be continuous from the beginning to end.
The machine is designed to be portable and to be repaired locally.
Specifications: -Mass: ~40 kg -Piston diameter: 30 mm -Handle length: 1 m -Bushing: none -Cage shape: straight
Image of a typical ram press. The piston of the press is operated by moving a long handle back and forth. The press may be mounted on either a steel or hardwood base for portability or, for greater stability, fixed in place on a cement platform with bolts.
The user needs to lubricate parts like the bolts and nuts weekly. Also, they should be retightened and cleaned twice a week.
It is designed to be operated by one man with a stroke rate of 12 to 20 strokes per minute
The press’ extraction efficiency has been vetted by scientists at Kebbi State University of Science & Technology, Nigeria
Warra, A. A., 2011, Sesame (sesamum indicum L.) seed oil methods of extraction and its prospects in cosmetic industry: a review. Bayero Journal of Pure and Applied Sciences, 4(2): pp 164-168.
Uziak, J and Loukanov, I. A., 2007, Performance Evaluation of Commonly Used Oil Ram Press Machines. Agricultural Engineering International: the CIGR Ejournal. Manuscript PM 07 019,
Vol. IX, October, 2007.
Hyman, E. L., 1993, Production of Edible Oils For the Masses and By the Masses: The Impact of the Ram Press in Tanzania. World development, 21(3): pp 429-443.
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