Automation in weaving

modern type automation

1. AS SALAMO ALAIKOM WELCOME TO THE PRESENTATION ON AUTOMATION IN WEAVING This Term paper Presentation Is Presented By:   Shamsuzzaman sheikh M.Sc 4 th batch Roll: 2015-2-2-002     Submitted To: Professor Masud Ahamed VC, Bangladesh University Of Textiles ( BUTex )

2. TERM PAPER OUTLINE 1.0 Introduction 2.0 Automation 3.0 Automation in Weaving process 4.0 Machine requirements in Weaving Automation 5.0 Demands on the automation 6.0 Benefits of automation process 7.0 Features of the automation solution:  7.1 Woven sample digitized artwork 7.2 Analyzing the fabric faults by X-Ray emitter  7.3 Controlling one or several looms/sizing machines 7.4 Sketch jacard design on image processor 7.5 Comparison between manual designing and computer designing 7.8 On-loom automation process  8.0 Process automation system 9.0 Important of Automation in the Weaving Sector 10.0 Conclusion References  

3. Introduction Weaving is best described by inter-lacing, typically at right angles, two sets of threads to shape cloth, a rug or else other types of woven textiles. Today of course this progression is for the most part automated in addition to mass produced, but the quality and the charm of handmade, hand woven rugs and clothing is immeasurable. Weaving is an important process in textile manufacturing, which manipulates threads into a plumb interlocking outline, which forms cloth.

4. Automation Automation  or  automatic control , is the use of various  control systems  for operating equipment such as machinery, processes in factories, boilers and heat treating ovens, switching in telephone networks, steering and stabilization of ships, aircraft and other applications with minimal or reduced human intervention. Some processes have been completely automated. The biggest benefit of automation is that it saves labor, however, it is also used to save energy and materials and to improve quality, accuracy and precision.

5. Automation in Weaving process

6. Automation in Weaving process The six production steps winding, warping, sizing, weaving inspection and packing include 16 points of automation. Of these, 12 deal with materials handling or transport. Only four applications deal with automating the machine operations themselves. This includes automated process control on the slasher and the weaving functions of Automatic Pick Repair Automated Warp breakage Locator Computerized Machine Control. Manual assistance is still required for beam replacement and repair of warp breaks. Implementation of electronic control such as computer control in automatic looms has simplified operations as only the conditions such as yarn type and weave, width need to be input in order for the optimum operations to be performed.

7. Machine requirements in Weaving Automation Weaving is the most widely used method of fabric production for the decoration, clothing and home furnishing textile sectors. However, technical textiles, including wire cloth, are also produced on modern weaving machines.  Irrespective of the weft insertion method used, very high cycle and acceleration rates are essential for weaving machines. Furthermore, weaving machines are characterized by a large number of nonlinear motion sequences and time-critical starting times. Mechatronic solutions devised from a combination of mechanical cams and servo drives for warp let-off and fabric take up are the modern state of the art. More recently, harness motion and weft insertion have also been implemented with individual electric drives in some instances.[3] 

8. Demands on the automation The demands on the automation are: Constant velocity relation between warp let-off and fabric take-up as a function of the main drive Constant thread tension during the process (uniform fabric quality) Weft insertion synchronized precisely with cycle times Fast position-oriented supply of weft threads corresponding to the color selection Increase in machine cycle times Different weft insertion processes using a projectile, air jet, or picker Short resetting times for lot changes Reproducibility of process data Pattern data management and preparation

9. Benefits of automation process To attain even faster resetting times, the mechanical cam can be replaced by a high resolution SIMOTION cam function for harness motions.  The technology functions integrated in SIMOTION, particularly the electronic cam, make it easy to implement the required motion control easily and safely for the process. Furthermore, where necessary, they allow motion profiles to be modified flexibly and with minimum effort.  Variable user interfaces enable process parameters to be quickly adapted to the execution system. These data can be reproduced at any time and assigned according to process technology. A lot change no longer requires you to make manual adjustments.  Tools for commissioning, configuration and diagnostics integrated in the uniform, scalable SCOUT engineering system reduce service and configuration times. Drive System : The integrated automation and drives structure is rounded off by the bus-coupled dynamic SINAMICS S120 drive system and SIMOTICS S‑1FT7/1FK7 motors. 

10. Features of the automation solution

11. Woven sample digitized artwork With the help of computer system, we can analyze the woven sample digitized artwork instead of real fabric. We can see image display on-screen than after making fabric. We can weave selection and sample matching on screen. 

12. Analyzing the fabric faults by X-Ray emitter When fabric passes through from fabric take-off to fabric beam, we can analyze the fabric faults by X-Ray emitter. We has not to see the fabric beam by naked eye ,we can find out faults by using automation process

13. Controlling one or several looms/sizing machines We can controle one or more looms/sizing machines by our PC.we can controle our system in our room instead of go to machines

14. Sketch jacquard design on image processor By automation process, we can analyses sketch design on computer screen as image processor

15. On-loom automation process Figure shows when loom is running, we can control our PC which things as below

16. Important of Automation in the Weaving Sector Global competition ensures that only the fittest survive. Today's weaver needs to ensure that he/she is able to manufacture and supply the finest quality of fabric, at the lowest cost, in the shortest possible time-frame. Automation is the only option which will allow the weaver to attain this objective. 

17. Conclusion Automation has resulted in control of machines electronically from user friendly interfaces, produce intricate jacquard fabrics at the speed of commodity fabrics, inspect fabrics on loom, use optical and laser detection of warp break, reduce downtime due to higher levels of automation and quick style and warp beam change. The machine speed upto 1000 rpm is possible, 5 to 10 times faster than 20 years ago

18. References The Automation of Weaving: an examination of the past and future of loom design by Wendy C. Beatty  Union College, 807 Union Street, Schenectady NY, https://eb.automation.siemens.com/mall/en/WW/Catalog/Products/10087619;sited on :08/01/2014 http://textilelearner.blogspot.com/2013/08/automation-in-weaving-process-why-is.html    Bennett, S. (1993).  A History of Control Engineering 1930-1955 . London: Peter Peregrinus Ltd. On behalf of the Institution of Electrical Engineers.  ISBN   0-86341-280-7 . The elevator example is commonly used in programming texts, such as  Unified modeling language http://www.exman.com/mshoass.ht.  A History of Control Engineering 1800-1930 . London: Peter Peregrinus Ltd. pp. 47, 266.  ISBN   0-86341-047-2 . Wiktionary on "[[ wikt:automation |]]"  Rifkin, Jeremy (1995).  The End of Work: The Decline of the Global Labor Force and the Dawn of the Post-Market Era . Putnam Publishing Group. pp. 66, 75.  ISBN   0-87477-779-8 .

19. Jazak allah and Thanks to All