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CMM International 2003 Conference. This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference. Using Laser Engraving in Tissue Embossing. This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference.
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CMM International 2003 Conference This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference Using Laser Engravingin Tissue Embossing This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference Presented by Carl Ingalls, Embossing Technologies Ed Giesler, Giesler Enterprises Inc. 1 Ingalls & Giesler
Napkins Always embossed Paper towels Usually embossed Bath tissue Often embossed Facial tissue Rarely embossed CMM International 2003 Conference Tissue Products With Embossing This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference 2 Ingalls & Giesler
Paper path Rolled product CMM International 2003 Conference Rotary Embossing Process Schematic This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference Engraved roll Rubber covered roll 3 Ingalls & Giesler
CMM International 2003 Conference Tissue Embossing Applicationsfor Laser Engraved Rolls – Today This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference • Evaluating new embossing patterns. • Making steel rolls from laser engraved rolls. • Short production runs. • Long-term use in production. Very Special Cases. • Evaluating new embossing patterns. • Making steel rolls from laser engraved rolls. • Short production runs. • Long-term use in production. Very Special Cases. • This slide created by Carl Ingalls and Ed Giesler, Sr. for CMM International 2003. 4 Ingalls & Giesler
Advantages Disadvantages • Less expensive, on a per engraving basis. • Less expensive, on a per engraving basis. • Shorter life, requiring more frequent re-engraving. • Shorter life, requiring more frequent re-engraving. • Faster delivery time. • Faster delivery time. • This slide created by Carl Ingalls and Ed Giesler, Sr. for CMM International 2003. • Easily damaged – during shipping, handling, and in use. • Easily damaged – during shipping, handling, and in use. • Higher accuracy in positioning the pattern elements on the surface of the roller. • Higher accuracy in positioning the pattern elements on the surface of the roller. • Less accurate control of depth, sidewall shape, and curvatures (“radiusing”). • Less accurate control of depth, sidewall shape, and curvatures (“radiusing”). continued to next slide … CMM International 2003 Conference Advantages and Disadvantages of Laser Engraving – Compared to Conventional Steel This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference continued to next slide … 5 Ingalls & Giesler
Advantages Disadvantages • Complete digital control of the image, computer to computer, even when engraving large rolls. • Complete digital control of the image, computer to computer, even when engraving large rolls. • The technology for copying the contour of an existing surface into a computer is not as accurate. • The technology for copying the contour of an existing surface into a computer is not as accurate. • The ability to use more complex patterns. • The ability to use more complex patterns. • Poorer quality surface finish. • Poorer quality surface finish. • This slide created by Carl Ingalls and Ed Giesler, Sr. for CMM International 2003. CMM International 2003 Conference Advantages and Disadvantages, continued This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference 6 Ingalls & Giesler
CMM International 2003 Conference This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference Start with a smooth steel roll. Put the roll into the laser machine and start it turning. C R E A T E D B Y C A R L I N G A L L S A N D E D G I E S L E R F O R C M M I N T E R N A T I O N A L 2 0 0 3 The Laser Engraving Process Today Cover the roll with a laser-engravable material. Cure the coating, and grind smooth. Energize the beam !! Engraving is done. Clean the roll, box it, and ship it. Program the laser with the pattern to be engraved. 7 Ingalls & Giesler
metallic mask 2D “Square” profile 2-Level Vertical walls C R E A T E D B Y C A R L I N G A L L S A N D E D G I E S L E R F O R C M M I N T E R N A T I O N A L 2 0 0 3 2D Enhanced “Mesa” profile 2-Level Sloped walls C R E A T E D B Y C A R L I N G A L L S A N D E D G I E S L E R F O R C M M I N T E R N A T I O N A L 2 0 0 3 3D Any profile Multi-Level Complex contours C R E A T E D B Y C A R L I N G A L L S A N D E D G I E S L E R F O R C M M I N T E R N A T I O N A L 2 0 0 3 CMM International 2003 Conference This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference Laser Engraving Technologies: Etch Profiles 8 Ingalls & Giesler
A single boss A Single Boss Created by Carl Ingalls and Ed Giesler for CMM International 2003 CMM International 2003 Conference This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference sidewall angle shoulder radius More About Profile Geometry sidewall engraved depth fillet radius An engraved embossing roll C R E A T E D B Y C A R L I N G A L L S A N D E D G I E S L E R F O R C M M I N T E R N A T I O N A L 2 0 0 3 9 Ingalls & Giesler
CMM International 2003 Conference This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference Nesting band The Problem of “Nesting” in a Roll of Product Anti-Nesting band C R E A T E D B Y C A R L I N G A L L S A N D E D G I E S L E R F O R C M M I N T E R N A T I O N A L 2 0 0 3 10 Ingalls & Giesler
aligned aligned slanted CMM International 2003 Conference This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference The Problem of “Ridging” in a Roll of Product Machine Direction (MD) Extreme MD alignment Slightly slanted from MD 11 Ingalls & Giesler
