Podcasts by Coating Tech Slot Dies
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Tensioned Web Over Slot Die (TWOSD) Coating – Technical Paper from 2020-01-17T22:38:33
DOWNLOAD AUDIO FILE In standard proximity coating with slot die equipment requires that a gap is maintained between the slot die lip face and the substrate. In proximity coating, the substrate i...
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Tensioned Web Over Slot Die (TWOSD) Coating–Technical Paper from 2020-01-17T21:38:33
DOWNLOAD AUDIO FILE In standard proximity coating with slot die equipment requires that a gap is maintained between the slot die lip face and the substrate. In proximity coating, the substrate i...
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Lane Coating with Slot Die Equipment from 2019-07-09T18:01
DOWNLOAD AUDIO FILE Whether coating batteries or adhesive tapes, there are reasons why coating full width is not always optimal. When an operation lends itself to coating wet and dry lanes down ...
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The Importance of the Positioner in Slot Die Coating from 2019-05-31T21:11:47
DOWNLOAD AUDIO FILE INTRODUCTION The slot die coating positioner. That’s not even a real word! If you type in the word positioner, the word processing program complains that you didn’t spell po...
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Curtain Coating Technology from 2018-10-29T15:00:45
DOWNLOAD AUDIO FILE INTRODUCTION Economies of scale occur when a coated product is manufactured wide, fast and in one pass. Substrates can be manufactured wide and multilayer coating can provided...
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Rigid Panel Coating with Slot Die Equipment from 2018-07-03T15:51:06
Download Audio File INTRODUCTION Panel coating is a unique application of fluid coating technology that provides capability and functionality to a discrete substrate. But what is important to und...
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Advances in Slot Die Coating Technology for Hot Melt Adhesives from 2018-04-25T16:11:55
Download Audio File INTRODUCTION When it comes to fluid coating onto substrates, the equipment required falls into three areas- Extrusion coating Hot melt coating Liquid coating What makes these ...
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ROI of Fluid Coating Technology from 2017-11-10T17:28:44
Download Audio File When companies are going through the process of justifying a capital expenditure, people need to understand the full cost of ownership (COO). This is fundamentally a return o...
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Balancing Slot Die Design from 2017-07-18T16:50:12
Download Audio File Wouldn't life be great if complex things could be reduced to simple functions? In the world of coating, if you look deep enough, you can find some of these useful nuggets. In ...
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Dispersions in Liquid Coating from 2017-06-19T16:57:31
Download Audio File Liquids can be described as mayonnaise or beer. The Newtonian fluids are beer - they are self-leveling and if you turn a glass of beer upside down, the beer spills out. The no...
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The Critical Variable–Slot Die Lip Gap from 2017-05-16T16:58:02
Download Audio File It's important to pay attention to critical variables in coating. When it comes to slot die setup and operation, the variables can be separated into linear variables and cubic...
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Smart Glass Coating Technology from 2016-12-14T19:11:20
Download Audio File All modern products and equipment are getting smarter. There are internal computers tracking automotive mechanics as we drive, there are feedback loops in what we search onl...
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Computational Methods Beyond Fluid Flow Analysis from 2016-11-17T19:23:30
Download Audio File Finite Element Analysis is commonly utilized in understanding, designing and manufacturing pre-metered coating equipment. But the use of FEA is not limited to understanding fl...
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Discrete Coating Techniques and Equipment from 2016-11-07T19:26:11
Download Audio File In the world of coating technology, most of the time and energy is spent on coating a moving web to create roll stock of fluid-coated and cured materials. Spending time on thi...
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Pre-Metered Fluid Flow Analysis with Computational Methods from 2016-10-25T18:28:30
Download Audio File As the world of liquid coating has advanced, so has the design and manufacturing of the equipment. In the world of pre-metered coating, slot die technology has progressed rapi...
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Vacuum Systems from 2016-09-20T18:34:14
Download Audio File When coating fluids thinner and thinner, you eventually run into some issues with equipment capability. The coating head can't get much closer to the backing roll without inte...
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Surfactants from 2016-07-21T18:37:47
Download Audio File In the world of liquid coating, the ability of the liquid to adhere to the substrate is not ideal. The liquid does not want to flow correctly, beading up or generally not beha...
