2015 TAPPI Corrugated Box and Linerboard Medium Manufacturing Course

Course Schedule

Tentative. Subject to Change.

*Monday, May 18, 2015*
8:00 am	Opening Introductions and Comments
8:30 am	Introduction to Corrugated What is corrugated Flute types Web types Basis Weight
9:30 am	Corrugated Sequence Single-Face Double-Face
10:30 am	Break
10:45 am	What is a Corru”GATOR” Corrugator Series of machines designed for continuous running Corrugated types Divided into two main groups Broken into zones
12:00 pm	Lunch
1:00 pm	Introduction to the mechanics of the bond Heating paper Moisture content Paper & combined board Bonding terms 5 steps to a mechanical bond Bond Window and variables
3:00 pm	Break
3:15 pm	Moisture control Heat transfer tension and time 4 key variables for proper heat transfer Alignment
4:00 pm	Board quality inspections (Operator) and trouble-shooting
5:00 pm	Adjournment
*Tuesday, May 19, 2015: Linerboard & Medium Performance Properties & Tests*
8:00 am	What happens to the linerboard & medium in the corrugating process Sheet structure & why it's important Basis weight, MD/CD fiber orientation, formation, Bonding, two sidedness Properties and tests, what they are telling us and what contributes to their values: Runnability on the corrugator Stiffness, ring crush, mullen, Concora Edgewise compression test, STFI Tensile, Modulus, Stretch Liquid absorption, porosity, adhesion Sizing test, Cobb, water drop, etc. Moisture and humidity effects on performance properties Causes of curl, warp, & wash boarding Viscoelastic creep, failure of boxes Printing properties, smoothness Friction Others, per survey of participants
12:00 pm	Lunch
1:00 pm	Effects of Pulp and Paper Manufacturing Processes on Corrugator Runnability and Box Practices Raw Materials Pulping process, recycled pulps Stock prep refining Chemical additives Paper machine operations Sheet forming Pressing Drying Calendering Size press Winding
5:00 pm	Wrap up & adjournment