Development and Performance Evaluation of Coconut Dehusking Machine (original) (raw)
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Design And Development Of A Motorized Coconut Dehusking Machine
2018
The motorized coconut dehusking machine was designed using AutoCAD and made of locally available materials using local manufacturing technology and tested to evaluate its performance in terms of dehusking capacity, de-husking efficiency, percent nut damage and energy consumption at different angular speed of dehusking rollers and nominal diameter of nuts; three levels of dehusking roller’s angular speeds (50 rpm, 60 rpm and 70 rpm) and three levels of nuts’ nominal diameters (178 mm, 212 mm and 248 mm) were used. The study was laid-out in two-factorial experiment in randomized complete block design. The performance evaluated in terms of dehusking capacity, de-husking efficiency, percent nut damage and energy consumption at different angular speeds of dehusking rollers and different nominal diameters of nuts indicated that the dehusking capacity was dependent on the angular speed and nominal diameter of coconut as well as their interaction. A dehusking capacity of 271 nuts per hour w...
Performance Characteristics of a Coconut Dehusking Machine
2018
A coconut dehusking machine was developed and evaluated in terms of dehusking performance. The model consists of different component assembly parts such as speed reduction, transmission, coconut base, dehusking blade, frame, and control system. It is powered by a 7.5 hp gasoline engine and with an average output capacity of 240 coconut per hour. Its salient features which give it an edge over other existing machines in attaining effective dehusking are as follows: 1) a dehusking blade with cutting tooth and blade side face angle, 2) movable coconut base assembly, 3) ability to remove husks starting at the basal portion, which is the softest part of the coconut, and 4) operable by a single person. The cutting tooth initiates the initial penetration of the blades while the side face angle can assist better piercing or shearing action on the coconut husks. The coconut base can be moved upward or downward and can accommodate different coconut sizes. The effects of different factors whic...
Manually Operated Coconut Dehusking Machine for Rural Agriculturist
2020
Dehusking of coconut is the major work after harvesting the coconut from the coconut plant. In existing manual dehusking methods available equipment's causes injury to the personal [1]. Also, it gives husk, which is important material for coir processing industry. Considering the drawbacks of electrical/hydraulic dehusking methods such as power requirement, high initial cost etc., and manual coconut dehusker has been developed and the machine has a provision to dehusk all sizes of nuts. The major parts of manually operated coconut dehusker are blades, L- rod, disc lever, table, spring. Dehusking table is provided with three set of teeth's, which are opened and closed when operated with bottom disc plate. The teeth are placed 120 degree with each other in circular arrangement to accommodate the all sizes of coconuts. One set of fixed blades are welded to table and another set of three triangular shaped moving or opening teeth attached to end of the L-rods. The L-rods pivoted ...
Design and Fabrication of Coconut Dehusking Machine
Zenodo (CERN European Organization for Nuclear Research), 2023
The main objective of this machine is to remove the coconut shell and to eliminate the skilled labour involved in dehusking. The coconut outer shell is a fibrous husk one to two inches thick. This paper deals with the design and fabrication of pneumatic operated coconut dehusking machine. This project is aimed at producing an efficient and more economical machine for coconut industry. The coconut is known for its great versatility as seen in many domestic, commercial, and industrial uses of its different parts. Coconuts are different from any other fruits because they contain large quantity of tender and when immature they are known as tender-nuts or jelly-nuts and may be harvested for drinking. When they mature they still contain some water and can be used as seed nuts or processed to give oil from the kernel, charcoal from hard shell and coir from fibrous husk. One traditional method used for coconut dehusking is using a machete. This is done by using human energy. This method is risky and tedious and yet requires skills. Hence an alternative is suggested in our project which reduces time involved in coconut dehusking and human effort. Depending upon the survey different sizes of coconut are determined. The machine is designed to accommodate different sizes of the coconut that are cultivated anywhere in the world.
2016
ARTICLE INFO India is the world’s third largest producer of coconut after the Philippines and Indonesia. India alone accounts for about 70% of the world production of coir and coir products. The total output of coir and coir products in India is estimated to be around Rs.1500.00 crore including exports of Rs.350.00 crore. All the parts of coconut orchard such as coconut husk, shell, copra, coconut water are useful. Coconut husk is used in coir industry, shell as a fuel, copra as food, coconut water as nutritious liquid. There are many farm equipment’s and tools which are developed for the post harvesting operation of horticultural crops. The dehusking of a coconut is regarded as the most time consuming, tiring, and difficult operation to perform and involves much human drudgery. Many attempts has been done to perform coconut dehusking manually as well as mechanized. Dehusking with traditional hand tools like machete or a spike depends on the skill of worker and involves training. No...
