Slitting Theory and Practical Application

1.0 BASIC SHEAR SLITTING GEOMETRIES

• Tangential and Wrap Web Paths
• Shear Angle Function
• Axial and Radial Run-Out
• Top and Bottom Knife Overlap

2.0 SHEAR KNIFE BLADES

• Function
• Bevels
  • Single, Double, Double hollow
  • Metallurgy
  • Alloys; Cost and Knife Life
    • 52100
    • D2
    • Tool Steels
    • Carbide
    • CPM
  • Regrind Affects

3.0 SHEAR KNIFE HOLDERS

• Vertical Stroke
• Horizontal Side Load Force
• Shear Cut point
• Over Speed
• Mounting Methods
• Vibration Affects
• Perf Blades
• Oil Lube
• Safety

4.0 SCORE and CRUSH CUT SLITTING

• Definitions and Function
• Crush Cut Force Affects
• Knife Blade Angles and Radii
• Specialty Knife Blades
• Anvil Rolls

5.0 SCORE and CRUSH CUT HOLDERS

• Narrow Width Slitting
• Depth Control
• Knife Lubrication
• Quik-Clamp™
• Score Paks
• High Speed

6.0 RAZOR HOLDERS

• Pivoting Arm
• Grooved Roller
• Pneumatic
• Reciprocating
• Oscillating
• Guarding

7.0 ADHESIVE SLITTING

• Four Approaches
  • Knife Blade Bevel
  • Lubricating
  • Heated Rotary Blade
  • Blade Coatings

8.0 POSITIONING SYSTEMS; MANUAL TO AUTOMATIC

• Procedures
• Accuracy
• Consistency
• Effects on Knife Life
• Safety
• Cost

9.0 DUST

• The Reality of
• Control
• Removal Techniques