Automatic Coconut Cutting Machine

DEPARTMENT OF MECHANICAL
AND MANUFACTURING
ENGINEERING
Project Topic; Automated Coconut Cutting Machine
Name ID
ZIKU JOSHUA KWABENA UE20035316
AKROFI PERCY OBENG UE20030416
SALIU ABDUL RAZAK UEB1209718
ASIEDU AARON ASAMOAH UE20031516
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INTRODUCTION
Coconut is one of the most available fruit that can be seen everywhere in
Ghana. It has more health benefits which people are ready to go in for.
Doctors and food researches hold that coconut have some health benefits to
the human system when taken on regular bases.
The juice contains glucose, vitamins, hormones and minerals, and is widely
considered to be a refreshing drink. The flesh contains carbohydrates, calcium
and phosphorus by which most people are readily to opt in for
This project aims at designing an automated coconut cutting machine to

enable easy and safe extraction of the juice and food.
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Among 97 coconut producing countries, 15 were selected for a sample study from
the year 2005 to 2015, Ghana was ranked 3rd among the selected countries on the
average coconut productivity.
According to Mr. Kwaku Boateng, CEO of Green coast consult, coconut farming is
second to cocoa production in Ghana.
In Ghana, coconut is used for agricultural, domestic and some health purposes.
Coconut is used for making beverages in the food processing industry, it is also
used in artefact making and decoration as well.
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Below is a table that shows the range and percentages of coconuts sold
daily by some selected vendors in Kumasi.
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HOW COCONUT IS BEEN PREPARED
The fruit is been prepared by placing the tender coconut on a firm surface
or in hand and slice off a portion of the immature husk at an angle. This is
done by cutting the narrow tip where the fibre content is less exposing the
hard shell using a sharp machete or just a sharp knife.
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This image shows how the fruit is been prepared
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Ghana’s coconut production quantity
The total coconut production quantity (tons) whether inside or outside
the agricultural sector from 1961-2017, including commercial and non-
commercial production is shown in the next slide.
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Coconut production quantity
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Problem Statement
• There are lots of danger associated with the cutting of coconut using
the traditional way. It is very stressful and time involving when large
number of coconuts are to be cut for commercial purposes.
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Image showing the danger and stress involved in cutting coconut
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Justification
Coconut selling can generate decent income compared to general
labour in the industrial sector, but due to the dangers involved in the
cutting and its stressful nature, it fails to attract young entrepreneurs
into that sector of the economy especially in developing countries such
as Ghana where job opportunities are limited.
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Objectives
• The design will be able to split tender coconut into two and collect the
coconut water under hygienic conditions for drinking.
• To design a safe working coconut splitting machine with a high commercial
value.
• To design an efficient machine that is capable of operating with no or
minimal damage.
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Methodology
The design concept would be accomplished by the torgue of a running
motor.
The machine consists of 6 main parts:
1. Machine Frame
2. Cutting base
3. Knife set
4. Stepper Motor
5. Tank for receiving coconut juice
6. Arduino set with sensors
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Operation
• The coconut would be placed on an inclined plane for it to slope inside the
machine.
• The sensor in the machine will detect the presence of the coconut and give
feedback to an Arduino microcontroller with microprocessor, this starts the
stepper motor.
• The stepper motor starts with a high torgue and moves the lever, which the
cutting blade is connected to.
• The cutting blade is now pressed against the coconut for it to split.
• After the number of revolution programmed on the microprocessor is
completed, the motor reverses, lifting the cutting blade to its initial
position.
• The coconut juice is extracted into a tank whiles the splitted fruit is
collected in a separate tank.
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Scope
The proposed project will focus on the splitting of large number of
tender coconut into two and the collection of the juice within a short
period of time.
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Cost analysis
ITEM DESCRIPTION QUANTITY UNIT PRICE ₵ TOTAL ₵
NO.
1. Cutting blade /knife set 1 60 60
2. Angle bar 8 30 240
3. Metal plate 2 100 200
4. Motor 1 450 450
6. Electrode 2 packs 30 60
7. Tanks 2 30 60
8. Sensor and Arduino pack 1 200 200
9. Shaft 1 130 130
10. Bolts and nuts 7 5 35
11. Workshop processes 600
12. Miscellaneous 300
TOTAL 25 2350
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Work plan
S/NO ACTIVITY TIME (WEEKS) SYMBOL
1 PLANNING AND ORGANISING 2 A
2 LITERATURE REVIEW 12 B
3 DEVELOPMENT OF CONCEPTUAL DESIGN 10 C
4 EVALUATION AND SELECTION OF CONCEPTUAL DESIGN 2 D
5 CONSTRATION AND DESIGN OF THE SELECTED DESINGN 6 E
6 REPORT WRITING 16 F
7 MISCELLENEOUS 2 G
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Work chat
time 1 2 3 4 5 6 7 8 9 10 11 12
activities
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DEPARTMENT OF MECHANICAL

ZIKU JOSHUA KWABENA UE20035316

AKROFI PERCY OBENG UE20030416

SALIU ABDUL RAZAK UEB1209718

ASIEDU AARON ASAMOAH UE20031516

This project aims at designing an automated coconut cutting machine to

1. Cutting blade /knife set 1 60 60

2. Angle bar 8 30 240

3. Metal plate 2 100 200

4. Motor 1 450 450

8. Sensor and Arduino pack 1 200 200

9. Shaft 1 130 130

10. Bolts and nuts 7 5 35

11. Workshop processes 600

12. Miscellaneous 300

1 PLANNING AND ORGANISING 2 A

3 DEVELOPMENT OF CONCEPTUAL DESIGN 10 C

4 EVALUATION AND SELECTION OF CONCEPTUAL DESIGN 2 D

5 CONSTRATION AND DESIGN OF THE SELECTED DESINGN 6 E

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