CHM-SGT1700 Complete Guide

A High-Performance Twin Rotary Sheeter for Heavy Paper and Paperboard Production

As packaging materials become thicker and more demanding, paper converters need equipment capable of delivering greater cutting force, higher stability, and superior sheet quality. While a Single Rotary Sheeter is ideal for lightweight and medium-weight papers, heavy board and high-stiffness materials often require a more advanced solution.

The CHM-SGT1700 Twin Rotary Sheeter, developed by CHM Machinery, is specifically designed for these applications. Featuring synchronized upper and lower rotary knives, this high-precision Paper Sheeter Machine delivers clean cutting, excellent accuracy, and reliable performance when processing heavy paper and paperboard grades.

What Is the CHM-SGT1700?

The CHM-SGT1700 is a high-speed Roll to Sheet Cutting Machine that converts paper reels into finished sheets through a fully integrated process including unwinding, slitting, cutting, conveying, counting, and stacking.

Unlike a conventional Single Rotary Sheeter, the CHM-SGT1700 uses both upper and lower rotary knives working simultaneously. This synchronized cutting technology creates a continuous shearing action that reduces cutting impact and improves edge quality.

Designed for demanding production environments, the machine can process paper weights from 200gsm to 1000gsm, making it suitable for packaging board, industrial paperboard, and specialty materials.

How Does the CHM-SGT1700 Work?

Production begins with hydraulic reel loading and automatic tension control. The system continuously adjusts web tension according to paper weight and reel diameter, ensuring stable feeding throughout production.

The paper then passes through the slitting section before entering the high-precision twin rotary cutting unit. Both rotary knives rotate in synchronization, generating a smooth shearing action that minimizes vibration and cutting resistance.

After cutting, sheets move through a multi-stage conveying system equipped with anti-static devices. Automatic counting, label insertion, jogging, and stacking systems ensure efficient collection and preparation for downstream processing.

This complete workflow allows converters to achieve consistent sheet quality and high production efficiency.

Technical Specifications

The CHM-SGT1700 is engineered for heavy-duty paper converting applications.

The machine handles paper weights from 200gsm to 1000gsm and supports a maximum reel diameter of 1800 mm. Maximum sheet width reaches 1700 mm, while sheet lengths range from 450 mm to 1650 mm.

Production speeds can reach up to 300 cuts per minute and 300 meters per minute, depending on material characteristics and operating conditions.

Cutting accuracy is maintained at ±0.5 mm, providing reliable performance for demanding packaging and industrial applications. The machine can also process up to two rolls simultaneously under suitable production conditions.

With a total installed power of 88 kW, the CHM-SGT1700 delivers the strength and rigidity required for thick and heavy materials.

Suitable Paper Grades

The CHM-SGT1700 is designed for paper grades that often challenge traditional sheeting equipment.

Typical applications include:

• Folding box board

• White board

• Duplex board

• Coated packaging board

• Kraft liner

• White top liner

• Food packaging board

• Grey board

• Industrial paperboard

• Laminated specialty materials

For paper grades above 250gsm, the Twin Rotary Sheeter design offers significant advantages by reducing cutting impact and maintaining cleaner sheet edges.

When processing heavy board above 550gsm, the reinforced machine structure helps maintain stability while minimizing vibration and cutting defects.

Key Advantages of the CHM-SGT1700

The core advantage of the CHM-SGT1700 lies in its synchronized twin rotary cutting system.

Because both knives rotate together, cutting force is distributed evenly across the sheet width. This results in smoother cuts, cleaner edges, reduced dust generation, and improved dimensional accuracy.

Additional features such as automatic tension control, EPC web guiding, anti-static systems, automatic counting, label insertion, and high-speed stacking further improve production efficiency while reducing operator workload.

For packaging manufacturers and paperboard converters, these advantages translate into higher productivity, lower waste, and more consistent product quality.

Conclusion

The CHM-SGT1700 Twin Rotary Sheeter is a professional Paper Sheeting Machine built for demanding roll-to-sheet applications. With synchronized upper and lower rotary knives, a heavy-duty machine structure, and the ability to process materials from 200gsm to 1000gsm, it provides exceptional cutting quality and operational reliability.

For paper mills, packaging companies, and industrial board producers seeking a high-performance Roll Paper Sheeter, the CHM-SGT1700 offers an ideal combination of precision, productivity, and long-term durability.