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Making the Most of your Pilot Line Coating Experience from 2016-05-09T18:38:20
Download Audio File Pilot coating lines are available in a number of locations where coated product manufacturers can run experimental trials for new products, new components, and new processes t...
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Clean Coating and Fluid Preparation from 2016-02-01T19:48:10
Download Audio File There are a number of industries where clean coating is required - medical, pharmaceutical, optical, printed electronics and energy storage devices to name a few. There are a ...
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Coating Considerations for Good Manufacturing Practice from 2016-01-18T19:50:37
Download Audio File So what makes medical and pharmaceutical products so special? GMP. GMP stands for Good Manufacturing Practice and is the FDA's approach to insuring that converted products tha...
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Optical Films Require Multiple Layers from 2015-10-01T18:55:16
Download Audio File When coating optical films, should the fluid layers be coated and dried or built up via deposition? Optical films cover a wide variety of coated applications in the world toda...
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Foil Substrates from 2015-09-22T18:55:55
Download Audio File To start with, the foils are processed prior to the coating procedure and are typically sprayed with oil. This oil needs to be removed or considered before applying the coatin...
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Energy Storage Devices from 2015-08-11T18:58:11
Download Audio File From lithium-ion batteries to capacitors to solar panels, one common feature is they are all produced through a coating method. Energy storage devices describe a wide variety ...
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The Effects of Surface Treatment at the Interface from 2015-07-20T18:58:38
Download Audio File There are a variety of methods for encouraging fluids to stick to substrates in coating applications- corona, plasma or flame treating the substrate; adding a primer prior to ...
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Film Split Defects from 2015-06-28T19:00
Download Audio File When there are two rolling surfaces moving in the same direction, the fluid needs to decide which surface to follow. But how is this decision made? Film split instabilities ar...
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Looking Behind the Curtain of Coating from 2015-05-30T19:07:17
Download Audio File Economies of scale occur when a coated product is manufactured wide, fast and in one pass. Substrates can be manufactured wide and multilayer coating can provided added functi...
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The Effects of Viscoelastic Behavior from 2015-05-26T19:08:59
Download Audio File When coating a fluid, consideration of the rubbery behavior needs to be considered with the shear rate versus viscosity data. Coating rubber bands is not easy. So when you loo...
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Giving Adhesive Coating its Due Respect from 2015-05-03T19:12:09
Download Audio File Adhesives are a coating in the converting world that do not get a lot of respect. However, when you look at the market of adhesive coating, the technology requirements and pro...
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Pressure-Sensitive Adhesive Coating from 2015-04-27T19:13:17
Download Audio File When looking for process, product, and profit improvements for your PSA tapes and labels, consider going back to the drawing board. Pressure-sensitive adhesive (PSA) coating i...
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Construction Materials for Coating Equipment from 2015-03-19T19:15:33
Download Audio File Coating equipment can be exposed to a variety of conditions-acidic fluids, corrosive chemicals, and abrasive slurries to name a few. So how do you identify the right material s...
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Conflicting Flow in Coating from 2015-03-16T19:20:06
Download Audio File Coating with a self-metered system is a study of flow dynamics where we are fighting viscous forces. Depending on where the math is being applied, one force rises over another...
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Membrane Process Technologies from 2015-03-11T19:21:33
Download Audio File Here are a few theories to guide your decision making for achieving the thin coatings needed for filtration. Like with everything else in the coating world, membranes perform b...
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Porous Substrates from 2015-02-26T20:22:44
Download Audio File Nonwovens, fabrics, papers and membranes provide unique substrates for fluid coating applications. Depending on the final product needs, the fluid may need to be placed on top...
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Coating&Casting Technology for Water Filtration from 2015-02-10T20:23:44
Download Audio File The fundamentals of air entrainment, entrapment, and rheology are critical to product success. Water filtration is ubiquitous in our world. Water supplies need technological s...
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Coating, Casting, and Curtains from 2015-01-30T20:26:57
Download Audio File When a slot die is coating a fluid, does it care which way it is pointed? No, it does not. So why are different terms utilized when the same piece of equipment is pointing up ...
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Multi-Layer Coating II from 2014-12-12T20:29:14
Download Audio File If you are currently coating more than one layer of coating onto a substrate, you maywant to consider the option of multi-layer coating. To provide more than one fluid at a ti...
