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Design And Fabrication Of Motorized Operated Groundnut Decorticating Machine
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CHAPTER THREE
GENERAL DESCRIPTION AND ITâ€S WORKING PRINCIPLE
It
consist of a hopper, double crack lever mechanism an oscillating sector
with sieve bottom and motor all fixed on a frame. A number of cast iron
peg assemblies are fitted in the oscillating sector and the fixed
perforated concave screen. The decorticated sheller and kernel fall
downward through perforated concave sieve. The kernel are collected
through the spot at the bottom, the shell are throw away after the
operation from
DESCPIRTION OF COMPONENT PART OF THE MACHINE
Decorticator
machine: is the machine used to remove the kernel from the groundnut
pods. There are two common principle used. The principle are
1. The rotary type and Semi rotary
3.1.1 THE ROTARY TYPE
The
rotary decorticator machine work in principle, in a way similar to a
career thresher, except that it run at low or high speed and has
different specific clearances between the moving mechanized and
stationary parts. It usually has a slower attachment to remove the shell
from the decorticated pods.
SEMI ROTARY TYPE
In this type of
shelling machine, a beater with low spikes or peg is made to swing “TO
and FRO†.Destination occurs by the rubbing action of the swinging
beater against the bottom concave and the kernels and shell pass through
the slots to be separated later.
The size of the slot varies
according to the variety of groundnut and it is possible to change the
bottom concave. Plate to put in one with correct slot size for a
particular variety of groundnut.
The beater concave clearance can
also be set at different valves according to the variety of groundnut
being handled. The project works on the principle of the semi rotary
type
The complete groundnut shelling machine consist of the following components.
a. The slots of the shelling machine in which the shelled groundnut and the shaft passes through
b.
The mechanism which consist of the hand, spikes welded to drill bar to
which size, if the spikes and the barging cast steel drilled also
tightened with the help of bolt and nut to hold into shape
c. The main body
d. The main frame table
e. The blower that blow away the pods.
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ABSRACT - [ Total Page(s): 1 ]ABSTRACTShelling farm products are major essential in human needs on their various, duration, fashionable on affordable groundnut decorticator machine power operated through the use of link mechanisms that allows quick return motion in order to eradicate the use of hand, pestle and mortal, manual shelling machine operated. Groundnut decorticator machine with the ability of shelling quality groundnut with high durability at a price affordable to an average Nigerian has been a problem. This projec ... Continue reading---
TABLE OF CONTENTS - [ Total Page(s): 1 ]TABLE OF CONTENTTitle Page Approval PageDedicationAcknowledgementAbstractTable of contentCHAPTER ONE1.0 Introduction1.1 Literature Review & Background of Groundnut Decorticator 1.2 Aim’s & Objectives of groundnut Decorticator.1.3 JustificationCHAPTER TWO2.0 Analysis of Alternative to Motorized Operated Groundnut Decorticator2.1 Traditional Method of Decorticator2.2 Handling Metho ... Continue reading---
CHAPTER ONE - [ Total Page(s): 1 ]CHAPTER ONEINTRODUCTIONGroundnut decorticator is a machine used in decorticating or shelling groundnut, shelling is the removal of kernel from pods. The spectacular increase in the use and number of hand operated decorticator throughout the northern states in Nigeria coupled with the poor quality of decorticated groundnut generally seen has made it necessary to recommend practices on the general operation and adjustment of the common hand decorticators So the manufacturing engineers brain ... Continue reading---
CHAPTER TWO - [ Total Page(s): 2 ]CHAPTER TWO2.0 ANALYSIS OF ALTERNATIVES TO MOTORIZED OPERATED GROUNDNUT DECORTICATING MACHINEGroundnut decorticator machine is a means of shelling groundnut i.e removal of kernel from pods, it has many alternatives. Alternative in the sense that those other things that can be used in place of motorized groundnut decorticator machine These alternative are as follow  Hand, mortar, pestle and sack Manual operated decorticated machine2.1TRADITIONAL METHOD OF DECOR ... Continue reading---
CHAPTER FOUR - [ Total Page(s): 2 ]CHAPTER FIVE4.0 DESIGN CALCULATION4.1 SPEED RATIO ANALYSIS The following evaluation for belt and pulleySn/Sr = Dr/Dn -----------------------(1) Where Sn= Speed of driven pulley in rpm Sr= Speed of driven pulley in rpm Dr= Diameter of the driver pulley in cmm) Sr= 1440rpm Sr=w=2Ï€/60 1440= 150.819rad/secDn=300mmDr= 100mmSn=?Substitution the values into equation we obtain Sn= 100/300 x Sr= 100/300 x 1440/60 x 2Ï€rad/sec= 50.30rad/secSPEED RATIO ... Continue reading---
CHAPTER FIVE - [ Total Page(s): 2 ]CHAPTER FIVE SELECTION OF MATERIALSIn the engineering sphere, to achieve the desire standard, strong valuable and very attractive high quality product. The selection of material for any fabrication work must be one as its best. The selection of material is therefore should be based on the properties of that material is to be used in relation to the purpose for which the project is giving to serve.Similarity the withstand certain amount of wad and the durability of such material should be sel ... Continue reading---
CHAPTER SIX - [ Total Page(s): 1 ]CHAPTER SIX6.0 CONCLUSION Groundnut is one of the major cash crop that is widely grown in Nigeria because of its value as foreign exchange earner and has increase continues to generate interest. Shelling of groundnut is done locally as cracking the pod by hand, using mortal and pestle which are laborious and time consuming. This reason has call for the fabrication energy cost involving in traditional ways of shelling groundnut. The efficiency of the design fabrication groundnut ... Continue reading---
REFRENCES - [ Total Page(s): 1 ]REFERENCES1. Ayantola, A.A (2009); “Ifand Manual on Design of machine elements†Kwara State polytechnic Ilorin Department of mechanical Engineering pp 10-17 and 39-54.2. Ebenezer Clement, (20100; “Fabrication of a Groundnut decorating/Decorticator (manual Operated) machine protect Report for the Award of national diploma in Agricultural Engineering.3. John Bold, (1976); Tools for Agricultureâ€, A buyer’s avoid to low cost agricultural Implements Lo ... Continue reading---
