3. PROBLEM DEFINITION - P-div-2023-24-ODD/Repo-12 GitHub Wiki
Need statement:
A paper cutting machine that cuts papers. Because of the increasing demand , the client wishes to go for semi automatic paper cutting machine.
3.1 Question and Answer
Table 1 : Questions and Answers
| Sl.no. | Questions | Answers | Objective | Function | Constraint |
|---|---|---|---|---|---|
| 01 | What is your budget? | less than or equal to 5k | yes | ||
| 02 | What should be the weight of the machine? | less than or equal to 4kg | yes | ||
| 03 | What should be the space requirement for the machine? | 2-2 sqft | yes | ||
| 04 | What should be the colour of the machine? | black and white | yes | ||
| 05 | Whether the machine should be portable? | yes | yes | ||
| 06 | Should the sensors be used? | yes | yes | ||
| 07 | How many papers should be cut at a time? | 1 | yes | ||
| 08 | What duration of time will it take for the machine to get ready? | 3 months | yes | ||
| 09 | Should it be user friendly? | yes | yes | ||
| 10 | What should be the durability of machiene? | 2 years | yes | ||
| 11 | Should it be smooth operating? | yes | yes | ||
| 12 | Should it be semi automatic ? | yes | yes |
3.2 Basic survey and requirements
Table 2 : Observation from a literature survey
| Sl.no | Observation from Surveys | Requirements |
|---|---|---|
| 1. | Weight of Machine | It should be easy to carry and transportable |
| 2. | Cost | The machine should be built within minimum budgets |
| 3. | Number of papers to be cut | The machine should cut 1 papers at once |
| 4. | Materials to be used | Materials used to build must be non toxic and light in weight |
3.3 Identifying client's objective
Step 1 : Prepare a list of design objectives
Table 3 : Objectives identified
| sl.no. | Objectives |
|---|---|
| 1 | It should be portable |
| 2 | It should be user friendly |
| 3 | It should complete the cutting work in less time |
| 4 | It should be used for commercial supply |
| 5 | It must be smoothly operating |
| 6 | It should be economic |
Problem definition version 1.1
Design a paper cutting machine should be semi automatic and which needs to be portable. It must cut the paper in accurate manner. The machine should be user friendly.
3.4 Identify constraints
Step 1 : Prepare a list of design constraints
Table 4 : Identify constraints
| sl.no. | Constraint |
|---|---|
| 1 | The budget of the machine is less than or equal to 5000 rs. |
| 2 | The weight of the machine should be less than or equal to 4kg |
| 3 | The machine should take 2-2 sqft of space |
| 4 | The colour of the machine is black and white |
| 5 | The machine should cut 1 paper at a time |
| 6 | The durability of one machine is to be 2 years |
| 7 | It should work for 2 hours continuously |
Problem definition version 1.2
Design a paper cutting machine , which can do the paper cutting process accurately. It should be portable and user friendly. Also needs to be smooth operating. It should be economic .The budget of the machine is to be less than or equal to Rs 5000 and the weight of the machine should be less than or equal to 4kg. The machine should consume the space by 2/2 sqft and the colour of the machine is black and white. The machine should cut 1 paper at a time. The duration of time taken to manufacture one machine is 3 months. The machine should work for 2 hours continuously. The durability of machine is about 2 years.
3.5 Establish functions
Step 1 : Prepare a list of design functions
Table 5 : Identified functions
| Sl.no. | Function |
|---|---|
| 01 | The machine should cut the paper in a accurate way |
| 02 | It should be semi automatic |
| 03 | It should be speed working |
Problem definition version 1.3
Design a paper cutting machine which needs to be speed working. The machine should be small in size and user friendly. Machine should not exceed the weight of 4kg and the space consumption should be about 2/2 sqft . It should be portable and smooth working. It should be capable to be cut 1 paper at a time. The machine should be handled by 1 person. The time taken to build the machine is about 3 months . The cost of manufacturing should be less than or equal to Rs 5000 .The durability of the machine is about 2 years. The machine needs to be semi- automatic .