About this product

Product Identifiers

PublisherCRC Press LLC

ISBN-101587161524

ISBN-139781587161520

eBay Product ID (ePID)2320887

Product Key Features

Number of Pages192 Pages

LanguageEnglish

Publication NamePlastic Film and Foil Web Handling Guide

SubjectMaterials Science / General, Food Science, Industrial Design / Packaging, Technical & Manufacturing Industries & Trades

Publication Year2002

TypeTextbook

Subject AreaTechnology & Engineering

AuthorWilliam E. Hawkins

FormatHardcover

Dimensions

Item Height0.9 in

Item Weight15.2 Oz

Item Length9.2 in

Item Width7.4 in

Additional Product Features

Intended AudienceScholarly & Professional

LCCN2002-073575

TitleLeadingThe

IllustratedYes

Dewey Decimal664.09

Table Of ContentWEB STABILITY Imaginary Resistive Tension Member Concepts Alignment Requirements Structure & Stresses Affect Film Web Behavior Tension Limitations Tensions Limitations with Temperature TENSION ISOLATION NIP Roller Tension Isolators Three-Roller NIP Systems "S" Wrapped Driven Rollers Vacuum Rollers Vacuum Belts WEB TENSION MEASURING AND CONTROL DEVICES Web Tension Sensing Dancer-Roller Systems Load- Cell Rollers Mass-Free Dancer Sensing WEB SPREADING Increased Diameter under Web Edges Concave Rollers Bowed Spreader Rollers Air-Bearing Spreading Angled Opposed-Edge NIPS Flexible-Leaf Spreading Rollers WEB GUIDING/STEERING Lateral Shifting of the Unwind and Windup Stands Pivoting Steering/Guide Rollers STATIC MANAGEMENT Charge Buildup Theory Static Removal from Webs SLITTING TECHNOLOGY Razor Blade Slitting Overspeed Settings Other Slitting Techniques Trim Disposal Trim Chopping and Shredding Automatic Trim and Bleed Trim Thread Up Pneumatic Trim Disposal System WINDING TECHNOLOGY Affects of Gage/Caliper Variation Gage Band Randomization Cores and Mandrels Rigidity and Vibration Lay-On Roller Issues Lay-On Roll Parameters Winding Tension/Profiles by Products and Processes Clear Film Issues Winding with Edge Knurls Laminated Web Issues Web Spreading During Winding Issues with Coated Low Strength Films Web Strength Issues Speed Issues TROUBLESHOOTING WEB HANDLING PROBLEMS Wrinkle Problems Web Steering Problems Pucker Problems on Laminated Webs Scratch Problems Curl Problems Web Flatness Problems Tin Canning/MD Wrinkles An MD Wrinkle Theory TD Wrinkles Slip Pimples Snail Trails and Other Defects Static Management GLOSSARY OF TERMS APPENDIX

SynopsisWritten to assist anyone who works with webs, this is a handbook for diagnosing and correcting problems with web handling technology. Covering web handling fundamentals, process related technologies, and troubleshooting, it includes sufficient technical information to identify and correct defects in rolls of film or foil. Readers will appreciate this unbiased look at web handling that also serves as a counterpoint to information from equipment suppliers. Topics include web stability, tension isolation, web spreading, static generation, slitting technology, shear knife technology, trim disposal, wrinkle problems, boundary air entrapment problems, and winding and unwinding technology., Written to assist anyone who works with webs directly or indirectly, The Plastic Film and Foil Web Handling Guide is a handbook for diagnosing and correcting problems with web handling technology. Covering web handling fundamentals, process-related technologies, troubleshooting, and solutions, it includes sufficient technical information to identify and correct defects in rolls (of film or foil). Readers will appreciate this unbiased look at web handling that also serves as a counterpoint to information from equipment suppliers. The text presents guidelines on: Roller alignment in machines Tensioning of webs Use of web spreading and guiding devices Use of razor slitters Shear knife slitters Edge trim removal Trim disposal Management of electrostatic charges on webs Waste storage equipment Winding technology is presented that addresses gage variation issues, cores and mandrels, vibration, speed issues, web thickness issues, web strength issues, coated web issues, laminated web issues, clear film issues, winding tension profile issues, and lay-on roller issues. A guide for troubleshooting web-handling problems and a glossary of terms for quick reference is also provided.

LC Classification NumberTS1117.H39 2002