By Edgar B. Gutoff, Edward D. Cohen(auth.)
A functional advisor for making sure a defect-free coating and drying process
For execs within the coating and drying undefined, the realm is a challenging position. New, technically complicated items comparable to gas mobilephone membranes, skinny movie batteries, sunlight cells, and RFID chips require coatings of utmost precision. With the bar raised so excessive, figuring out how one can troubleshoot and get rid of defects on a coating line is a vital ability for all team of workers.
Coating and Drying Defects, moment Edition presents production and quality controls body of workers, apparatus operators and supervisors, and plant engineers and scientists with the total supplement of confirmed instruments and methods for detecting, defining, and putting off coating defects and working difficulties, and for making sure that they don't recur.
Updating the precious contents of the 1st variation, this sensible moment variation:
- Describes all significant strategies for coating and drying of continuing movie on sheets or webs
- Covers applied sciences which have been lately built to avoid disorder formation and increase working tactics
- Provides a rational framework in which to evaluate and research nearly any illness which could come up
- Offers step by step instructions for undertaking each part of the troubleshooting procedure, together with illness prevention
Going past easily describing a disparate set of troubleshooting recommendations, this distinct advisor hands readers with a scientific, nonmathematical technique encompassing the total coating operation, turning into an essential source for production and quality-control team of workers in addition to plant engineers, polymer scientists, floor scientists, natural chemists, and coating scientists.Content:
Chapter 1 advent (pages 1–4):
Chapter 2 Troubleshooting or Problem?Solving method (pages 5–27):
Chapter three Coater and illness Analytical instruments (pages 29–62):
Chapter four difficulties linked to Feed instruction (pages 63–74):
Chapter five difficulties linked to Roll Coating and similar approaches (pages 75–95):
Chapter 6 difficulties in Slot, Extrusion, Slide, and Curtain Coating (pages 97–142):
Chapter 7 Coating difficulties linked to Coating Die layout (pages 143–156):
Chapter eight floor rigidity pushed Defects (pages 157–168):
Chapter nine difficulties linked to Static electrical energy (pages 169–183):
Chapter 10 difficulties linked to Drying (pages 185–215):
Chapter eleven difficulties linked to net dealing with (pages 217–285): Gerald I. Kheboian
Chapter 12 The position of procedure help gear (pages 287–298):
Chapter thirteen Coating Defects Database (pages 299–314):
Chapter 14 disorder Prevention (pages 315–329):
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Extra info for Coating and Drying Defects: Troubleshooting Operating Problems, Second Edition
1974), Karasek (1975), and Studt (1990). Time to acquire image. with specific features of the defect. Also, if there are contaminants or particles present, the SEM and EDX can be combined into one image. The images obtained from these techniques can be stored digitally and can be added into the defects catalog that is described in the Chapter 13. The SEM/EDX technique is powerful since it combines both the physical and chemical elemental analyses into one measurement. It is very useful for defects with discrete boundaries, such as spots, and defects that are suspected to be from foreign contaminants.
It may be necessary to go back to the preceding step and reanalyze the problem with the latest data. DOCUMENT THE RESULTS After the problem has been solved, it is important that a closing report to document the results be completed. Our experience in troubleshooting defects has shown that a significant percentage of defects will reoccur at some time in the future and their causes will be similar. In addition, we have observed that coaters and products on these coaters 26 TROUBLESHOOTING OR PROBLEM-SOLVING PROCEDURE tend to have certain patterns of characteristic defects.
Also, many scientists and operating personnel are not comfortable with report writing and do not believe that it is as valuable as running a coater or doing experiments. Reports are often viewed as a research-type function and do not have a role in manufacturing operations. The mechanics of report writing can be a chore and very time consuming, particularly if the report is handwritten and then has to be retyped for legibility. There may not be the personnel to do the retyping, duplication, and distributing of the report.