Need Statement

SBM Bank understands the difficulty of its employees in their routine activities.Bank is wishing to make their employees work easier by automating coin counting marginally.

1.2Question and Answer

Table 1:Questions And Answers

Sl.No.	Questions	Answers	Objectives/Constraints/Functions
1	Do you want the machine to be portable or non-portable?	It must be potable machine .	Objectives
2	What is the number of coins you want the machine to count?	10 coins /min.	Constraints
3	Should the machine be automatic or semi automatic?	semi automatic .	Objective
4	What is the space for the machine?	2ft2ft2ft	Constraint
5	What is the source of power?	Battery.	Objectives
6	Do you want any special features?	should have digital display.	Functions
7	What will be the working time of the machine?	Atleast 3 hrs.	Constraints
8	When do you expect the delivery of the machine?	1 month.	Constraints
9	Do you expect any power saving measures?	It must standby when not in use.	Function
10	Do you like the machine to be economical?	It must be user friendly and easy to maintain.	Objective
11	Do you want any other extra features?	Should alert after counting the coin.	Objective
12	Servicing of machine?	Servicing the machine should be cheap/cost effective.	Objective
13	How do you want the body of machine to be?	It should be hard and durable and should look good.	Objective
14	Maintance of Machine?	It should be easy to clean, parts must be modular.	Objective
15	What is the budget of the machine?	4000	Constraint
16	How do you expect design of machine to be?	should be simple and attractive.	Objective
17	Any design suggestions?	It should not have any sharp pointing edges.	Constraint
18	What other features are expected?	It should have a indicator to signal process completion.	Function

1.3 Basic Survey and requirements

Table 2:Observations from a literature Survey

Sl. No.	Observation from surveys	Requirements
1	Cost	Budget is maximum of Rs.4000
2	Weight	Machine should be light and transportable
3	No. of coins the machine should count	10 coins/min
4	Materials to be used	Lightweight, waterproof ,non-rusting

1.4 Identifying client 's objectives

Step 1 :Prepare a list of design constraints

Sl.no.	Objectives
1	The machine should be able to sort the coins
2	It should be portable
3	It should alert after sorting
4	Easy to maintain
5	Should be hard and durable
6	Should be easy to clean
7	Signal after completion

Problem definition version 1.1:-

Design a semi-automatic machine that sorts the coins ,it should be portable, and should be user friendly.

1.5 Identify Constraints

Step 1: Prepare a list of design constraints

Sl.no.	Constraints
1	Machine should be lightweight
2	No. of coins to be counted
3	Cost must be below Rs.4000
4	Space occupied top be 2ft2ft2ft
5	Working time must be atleast 5 hrs/day
6	Delivery time
7	Sharp edges must not be there

Problem definition version 1.2:-

Design a machine sorts the coins which is portable.It should be user friendly. Machine should not exceed the weight of 2 kg .Machine should be of dimensions 2ft2ft2ft which can count at least 10 coins/min. It should not exceed the budget of Rs.4000.

Problem Definition Version 1.3:-

Design a semi-automatic coin counting machine, which is able to accurate counting process, it should be portable and user friendly. Machine should not exceed the weight of 2 kg, should be able to count 10 coins per minute, budget to build the machine should not exceed Rs.4000 and it should work for 5 hours continously. Machine should show the signal after counting is completed. Machine should have smooth finish . Machine should not have sharp edges .Machine should be cleaned easily. Machine should be hard and durable .