Development of Coconut Dehusker Machine for Small Scale Industry
Journal of Applied Agricultural Science and Technology
West Sumatra-Indonesia has potential to plant coconut due to the coastal location, sunshine level with average temperature 27oC. Coconut is a very productive plant. Coconut dehusking is one of the process that takes a lot of time and energy. Most of the farmer still using human manual labour with the help of tools made of iron or wooden crowbar that is mounted standing vertically with the blade facing upward about 80 cm from the ground. To increase the number of coconut products, it is designed the coconut dehusker machine. The main component of the machine were two rollers that rotate each other in opposite directions with each roller embedded iron-shaped nails that work to tear the coconut husk. Each roller has a different rotational speed. This machine has dimensions of 98 cm x 51 cm x 95 cm. Roller length is 50 cm and diameter 4 inches. The power source of the machine is a 2 HP electric motor, the speed was reduced by using 2 speeds reducer with the ratio of 1:20 and 1:30 respe...
Current Journal of Applied Science and Technology
The aim of this paper is to present recent developments related to power operated coconut dehusking and deshelling machines. Coconut is a fruit of great value as every part of the fruit is commercially viable. To utilize coconut fruit and its parts, it is necessary to remove the coconut husk and to break the coconut shell. Coconut husking and shell breaking are traditionally labour-intensive operations. Both the mentioned operations are tedious, require skills and prone to harm the worker. There are many attempts to reduce the human drudgery involved in coconut processing operations by making machines which can dehusk and deshell the coconuts. The paper simply explains working mechanisms, features and capacity of recently developed machineries in the field of coconut dehusking and deshelling. The different types of working mechanisms used for coconut dehusking and deshelling can be overviewed from this review, which can be helpful for further developments in this field.
Development of Coconut De-husking Machine
International Journal for Research in Applied Science and Engineering Technology IJRASET, 2020
Generally, coconuts are de-husked manually using a machete or a spike. These methods require skilled labour and are laborious to use. Attempts made so far in the development of de-husking tools have only been partially successful and not effective in replacing manual methods. Considering, the drawbacks of manual de-husking of manual de-husking methods, existing automated de-husker, power operated coconut de-husking machine was developed. The power operated coconut de-husking machines operates on 1hp electric motor. It consists of main parts like frame, electric motor, speed reduction unit and de-husking unit. Single person is required for operating the de-husker. It can be operated by unskilled labour. Cost benefit analysis indicates that it should be commercially valuable. Keywords: frame, electric motor, speed reduction unit and de-husking unit, I. INTRODUCTION Nowadays, with the development of modern technology, with scope of this project was to design and develop a coconut fiber extraction machine for farmers and small scale coir industries in India to provide an effective solution to the difficulties in existing process, reduce time and labour cost and to develop a compact coconut fiber extraction machine which could be used in remote villages so that unutilized husks from such areas could be tapped and fiber could be made available to the Coir Industry directly. This project was taken up to develop a promotional strategy for a new innovation and generate public awareness regarding the availability of a coconut fiber extraction machine in the market at a reasonable cost. The design and fabrication activities involved in developing an automated coconut de-husking machine. The main purpose of this machine is to eliminate the skilled operator involved in de-husking the coconut and to completely the de-husking and crown removing process. Farm mechanization increases the effective utilization of machines to increase the productivity of land and labor. Besides it helps in reducing the drudgery, time and cost of cultivation in farm operations.
Review on Coconut Dehusking and Cutting Machine
International Journal of Engineering Applied Sciences and Technology, 2020
Coconut is one of the important ingredients in Indian household. It is widely used for cooking and also for the extraction of coconut oil. Though coconut is used widely in all parts of India, dehusking of coconut is not an easy task. Husk in botany is the outer shell or coating of a seed. It often may refer to the leafy outer covering of a coconut. Literally, a husk or hull includes the protective outer covering of a seed, fruit or vegetable. The dehusking machine is capable of removing husk from the coconut in an easy way and also time consumption is very less when compared to manual process. The model consists of a motor, gear arrangement, rollers with spikes, and a pressing plate.