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Pump Technology from 2014-11-19T20:32:53
Download Audio File Fluid coating is dependent on 5 main factors to have the precision required for today's coated products: the coating head, the positioning system for the coating head, the sub...
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Stepwise Process Fluid Coating from 2014-11-18T20:37:02
Download Audio File After a fluid is deposited onto a substrate anything can happen. While the fluid is balancing on the substrate and traveling to the curing section of the process, what will th...
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Patch Coating for Precision Fluid Placement Part 2 from 2014-10-21T19:39:45
Download Audio File In Part 2 of this two-part series on intermittent or patch coating, fluid control and physical movement were investigated. EXPERIMENTAL Water-based anode and NMP-based cathode...
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Optimization of fluid Coating from 2014-10-17T19:44:32
Download Audio File Developing a product in the fluid coating industries requires determination of raw materials to provide for the differentiated features of the product, but equally important i...
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Patch Coating for Precision Fluid Placement Part 1 from 2014-09-23T19:51:15
Download Audio File ABSTRACT The world has gone patch coating crazy! Batteries, pharmaceuticals, even adhesives. The interest in reducing waste and providing functional coating that can be used r...
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Fighting Viscous Forces to Improve Fluid Coating Success from 2014-09-18T19:55:52
Download Audio File When it comes to slot die fluid coating, the mathematical equations that dictate flow are fundamental, but the details are complicated. The goal with understanding the math sh...
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Particles in Fluid Coating from 2014-08-12T19:58:07
Download Audio File With the modern coating era upon us, the need to coat functional materials has grown exponentially. Whether you are looking to coat flexible electronics, solar panels, optical...
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Slot Die Coating Technology from 2014-07-17T19:59:22
Download Audio File Slot die coating technology is a function of the coating process, auxiliary system and fundamental technique. The decision to utilize a coating technology needs to be analyzed...
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Everything you Wanted to Know About Coating but Were Afraid to Ask from 2014-06-18T20:01:06
Download Audio File Fluid coating is a world of science and art. Some things we know well, and some things have yet to be proven, and many things have yet to be investigated. So where do we start...
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Interfacial Dynamics from 2014-06-17T20:02:55
Download Audio File When describing fluid flow onto substrates to people not living in the world of converting operations is like trying to explain rocket science to a pig. Very few people ever wo...
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Stop Defects Before They Start from 2014-05-27T20:04:09
Download Audio File One of the best ways to not have defects in fluid coating isn't a trick with a pump or a tip with a coating head. Reducing defects works best by practicing preventative medici...
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Streak Formation from 2014-05-14T20:05:57
Download Audio File Streak defects are one of the most common coating defects in roll-to-roll coating. They are also very elusive! How streaks are formed and progress is a combination of the deve...
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Agglomerates from 2014-04-24T20:07:42
Download Audio File Agglomeration is a dispersion issue that can cause headaches for coating operators. Fundamentally, an agglomerate is a collection of particles that stick together and create a ...
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Designing Equipment for Fluid Flow from 2014-04-23T20:09:08
Download Audio File In premetered coating, a slot die is the control valve that turns fluid flow through a pipe into a precise, flat, and even coating on a continuous substrate. How does a chunk ...
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Defects in Coating from 2014-03-25T20:12:40
Download Audio File Fluid coating is only as good as the quality team says it is. Once the fluid hits the substrate many things can happen - the substrate can wrinkle, air can be trapped, and cur...
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Under Pressure: The Damage Stress Can Do in Fluid Coating from 2014-03-25T20:10:43
Download Audio File Stress is bad. Really bad! And I'm not talking about in your personal life. I'm talking about stress-induced defects in fluid coating. Where does stress come from? What can it...
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Top Five Things to Remember in Fluid Coating from 2014-02-18T21:15:44
Download Audio File 1. Evolution: Liquid coating has come a long way from painting by hand to coating with rolls to pre-metering fluid. The future of fluid coating is housed in the pre-metered en...
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I’m Done Coating…Now What? from 2014-02-18T21:14:10
Download Audio File I am not a curing expert. Now that we have that out of the way, I would like to discuss why curing is important. Just like coating technology and web handling, if you don't ha...
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Slot Dies Dos and Don’ts from 2014-01-31T21:18:12
Download Audio File We have seen it numerous times-equipment is mishandled and damaged unnecessarily. While these nicks and dings can add up to expensive maintenance costs, they are avoidable. So...
