6.0 Virtual Implementation - P-Division-2022-2023-Odd/Repo13 GitHub Wiki
6.1 3D Modelling
For Punching
Base Sheet
Crank
Slider
Punch
L Clamp
Motor Holder
For Dispensing
Punching Base
Pinion
Rack
Rack And Pinion
Stack Holder
Punching Base
Stepper Holder
Rack Support
Complete System
6.2 Circuit Design
Circuit For Punching
Circuit For Dispensing
Circuit Of Entire System
6.3 Flow Chart
Flowchart For Punching
Flowchart For Dispensing
Flowchart For The Entire System
6.4: Bill of Materials
Bill of Materials for Punching
| SL. No. | Parts Required | Quantity | Specifications |
|---|---|---|---|
| 1 | Foam Board Base (with 5mm diameter hole at the centre) | 1 | 200mm x 250mm x 30mm |
| 2 | Acrylic Short link | 1 | 110mm x 18mm x 4mm |
| 3 | Acrylic Big Link | 1 | 225mm x 18mm x 4mm |
| 4 | L Clamp | 1 | - |
| 5 | Bolts | 4 | m5 25 cm |
| 6 | DC Motor | 1 | 60 RPM |
| 7 | DC Motor relay | 1 | 2 channel 5v relay |
| 8 | IR Sensor | 1 | HC-SR505 |
| 9 | Adapter | 1 | 12V 1A adapter |
| 10 | Nylon Rod | 1 | 8 mm |
| 11 | LEDs | 2 | Red and Green |
| 12 | Spring | 1 | 2cm x 2cm |
Bill of Materials for Dispensing
| SL. No. | Parts Required | Quantity | Specifications |
|---|---|---|---|
| 1 | Rack and Pinion | 1 | - |
| 2 | L Clamp | 2 | 40 mm x 70 mm and 35 mm x 70 mm |
| 3 | IR Sensor | 1 | HC-SR505 |
| 4 | Nylon Rod | 1 | 250mm x 12.5mm x 10 mm |
| 5 | Adapter | 1 | 5V 1A |
| 6 | LEDs | 2 | Red and Green |
| 7 | Stepper motor | 1 | 28byj-48 |
| 8 | Stepper motor driver | 1 | ULN2003 |
Bill of Materials for Outer Body
| SL. No. | Parts Required | Quantity | Specifications |
|---|---|---|---|
| 1 | Foam board sides (5mm) | 4 | 200mm*250mm |
| 2 | Foam board base (10mm) | 1 | 100mm*150mm |
| 3 | Foam board top (3mm) | 1 | 100mm*150mm |
| 4 | Buzzer | 1 | 2kHz noise |
6.5 Mechanisms And Resource Specifications
Motor Sizing: DC Motor (Punching):
Volume of linkages = 241.2 cm^3
Volume of die = 366.440 cm^3
Density of acrylic sheet = 1.18 g/cm^3
Density of foam board = 0.961 g/cm^3
Mass of linkage = density of acrylic x volume of linkage = 1.18g/cm^3 x 241.2 cm^3 = 284.616 g = 0.284616 kg
Mass of die = density of foam board x volume of die = 0.961 g/cm^3 x 366.440 cm^3 = 352.1 g = 0.3521 kg
Total mass = mass of linkage + mass of die = 0.284616 + 0.3521 kg = 0.636716 kg
Spring constant (k) = F/x = Total mass/Displacement
k = 0.636716 kg / 2cm
k = 0.3181421 kg/cm
Torque = Total mass x radius (length of short link) = 0.636716 kg x 11 cm = 7.003876 kg-cm
Torque with spring = 7.003876 / 0.3181421 = 2.2024767 kg-cm
Factor of Safety = 1.5
Torque x Factor of Safety = 2.2024767 kg-cm x 1.5 = 3.30317 kg-cm
60 RPM DC Motor is used
Adapter Sizing (Punching):
Operating voltage for DC Motor = 12V
Current drawn by motor at full load = 300mA
No of DC Motor = 1
Factor of Safety = 1.2
Operating Current = 1x300mA = 300mA x 1.2 = 360mA
Therefore 12V 1A Adapter is used