Challenge CMT330C (2015) | Three-Knife Book Trimmer with Cooling & Stacker

Challenge CMT330C – High-Speed Three-Knife Book Trimmer Line (2015)

The Challenge CMT330C is a fully automated three-knife book trimming system designed for precise and efficient finishing of perfect-bound and digitally printed books. Manufactured in 2015, this industrial book trimmer offers fast format changeovers, wide size flexibility, and consistent cutting accuracy for commercial book production environments.

The system includes a complete configuration with tilt in-feed conveyor, cooling elevator, trimming unit, and vertical stacker, forming an integrated finishing line.

Technical specifications and format range

Start book size:

Maximum: 330 x 241 mm

Minimum: 178 x 172 mm

Finished book size:

Maximum: 307 x 238 mm

Minimum: 150 x 102 mm

Book thickness range: 1.3 – 50 mm

Allows trimming of thin brochures up to thick bound books.

Face trim: 140 mm

Top trim: 152 mm

Minimum trim: 2.5 mm

Designed for precise three-side trimming with consistent and clean cut quality.

Fast format changeover

Book size changeover time: less than 20 seconds

Optimized for short runs and variable digital production, reducing downtime between jobs.

Machine configuration

Tilt in-feed conveyor

Ensures smooth book feeding into the trimming unit.

Cooling elevator

Allows proper glue setting and cooling before trimming, improving finish quality.

CMT330C trimming unit

High-precision three-knife cutting system for head, foot, and face trimming.

Vertical stacker

Efficient book stacking for organized output and reduced manual handling.

Industrial applications

Perfect bound book finishing

Digital print book production

Short-run and on-demand book trimming

Commercial and educational book production

Catalog and manual finishing