Process Control in Shearing and Cropping
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The document outlines quality and process control measures in wet processing, specifically focusing on shearing and cropping machines. Key parameters include checks for metal particles, seams, loose threads, abrasion, long threads, and cut/hole formations, with specified methods of checking and necessary actions for maintenance. The document emphasizes the importance of machine efficiency and overall productivity, recommending regular assessments to ensure optimal operation.
Process Control in Shearing and Cropping
- 1. QUALITY & PROCESS CONTROL IN WET PROCESSING PROCESS CONTROL IN SHEARING/CROPPING
- 4. IRON PARTICLES • Metal DetectionParameter • During ProcessCheck Point • Metal detector Method of Checking • No metallic particle should be present Standard/ Frequency of Checking • Efficient working of metal detector Necessary Action
- 5. • Seam detection Parameter • During process Check Point • Seam detector Method of Checking • ----Standard/ Frequency of Checking • Efficient working of seam detectore Necessary Action
- 6. • Loose threadsParameter • During ProcessCheck Point • VisualMethod of Checking • No loose threads should be remain Standard/ Frequency of Checking • Adjust the position of ledger blade Necessary Action
- 7. • Abrasion Parameter • During Process Check Point • VisualMethod of Checking • No abrasionStandard/ Frequency of Checking • Disengage emery rolls Necessary Action
- 8. • Long threads Parameter • During Process Check Point • VisualMethod of Checking • Once a ShiftStandard/ Frequency of Checking • Proper functioning of suction Necessary Action
- 9. • Cut/Hole formationParameter • During ProcessCheck Point • VisualMethod of Checking • Random checkStandard/Frequency of Checking • Proper adjustment of brushes and blades Necessary Action
- 10. • Shearing EfficiencyParameter • After ProcessCheck Point • Visual AssessmentMethod of Checking • 80 – 90%Standard/ Frequency of Checking • Proper working of the Machine Necessary Action
- 11. • Machine efficiency Parameter • During Process Check Point • Productivity Assessment Method of Checking • 70 – 75% / once a dayStandard/ Frequency of Checking • Optimum speed • Feasibility of running Necessary Action
- 12. C R Madhu Textile Processing Technology R C Technical Institute Ahmedabad, Gujarat crm4chemistry@gmail.com https://textilechemrose.blogspot .com/ THANK YOU