1. Cloth Guider Control System Chinthaka A.K. 08/8554 MSc in Electronics and Automation 2008

2. Cloth Guider Cloth Guiders are quite effective in accurately correcting the Zig-Zag movement of running web (fabric, leather, film) in stretching and removing the wrinkles Cloth Guiders are used in Textile Industry almost all stages of production – Winding – Rewinding – Cloth processing – Printing – Dyeing – Bleaching – Printing inspection – Batching

4. Cloth Guider Operation

5. Cloth Guider Operation Cont..

6. Types Different Cloth Guider Types are – Mechanical Cloth Guider Cheapest Has many moving parts Require frequent service & replacement – Pneumatic Cloth Guiders Pneumatic cloth guider requires only normal compressed air with little maintenance cost. Can be used on chemicals, wet conditions No chance of electrical shock – Electrical Cloth Guiders < < My Project Focus Electrical Cloth Guiders are working on 55/65 volts D.C supplied to its solenoid

7. Examples

8. Some Specifications

9. Electrical Cloth Guider Control System Sensors – IR sensors – LDR – Photo Diodes or Photo Transistors Actuators – Motor or Double Acting Cylinder Controller – Two relays are operated according to the sensory inputs

10. Business Problem - TextPro Garment Specific Mechanical Problem – Fork Type IR Sensors had lesser length – So frequent out of order in sensing Electrical Problem – Frequent replacement of electronic control system part is required due to device failures – Less Reliable in continuous run

11. Why TextPro Expects This Device Replacement Cost – Rs. 1,15,000 per device No place to buy this device in local market – Require to import each device from India

12. My Work To Provide – low cost solution – reliable product

13. Sensor Side Logic Design

14. TL084 Based Hysteresis Control Part

15. Final Design

16. PCB Design

17. Circuit Implementation

18. Circuit Mounted on Enclosure

19. Modes of Operations Manual Auto

20. System Before bring to TextPro

21. Thank You