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5A – Force Control Nip Variations
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5 – Nip Variations
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5A – Force Control Nip Variations
Solutions
Force Control Nip Variations
5A Case 1: Roller & Tension Forces
5A Case 2: Pressurized Cylinder Effective Force
5A Case 3: Nip Pressure Variations from Footprint Geometry
5A Case 4: Wedging
Gap Control Nip Variations
5B Case 1: Position-Controlled Open Gap Nip Variations
5B Case 2: Position-Controlled Indenting Nip Variations
5B Case 3: Position-Controlled Nip Variations from Web Variations
5B Case 4: Process Effects on Position-Controlled Nips
Nip Load Transients
5C Case 1: Runout & Hysteresis
5C Case 2: Closed-Loop Control & Geometry
5C Case 3: Product or Process Variations
5C Case 4: Vibrations & Bounce
CD Nip Load Variations
5D Case 1: Uneven Loading
5D Case 2: Misalignment
5D Case 3: Deflection
5D Case 4: CD Profiles of Web Thickness or Roller Diameter
5A – Force Control Nip Variations
TJWalker + Associates
Case 1:
Roller & Tension Forces
Case 2:
Pressurized Cylinder Effective Force
Case 3:
Nip Pressure Variations from Footprint Geometry
Case 4:
Wedging
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