Heavy-Duty Carton Slotter

Heavy-Duty Carton Slotter

The Heavy-Duty Carton Slotter is engineered for corrugated packaging plants requiring precise slotting, slitting, and scoring on heavy-wall boards (double-wall and triple-wall). Built with a high-rigidity cast iron frame and precision-ground alloy steel shafts, this machine maintains tight tolerances under continuous multi-shift operation. It processes standard RSC and custom heavy-duty transport containers with clean cuts and zero board crush.

Description

The Heavy-Duty Carton Slotter is engineered for corrugated packaging plants requiring precise slotting, slitting, and scoring on heavy-wall boards (double-wall and triple-wall). Built with a high-rigidity cast iron frame and precision-ground alloy steel shafts, this machine maintains tight tolerances under continuous multi-shift operation. It processes standard RSC and custom heavy-duty transport containers with clean cuts and zero board crush.


Primary Function: Slotting, slitting, and creasing corrugated sheets.


Board Compatibility: Single-wall, double-wall, and heavy-duty triple-wall corrugated boards (A, B, C, E flute combinations).


Drive System: Independent frequency inverter control with helical gear transmission for stable torque output.

 

Technical Specifications

 

Model

Working Width (mm)

Max. Speed (cuts/min)

Board Thickness Range (mm)

Slot Depth Accuracy (mm)

Total Power (kW)

CS-2200HD

2200

160

3 - 15

± 0.5

11.0

CS-2600HD

2600

160

3 - 15

± 0.5

15.0

CS-2800HD

2800

140

3 - 20

± 0.5

18.5

 

Slot Width: Standard 7mm or 9mm (customizable).


Phase Adjustment: 360-degree planetary gear mechanism, motorized or manual phase control with digital display (0.1° resolution).


Lubrication System: Automatic circulating oil pump with oil level monitoring.

 

Key Features

01/

Rigid Cast Frame: Machine side frames are cast from HT250 grey iron, annealed to eliminate internal stress, and line-bored on CNC floor-type boring machines to ensure parallel shaft alignment under heavy load.

02/

Tungsten Steel Alloy Blades: Slotting knives are forged from SKH-9 high-speed steel or tungsten carbide-tipped material, heat-treated to HRC 60–62, delivering over 3,000,000 continuous cuts before requiring regrinding.

03/

Quick-Change Tool Holder: Split-type tool holders allow operators to reposition slotting heads and creasing wheels rapidly, reducing order changeover time to under 15 minutes.

04/

Pneumatic Waste Removal: Integrated suction chute and waste-stripping brush clear paper trim instantly, preventing jam-ups during high-speed runs.

 

Applications

 

Heavy-Duty Shipping Containers: Large-format industrial packaging for appliances, automotive parts, and machinery.


Agriculture Bulk Bins: High-strength triple-wall agricultural produce boxes requiring deep, clean slots for interlocking flaps.


E-Commerce Master Cartons: High-volume standard RSC boxes produced continuously across multi-shift converting lines.


Furniture Packaging: Long-span corrugated sleeves and wrap-around corrugated assemblies.

 

Configuration & Customization

 

Standard Configuration: PLC control interface, motorized axial movement of slotting heads, manual gap adjustment, and standard photoelectric safety guards.


Optional Upgrades:
Siemens PLC and Touch Screen HMI for recipe storage (up to 999 orders).
Vacuum-assisted sheet feeding to prevent slip on heavy triple-wall boards.
In-line rotary die-cutting module integration.


Custom Engineering: Working widths from 1800mm to 3200mm available upon request to match existing corrugator or flexo printer slotter line heights.

 

Quality Control & Manufacturing

 

Manufacturing heavy-duty converting machinery requires strict metallurgical and dimensional control. Our production facility applies the following process standards:

Material Inspection:

Incoming alloy steel shafts and castings undergo ultrasonic flaw detection and hardness testing before machining.

Precision Machining:

Main shafts and gear assemblies are finished on CNC grinding machines to maintain runout tolerances within 0.015 mm.

Factory Load Testing:

Every machine undergoes a 4-hour continuous dry run and a simulated board-cutting test prior to crating, checking bearing temperature rise, noise levels (< 80 dB), and transmission stability.

Compliance:

Built in accordance with CE safety directives and ISO 9001 manufacturing quality management systems.

 

 

Installation & Technical Support

 

Documentation: Comprehensive technical manuals supplied in English, including electrical schematics, hydraulic/pneumatic diagrams, and consumable parts lists.


Installation Guidance: Remote video engineering support provided standard. On-site mechanical commissioning by certified technicians is available upon contract agreement.


Spare Parts Inventory: Critical wear items-such as slotting knives, polyurethane anvils, and drive belts-are stocked in standard sizes for immediate dispatch.

 

Frequently Asked Questions

 

Q: What is the maximum board thickness this machine can process without crushing the flutes?

A: The standard heavy-duty configuration handles board thicknesses from 3mm up to 15mm. The parallel clearance between the upper and lower slotting shafts is adjustable via calibrated worm gears, ensuring clean cuts on heavy double-wall and triple-wall boards without compromising edge crush resistance (ECT).

Q: How long does it take to change slotting knife positions between different box orders?

A: With the motorized axial positioning system and split-type tool holders, an operator can complete a full order changeover-including slot position and depth adjustment-in approximately 10 to 15 minutes.

Q: Are the slotting blades regrindable?

A: Yes. The standard SKH-9 alloy steel blades can be surface-ground up to 3 to 4 times before reaching their minimum usable thickness threshold, significantly reducing annual consumable costs.

Q: What power supply and air pressure requirements are needed on-site?

A: The machine operates on standard industrial power (380V / 415V / 480V, 50Hz/60Hz, 3-phase). The pneumatic waste removal system requires a compressed air supply of 0.6 MPa at 0.2 m³/min.

Q: What is the typical lead time from order confirmation to shipment?

A: Standard configurations (Working width 2200mm / 2600mm) typically ship within 35 to 45 days. Customized configurations or non-standard widths require 50 to 60 days.

Q: What warranty terms do you provide for mechanical and electrical components?

A: We provide a 12-month standard warranty covering all non-consumable mechanical parts (such as gearboxes, side frames, and main shafts) and electrical drives (motors and inverters) from the date of bill of lading.

 

Request A Quote

 

To receive an accurate quotation tailored to your plant requirements, please provide the following details in your inquiry:
1.Max working width required: (e.g., 2200mm, 2600mm).
2.Maximum board thickness and flute types processed: (Single, Double, or Triple Wall).
3.Preferred control system: (Manual adjustment vs. PLC auto-set recipe memory).
4.Destination port: For shipping cost calculation.

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