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The Three Stages of Product Development from 2014-01-08T21:20:16
Download Audio File Process development is taking a product concept through three stages of development: lab scale pilot scale production scale In the world of fluid coating, the question is not ...
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Intermittent Coating from 2013-12-17T21:21:53
Download Audio File The world has gone patch coating crazy! Batteries, pharmaceuticals, even adhesives. The interest in reducing waste and providing functional coating that can be used right off ...
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Dispersions Revisited from 2013-12-15T21:23:54
Download Audio File To understand the forces involved in developing a stable coating on a substrate, key features of the coating need to be viewed from the internal perspective of the fluid. With...
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Hot Melt Coating Technology Part 2 from 2013-11-13T21:28:46
Download Audio File In the second of this two-part series on hot melt coating, Mark Miller says the newest technology is not always the best, but the best techniques applied to good technology pr...
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How to Start-up a Coating Business from 2013-11-13T21:25:21
Download Audio File The coating and converting industry may not be as sexy as the dot-com world of Silicon Valley, but the fundamentals of getting a business off the ground are still the same. Yo...
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Visualization for Improved Coating Performance from 2013-10-18T20:30:15
Download Audio File On many coating projects that I have been involved in, the coating defect that the team was trying to eliminate was apparent on the web, but where the defect originated was no...
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Hot Melt Coating Technology Part 1 from 2013-10-16T20:32:09
Download Audio File As coating corporations work toward increasing margins, getting more out of the capital at the site, improving turns in inventory, and reducing environmental impact, they are ...
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Multilayer Coating from 2013-09-24T20:33:46
Download Audio File What do you do when you want to have more than one functional layer on a given substrate? Oh yeah, and you want to lay each layer down at the same time… Welcome to simultaneou...
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The Wizard Behind the Curtain from 2013-09-16T20:35
Download Audio File Do you sometimes feel like you are free falling through the coating world? A free fall can be a good thing if you are not spinning out of control, but the distance is just rig...
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Rheology, Math and Coating Equipment Design from 2013-08-31T20:37:22
Download Audio File Rheology again? The science of rheology is critical in so much that goes into fluid coating that we could spend a lifetime discussing the details regarding a particular flow r...
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Slot Die Design Considerations from 2013-07-02T20:43:21
Download Audio File It's always good to have a perspective from all areas of a business. In the world of manufacturing, an engineer learns a lot by getting out on the shop floor and turning some ...
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What Does a Slot Die Cost? from 2013-06-05T20:44:48
Download Audio File With every call a technical consultant receives regarding a technical inquiry, comes another call asking what the price of equipment is. Whether it is a slot die, backing roll...
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Fluid Flow Phenomena from 2013-05-15T20:46:45
Download Audio File When a fluid hits a substrate, pushing through the barrier of air, the fluid tends to flow predictably. This phenomenon is a function of the interfacial tensions between a flu...
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The Future of Fluid Coating Technology from 2013-05-01T20:48:13
Download Audio File What does the future hold? If we could gaze into the crystal ball of fluid coating and know what the expectations for liquid coating onto substrates was going to be in years t...
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The Fundamentals of Coating from 2013-04-18T20:49:33
Download Audio File Let's go back…way back…back to the basis of what fluid coating is and why the converting industry cares about the process of placing a fluid onto a substrate for products arou...
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Bringing Theory into Focus from 2013-04-06T20:54:32
Download Audio File Coating specialists love to throw around big ideas and even bigger words (rheology, viscosity, surface tension, etc.). But what is important? What can you use daily as an appli...
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Mixing Fundamentals from 2013-02-26T21:56:40
Download Audio File When you look at the process of fluid coating onto substrates, there are many ancillary pieces of equipment that affect the final coating quality of the product, be it an adhe...
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Theory Versus Reality from 2013-02-22T21:58:32
Download Audio File How well can a computer program, mathematical equation, or experience predict fluid coating performance is a question I am asked on a regular basis. As with any good question,...
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It’s a Turbulent World from 2013-01-11T21:59:59
Download Audio File In many recent discussions in the converting industry, I have found myself trying to explain fluid coating technology to people who are familiar with extrusion technology. The...
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The Role of Energy in Coating from 2013-01-10T22:01:33
Download Audio File When coating a fluid onto a substrate, many factors come into play - chemistry of the fluid, surface tension of the substrate, curing conditions, slitting requirements, tensio...
