By Edgar B. Gutoff, Edward D. Cohen(auth.)
A sensible advisor for making sure a defect-free coating and drying process
For execs within the coating and drying undefined, the realm is a difficult position. New, technically complicated items similar to gas telephone membranes, skinny movie batteries, sunlight cells, and RFID chips require coatings of maximum precision. With the bar raised so excessive, knowing the way to troubleshoot and do away with defects on a coating line is an important ability for all body of workers.
Coating and Drying Defects, moment Edition presents production and qc group of workers, gear operators and supervisors, and plant engineers and scientists with the entire supplement of confirmed instruments and methods for detecting, defining, and getting rid of 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 procedures for coating and drying of constant movie on sheets or webs
- Covers applied sciences which have been lately constructed to avoid disorder formation and increase working techniques
- Provides a rational framework in which to evaluate and learn nearly any disorder that can come up
- Offers step by step instructions for accomplishing each part of the troubleshooting strategy, together with illness prevention
Going past easily describing a disparate set of troubleshooting recommendations, this distinctive consultant fingers readers with a scientific, nonmathematical technique encompassing the complete coating operation, turning into an critical source for production and quality-control body of workers in addition to plant engineers, polymer scientists, floor scientists, natural chemists, and coating scientists.Content:
Chapter 1 creation (pages 1–4):
Chapter 2 Troubleshooting or Problem?Solving approach (pages 5–27):
Chapter three Coater and illness Analytical instruments (pages 29–62):
Chapter four difficulties linked to Feed practise (pages 63–74):
Chapter five difficulties linked to Roll Coating and comparable methods (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 pressure 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 function of method help apparatus (pages 287–298):
Chapter thirteen Coating Defects Database (pages 299–314):
Chapter 14 illness Prevention (pages 315–329):
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Extra resources for Coating and Drying Defects: Troubleshooting Operating Problems, Second Edition
Include the names of all team members and participants so that they can be contacted to discuss results. 8. The report should be in digital format so that it can be stored in a computer database and easily retrieved. As an incentive, the team leader should not move onto a new assignment until the report is submitted. This will help guarantee completion. USE RESULTS TO PREVENT REOCCURRENCE The last step in the troubleshooting process is use the accumulated knowledge from previous troubleshooting incidents to prevent their reoccurrence.
If spot defects are present, the chemical analysis is needed to determine if there are any foreign materials present and what they are. These tests should include both defective and standard material. Often, the cause of a defect may be differences in the level of a normal component of the coating. If the product is exiting the coater wet, the coverage should be measured to ensure that it is within limits. In the next chapter we discuss the different analytical methods in more detail. Testing of the raw materials used for the coated product is a key step in preventing and troubleshooting defects.
The personnel involved have put in extra hours and effort in solving the problem and are expected to get back to their regular assignments or to solve the next problem. 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.