Manufacturing Processes
How corrugated boxes are made — from corrugator machines to converting and printing.
The Containerboard Manufacturing Process: Kraft, Recycled, and Semi-Chemical Methods
A detailed guide to how containerboard is manufactured, covering kraft, recycled, and semi-chemical processes from wood chip to finished linerboard and medium.
How Corrugated Cardboard Is Made: From Tree to Finished Box (Complete Guide)
The complete manufacturing process for corrugated cardboard — from forestry and pulping through papermaking, corrugating, and converting into finished boxes.
Flexographic vs. Digital Printing on Corrugated: Cost, Quality, and When to Use Each
A detailed comparison of flexographic and digital printing on corrugated packaging, covering cost structures, quality differences, run lengths, and decision criteria.
Inside a Corrugator: How the World's Fastest Machines Produce Corrugated Board
A detailed look inside a corrugator machine — how the singlefacer, bridge, double backer, and rotary shear work together to produce corrugated board at 1,000+ ft/min.
Quality Control in Corrugated Manufacturing: Tests Every Box Plant Runs
A comprehensive guide to quality control tests in corrugated manufacturing — Cobb test, ring crush, flat crush, pin adhesion, warp measurement, and more.
How Digital Printing Is Revolutionizing Short-Run Corrugated Packaging
How digital inkjet printing is transforming short-run corrugated packaging with zero plate costs, instant versioning, and near-offset quality on corrugated board.
Warp, Washboarding, and Other Corrugated Defects: Causes and Solutions
Identify and troubleshoot common corrugated board defects including warp, washboarding, delamination, and crush, with root causes and practical solutions.
Corrugated Board Adhesives: Starch-Based Glues and How They Affect Performance
A technical deep dive into corrugated board adhesives — corn starch formulas, Stein-Hall chemistry, gel point, bond strength, and specialty adhesive options.
Die-Cutting and Converting: How Flat Corrugated Board Becomes a Finished Box
A detailed look at the corrugated converting process — rotary die-cutting, flatbed die-cutting, scoring, folding, gluing, and how they produce finished boxes.
The Role of the Corrugator Machine: Speed, Width, and Production Capacity Explained
How the corrugator machine works — singlefacer, bridge, double backer, slitter scorer, and cutoff sections explained, with speeds up to 1,200 ft/min.