Practical production designing of a “Tablet Hardness Tester,” including mechanics, electronics, software, wiring diagrams, and P&ID documents.

1. By:
Zeynab Salehi
Fatemeh Ghorbani
Supervisor:
Dr. Z. Pedram
1
May 2018
Tablet Hardness Tester

2. Outline
 Introduction
 Method of design
 Calculation
 Select components
 Pneumatic Simulation
 Mechanical Design and Locating
 Wiring Diagram
 Piping and Instrumentation Diagram
2

3. Introduction
 Tablet hardness testing, is a laboratory technique used by the
pharmaceutical industry
 Testing the Breaking point of a tablet under conditions of storage,
transportation, and handling before usage
 Types:
 Manual
 Semi-Automatic
 Automatic
3

4. Introduction
4
1
Semi-Automatic
2 34 5
Manual PfizerMonsanto Strong-Cobb
6
Automatic

5. Method of Design
5
1. Electrical
2. Hydraulic & Pneumatic

6. Calculation
6
Pcom=1 bar
Qcom=2.8 LPM
Bcyl=2 in
Stroke=3 in
Adult Cold Tablet

7. Air Compressor
Select Components
7
Specification
Miniature air compressor pump (AJK-
B2706, Xiamen AJK technology, China)
Product Name
(Part No. , Company , Country)
2.8 LPMAirflow rate2 barPressure
65 gWeight6-12-24 vVoltage

8. Compressor Driver
Select Components
8
Specification
5-28 vOperating Voltage
DC Motor Driver
)MC33926, Pololu ,
US(
Product Name
(Part No. , Company ,
Country)
single brushed DC
motor
Channel3AMax. Current

9. Air Reservoir9
Select Components
Specification
1/4 Gallon (0.95
lit)
Volume
Reservoir (9125,
Ride-Rite, US)
Product Name
(Part No. , Company ,
Country)

10. Pneumatic Cylinder  Single-acting, Spring Return
 Double-acting
Select Components
10
Specification
2 inBore
Pneumatic Cylinder
(A32030SN, Nitra, US &
Canada)
Product Name
(Part No. , Company ,
Country)
Piston Area3 inStroke Length 2
3.1in

11. Solenoid Directional Valve  Spring Return
 Double Solenoid
Select Components
11
Specification
3/2 (3port,
2 position)
Type
3/2 mini Solenoid
Valve (6012p , Burket ,
Spain)
Product Name
(Part No. , Company ,
Country)
24VDCVoltage0-145 psi (0-10 bar)Working Pressure

12. Solenoid Valve Driver
Select Components
12
Specification
SOLENOID PULL 24V (527-1039-ND, Pontiac
Coil, US)
Product Name
(Part No. , Company , Country)
ElectromechanicalTechnology24VDCVoltage

13. Monitoring
Select Components
13
Specification
4-wire SPI, 3-
wire SPI, I2C
Support Interface
1.3 Inch OLED (B)
(SH1106-12864, XYG-
LCD, China)
Product Name
(Part No. , Company
, Country)
SH1106Driver chip128x64Resolution
BlueDisplay color3.3vOperating voltage

14. Linear Optical Scale
Select Components
14
Specification
Glass Linear Scale (ASD4, BiGa, China)
Product Name
(Part No. , Company , Country)
1um(1 micron)Resolution5VVoltage

15. Simulation
15
Command
Circuit
Pneumatic
Circuit

16. Mechanical Design & Locating
16

17. Wiring Diagram
17

18. Piping & Instrumentation Diagram
18

19. Special Thanks to:
Dr. Z. Pedram
& All of You