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Understanding Rheology from 2012-10-02T21:03:57
Download Audio File The best starting point for polymer understanding is rheology, or the flow of the polymer in fluid form. What is rheology? ρηεολογψ-It's all Greek to me! Yes it is. But it doe...
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The Scientific Approach to Coating from 2012-06-13T21:04:43
Download Audio File Within all coating matters, scientific application of process and material understanding is critical to success. The amount of care applied to understanding each step in the f...
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Plumbing Basics in Coating Technology from 2012-05-01T21:05:54
Download Audio File I had a great physics professor in college. When I was considering what area of engineering to go into, he explained the world of technology in a simplified model-everything d...
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Battery Coating Technology from 2012-03-26T21:07:41
Download Audio File With the advent of car battery technology moving into the mainstream for consumer vehicles, the need for advanced battery technology has skyrocketed. As with any consumer-base...
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Suspensions, Dispersions, and Emulsions from 2012-02-22T22:09:55
Download Audio File What variables need to be considered when coating a fluid that isn't simple? When coating a simple fluid, slot die coating operators have enough to worry about if the fluid is...
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How to Choose a Coating Site from 2012-01-30T22:11:38
Download Audio File What came first, the chicken or the egg? When determining how to initiate a new product in the marketplace, most converting companies face a similar paradox. Do you build a co...
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Down-Web Uniformity from 2012-01-10T22:13:36
Download Audio File Sometimes there is a complex, multivariable solution to a coating defect and sometimes…well, let me get the issue in front of you first, then we'll discover the solution. When ...
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How to Select a Coating Method from 2011-12-15T22:15:47
Download Audio File Why would you coat with a roller instead of a knife; a rod instead of a slot die? There are many methods for fluid coating and just as many techniques for utilizing the equipm...
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How to Avoid Bubble Defects from 2011-10-11T21:16:49
Download Audio File One of the most common issues in coating is bubbles. Not solids. Not liquids. Bubbles. Where do bubbles come from, and how can we avoid the defects they create? Well, first of...
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What the Coating Bead Can Tell You from 2011-08-22T21:25:41
Download Audio File When a fluid is being coated out of a slot die, it can be positioned in a variety of ways. This ability to position the coating head is an inherent capability of the slot die b...
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Surface Energy Matchmaking from 2011-08-01T21:27:36
Download Audio File Typically, when you coat a fluid onto a substrate, the fluid flows to the limits of the coating head and provides a solid layer of fluid over the substrate. Sometimes, however...
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Slot Die Coating Fundamentals from 2011-07-01T21:30:17
Download Audio File Recently, a lot has been asked of coating technology. Products in the printed electronic fields, such as solar panels and battery technology, have pushed the limits of traditi...
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Coating, Not Printing from 2011-06-01T21:32:13
Download Audio File Whether you work in the battery industry, the packaging industry, or the publishing industry, you have come across these two words: coating and printing. For as different as t...
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Open Up the Coating Process Window from 2011-05-01T21:34:40
Download Audio File If you have worked around a coating process facility, you have undoubtedly heard someone refer to the coating process window. This statistical assessment of the capabilities o...
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4 Steps To Resolving Coating Defects from 2011-03-01T22:38:23
Download Audio File Every coating process engineer and equipment operator wants to know where to start when a coating problem surfaces with their product. So let's start with the surface of the p...
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Technical Report: A Rheology Lesson from 2011-02-01T22:45:48
Download Audio File Whether you are dealing with a fluid coating or a plastic product, you need to understand rheology. Rheology of the polymer in question affects not only the final product but ...
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Don’t Blame Chatter on Coating Head from 2011-02-01T22:41:29
Download Audio File Let's talk chatter. Not just because it's cold outside, but because it is a common defect in the coating industry. What is chatter? For those who have not dealt with this issu...
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Defects|Finding the Cause from 2011-01-01T22:47:15
Download Audio File In the world of coating equipment, the coating station is considered the heart of the beast. For better or worse, when the fluid comes in contact with the substrate, the coati...
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Process Troubleshooting from 2010-11-01T21:48:51
Download Audio File Six Sigma is a quality control system utilized for everything from discrete parts to organizational efficiency. The question is: How do you best utilize Six Sigma to reduce we...
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