Cloth Guider Control System
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Transcript of Cloth Guider Control System
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Cloth Guider Control System
Chinthaka A.K.08/8554MSc in Electronics and Automation 2008
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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
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Cloth Guider Operation
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Cloth Guider Operation Cont..
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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
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Examples
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Some Specifications
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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
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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
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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
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My Work
• To Provide – low cost solution– reliable product
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Sensor Side Logic Design
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TL084 Based Hysteresis Control Part
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Final Design
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PCB Design
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Circuit Implementation
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Circuit Mounted on Enclosure
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Modes of Operations
• Manual• Auto
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System Before bring to TextPro
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Thank You