coconut dehusking machine project literature review

Development of a Coconut De-Husking Machine

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• First Online: 18 August 2023
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• Oluwasina Lawan Rominiyi 40 ,
• Salim Mohammed 40 ,
• Ayodeji Olalekan Salau   ORCID: orcid.org/0000-0002-6264-9783 41 ,
• Shruti Jain   ORCID: orcid.org/0000-0002-7538-0584 42 ,
• Johnson Felix Eiche 43 &
• Olarenwaju Thomas Oginni 44  

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 1040))

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• International Conference on Emergent Converging Technologies and Biomedical Systems

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There are various techniques for de-husking coconut. These techniques are used to a great extent in taking off the exocarp of a coconut (husk), but these techniques have many concerns and restrictions. These issues reduce the production rate of de-husking coconut. These methods are more dangerous and harmful to the user. The paper aims to reduce human effort and accidents when de-husking using crude tools as well as maintaining a hygienic environment. This paper majorly focuses on the development of a coconut de-husking machine. The machine consists of a frame for support. It has two rollers with blades parallel to each other. The 5 h.p electric motor powers the machine by using a chain drive to transmit power to the shaft which rotates the roller blades. As the blade roller rotates, the husk is removed. The machine can de-husk a coconut within 30 s which is faster than the manual de-husking method which takes approximately 250 s. It can de-husk coconut of different types and sizes. The machine is also found to be approximately nine times faster than the manual de-husking method. This new coconut de-husking machine will help increase an economy that relies on coconuts for the renewable energy industry and coir product firm. This machine will be useful to the coconut processing factories.

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Nair RV, JO, O, Ikuenobe CE (2003) Coconut nursery manual. Institute for Oil Palm Research, pp 3–22

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Nwankwojike BN (2012) Development of a coconut Dehusking machine for rural small scale farm holders

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Khurmi RJ, Gupta JK (2005) A text book of machine design. Eurasia Publishing House

Azmi H, Sanuddin AB, Zakimi MZ, Jamali MS, Radhwan H, Khalil ANM, Akmal ANA, Annuar AF (2015) Design and development of a coconut dehusking machine (machine component design). J Adv Res Design 4:9–19

Vargheser A, Jacob J (2014) A review of coconut husking machine. Int J Adv Res Eng Technol (IJARET) 5(3):68–78

Navaneethan R, Prasath NN, Pradeep G, Santhana Prabhu K (2020) Review on coconut Dehusking and cutting machine. Int J Eng Appl Sci Technol 4. http://www.ijeast.com

Salau AO, Adaramola BA, Rominiyi O, Agabalajobi K, Srivastava P, Kumar N (2021) Development of a smart multi-level car parking system prototype. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-9956-9_64

Salau AO, Deshpande DS, Adaramola BA, Habeebullah A (2021) Design and construction of a multipurpose solar-powered water purifier. In: Smart innovation, systems and technologies, vol 196. Springer, Singapore, pp 377–387. https://doi.org/10.1007/978-981-15-7062-9_37

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Department of Mechanical and Mechantronics Engineering, Afe Babalola University, Ado-Ekiti, Nigeria

Oluwasina Lawan Rominiyi & Salim Mohammed

Department of Electrical/Electronics and Computer Engineering, Afe Babalola University, Ado-Ekiti, Nigeria

Ayodeji Olalekan Salau

Department of Electronics and Communications Engineering, Jaypee University of Information Technology, Solan, Himachal Pradesh, India

Shruti Jain

Department of Mechanical Engineering, Olusegun Agagu University of Science and Technology, Okitipupa, Ondo State, Nigeria

Johnson Felix Eiche

Department of Civil Engineering Bamidele, Olumilua University of Science Education and Technology, Ekiti State, Ikere-Ekiti, Nigeria

Olarenwaju Thomas Oginni

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Correspondence to Shruti Jain .

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Jaypee University of Information Technology, Solan, India

University Institute of Engineering and Technology, Kurukshetra University, Kurukshetra, Haryana, India

Nikhil Marriwala

NITTTR Bhopal, Bhopal, India

C. C. Tripathi

Department of Electrical and Computer System Engineering, RMIT University, Melbourne, VIC, Australia

Dinesh Kumar

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Rominiyi, O.L., Mohammed, S., Salau, A.O., Jain, S., Eiche, J.F., Oginni, O.T. (2023). Development of a Coconut De-Husking Machine. In: Jain, S., Marriwala, N., Tripathi, C.C., Kumar, D. (eds) Emergent Converging Technologies and Biomedical Systems. ETBS 2022. Lecture Notes in Electrical Engineering, vol 1040. Springer, Singapore. https://doi.org/10.1007/978-981-99-2271-0_11

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DOI : https://doi.org/10.1007/978-981-99-2271-0_11

Published : 18 August 2023

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Development and Performance Evaluation of Coconut Dehusking Machine

-Contrary to the immense economic importance of coconut for both industrial and domestic uses, dehusking of the fruits after harvesting constitutes the most difficult and dangerous operations during processing. Performance evaluation of coconut dehusking machine was carried out. The machine was designed and fabricated using locally sourced materials. It consists of the supporting frame where the machine components were mounted. The de-husking unit consists of two galvanized steel pipe rollers with spikes and shafts. The driving and driven roller shafts are mild steel rods supported at both ends by ball bearings. Six spur gears were used with various pitch circle diameters and number of teeth respectively, and were attached proportionally to the driving and driven roller based on their functions in the machine. The flywheel is driven by a pinion which is attached to pulley and connected with a V-belt to the pulley of the electric motor, and rotates at the same speed with the driving gear. Two middle gears mounted on the same shaft with the flywheel were also incorporated to produce high torque. When the motor is switch on, power is transmitted through the gearing arrangement to the rollers with plurality of spikes and rotate them in opposite directions towards the center there by causing both the gripping and tearing of the husk when coconut is placed in between the rollers. While the rollers rotate, a feeding clamp welded to the frame is used to feed coconut fruit in the de-husking unit and a spring is attached to enable relative motion between the coconut fruit and the rollers during de-husking. Different sizes of coconut fruits were loaded at different times on the machine and the time taken for each fruit to be dehusked was recorded. A total of 80 fresh nuts were tested. The performance evaluation shows that the average efficiency of the machine was 92.50% while the average capacity is 120.6 coconuts per hour. On the other hand, the percentage number of distorted and broken coconuts were 7.5% and 3.75%. These figures are however infinitesimal Compare to the existing coconut dehusking machines. Hence it is recommended for use by farmers.

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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...

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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.

International Journal for Research in Applied Science and Engineering Technology IJRASET

IJRASET Publication

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.

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