CMM International 2003 Conference Embossing with Laser Engraved Cylinders This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference • R&D Embossing • good for short runs • laser engraved removable sleeves • Production Embossing • practical in only very special situations • useful life anywhere between a few hours and several months • R&D Embossing • good for short runs • laser engraved removable sleeves • Production Embossing • practical in only very special situations • useful life anywhere between a few hours and several months 12 Ingalls & Giesler
3. Spray the roll with acid. continued to next slide … CMM International 2003 Conference This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference 1. Start with a smooth steel roll. Cover with acid resistant coating. C R E A T E D B Y C A R L I N G A L L S A N D E D G I E S L E R F O R C M M I N T E R N A T I O N A L 2 0 0 3 Using a Laser with Acid to Engrave Steel 2. Put the coated roll into a laser. Burn a pattern thru the coating. The acid etches the unprotected areas of steel. 13 Ingalls & Giesler
acid etch metal 3002 lanoitanretnI MMC rof relseiG dE dna sllagnI lraC yb detaerC CMM International 2003 Conference This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference 4. Continue with the same roll … … repeat until desired depth is reached. C R E A T E D B Y C A R L I N G A L L S A N D E D G I E S L E R F O R C M M I N T E R N A T I O N A L 2 0 0 3 Using a Laser with Acid to Engrave Steel (cont.) add more protective coating laser engrave coating 14 Ingalls & Giesler
Pattern put into the coating, either by mechanical pressure or by laser etch. Created by Carl Ingalls and Ed Giesler, Sr. for CMM International 2003 Coating CMM International 2003 Conference This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference Acid will etch in all directions at once, and can cause undercutting if not controlled by repeated application of the protective coating. Why We Cannot Acid Etch in One Step Steel base 15 Ingalls & Giesler
copy Begin with … copy copy Master Roll (optional) … that has the pattern already engraved into it. copy Final Production Roll CMM International 2003 Conference This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference Copying & Multiplying a Pattern:From Tooling Through Production Roll Intermediate Tooling Original Tooling This slide created by Carl Ingalls and Ed Giesler, Sr. for CMM International 2003 16 Ingalls & Giesler
CMM International 2003 Conference This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference The upper roll is a tool, which may be conventional or laser engraved. Stepping a Tool Across a Rollto Multiply the Pattern The lower roll must be steel for the acid etch process to work. 17 Ingalls & Giesler
CMM International 2003 Conference This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference Bring the rolls together, so that wax is squeezed out at the contact points. Start with a roll that is already engraved with the pattern … Making a Pattern Transfer (Copy)From One Roll to Another Start the rolls turning together, to transfer the pattern to the wax. … and a blank roll that is to be engraved. Bring in an acid bath Cover the blank roll with an acid-resistant wax coating. … to etch away the unprotected steel. 18 Ingalls & Giesler
CMM International 2003 Conference What’s In It For The Laser Engravers This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference • Acquire customer contacts. • Understand embossing applications. • Learn required laser size and capability. • Learn what other changes are needed. • Understand how to prioritize all the above. • Acquire customer contacts. • Understand embossing applications. • Learn required laser size and capability. • Learn what other changes are needed. • Understand how to prioritize all the above. 19 Ingalls & Giesler
CMM International 2003 Conference Challenges for Laser Engravers This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference • MATERIALS Find or develop a wear resistant covering that is comparable to chrome plated steel • 3D Method to do sophisticated contour engraving • QUALITY Improve surface finish • ACCURACY Improve dimensional tolerances - (M/S) • MATERIALS Find or develop a wear resistant covering that is comparable to chrome plated steel • 3D Method to do sophisticated contour engraving • QUALITY Improve surface finish • ACCURACY Improve dimensional tolerances - (M/S) 20 Ingalls & Giesler
CMM International 2003 Conference Reactions from Conventional Engravers This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference • PAST Experimental use only (trial rolls). Everyone was Happy • PRESENT Making Tooling & Master Rolls, plus trial rolls. Making only a few production rolls. Still mostly OK • FUTURE Anything could happen … Proactive and/or Concerned • PAST Experimental use only (trial rolls). Everyone was Happy • PRESENT Making Tooling & Master Rolls, plus trial rolls. Making only a few production rolls. Still mostly OK • FUTURE Anything could happen … Proactive and/or Concerned 21 Ingalls & Giesler
CMM International 2003 Conference Conclusion This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference • Laser engraved rolls are here now. • The future depends upon continued developments: • Composition of the surface to be engraved. • Capabilities of the laser engraving machines. • Laser engraving process technology. • Using laser engraved rolls to make steel embossing rolls. • Learning how to reduce the wear on laser engraved embossing rolls. • Laser engraved rolls are here now. • The future depends upon continued developments: • Composition of the surface to be engraved. • Capabilities of the laser engraving machines. • Laser engraving process technology. • Using laser engraved rolls to make steel embossing rolls. • Learning how to reduce the wear on laser engraved embossing rolls. 22 Ingalls & Giesler
CMM International 2003 Conference This slide presentation was created by Carl Ingalls and Ed Giesler for CMM International 2003 Conference Thank You for Your Participation !! We welcome your questions at any time At the CMM Conference By phone By email Carl Ingalls Ed Giesler 610-627-9030 920-434-1715 Ingalls@EmbossingTechnologies.com Gsler@aol.com www.EmbossingTechnologies.com 23 Ingalls & Giesler