Rotary Die Cutter With Stacker

Description

The Rotary Die Cutter with Stacker is a heavy-duty industrial converting system engineered for continuous inline die-cutting, matrix stripping, and automated shingle stacking of paperboard, corrugated board, foam, and flexible films.
Designed for 24/7 manufacturing operations, the system integrates precision rotary cutting mechanics with advanced multi-axis servo synchronization, maintaining stable registration at operational speeds up to 120 m/min. Built to accommodate web widths from 800 mm to 1650 mm, it serves packaging converters and industrial gasket manufacturers requiring strict dimensional repeatability and minimal material waste. Built in strict compliance with CE safety directives and UL/CSA-compliant electrical panel standards, it ensures seamless integration into regulated North American and European production environments.

Technical Specifications

Parameter	Specification Range / Value
Max. Web Width	800 mm – 1650 mm
Mechanical Speed	Up to 120 m/min (material-dependent)
Die-Cutting Precision	+/- 0.15 mm (registration accuracy)
Max. Unwind Diameter	1000 mm (pneumatic shaftless load with edge-guide sensor)
Stacking Height Limit	Up to 400 mm (programmable batch counter)
Cylinder Repeat Range	Z100 – Z250 (module 2 / module 3 gear options)
Main Drive System	Siemens / Yaskawa multi-axis servo vector control
Total Power Consumption	18 kW – 35 kW (380V / 50-60Hz / 3-phase; transformers optional for 480V North American grids)
Electrical Standards	CE-certified / UL-compliant control cabinet wiring & safety interlocks

Key Features

01/

Rigid Cast-Iron Frame Structure: 50 mm thick cast-iron side walls machined in a single clamping setup on 5-axis CNC boring mills, eliminating structural deflection and preserving gear mesh tolerances under high cutting loads.

02/

Closed-Loop Servo Infeed Control: Independent servo motors manage web tension before and after the die station, preventing substrate stretching or micro-distortion on elastic materials.

03/

Pneumatic Waste Stripping Module: Combined positive-pressure air nozzles and mechanical stripper pins clear matrix waste cleanly at peak line speeds without tearing.

04/

Programmable Shingle Stacker: Drop-gate discharge mechanism routes cut blanks onto multi-tier overlapping conveyor belts, preventing edge curling and enabling continuous non-stop batch removal.

05/

Pneumatic Tool Clamping: Quick-change magnetic cylinder housing reduces changeover downtime for recurring job runs.

06/

Enhanced Safety Interlocks: Perimeter light curtains, emergency pull-cords, and safety-rated dual-channel-monitored access doors compliant with international machinery safety codes (ISO 13849-1).

Applications

Corrugated & Paperboard Packaging: Folding carton blanks, protective inserts, box partitions, and blister card backing.

Industrial Gaskets & Seals: Rotary die-cutting of EPDM foam, neoprene, cork, felt, and double-sided adhesive bonding tapes.

Flexible Medical Converting: Breathable surgical tapes, transdermal patch layers, and sterile barrier packaging components (executed in cleanroom-compatible configurations upon request).

Automotive Interior Trim: Anti-rattle damping pads, dashboard insulation fleece, and door panel acoustic liners.

Configuration & Customization

Inline Integration:

Compatible with upstream unwinders, corona treaters, or flexographic printing decks for single-pass processing.

Tooling Compatibility:

Accommodates standard 1/8 inch or 1/4 inch magnetic cutting dies, as well as solid steel engraved anvil rolls.

Vision Inspection Option:

Integrates high-speed CCD line-scan cameras before the die station for printed-mark registration compensation.

Custom Footprint:

Left-to-right or right-to-left material flow layouts configured to match existing factory floor constraints.

Manufacturing & Quality Control

In-House Machining Capabilities: All main frames, gear blanks, and anvil cylinders are manufactured in-house using heavy-duty CNC gantry milling centers, guaranteeing mechanical concentricity within 0.005 mm.

Precision Gear Generation: Drive and timing gears are hobbed and profile-ground from 20CrMnTi alloy steel to DIN Grade 6 accuracy, ensuring backlash-free power transmission.

Dynamic Balancing: All rotary die and anvil cylinders undergo computerized dynamic balancing up to 1500 RPM to suppress harmonic vibration during high-speed runs.

Rigorous Factory Acceptance Testing (FAT): Every assembled machine undergoes a mandatory 72-hour dry run followed by a 4-hour live material test using client-supplied substrates prior to export crating, complete with certified test reports.

Installation & Technical Support

Comprehensive Documentation:

Systems ship complete with English electrical schematics, PLC ladder diagrams, pneumatic schematics, ISO component callouts, and CE compliance certificates.

Global Commissioning Services:

Experienced mechanical and automation engineers available worldwide for site installation, laser leveling, and operator training.

Remote Diagnostic Gateway:

Integrated industrial Ethernet router allows secure remote PLC program backups, firmware updates, and real-time troubleshooting.

Critical Spare Parts Stock:

High-wear components (pneumatic seals, proximity sensors, bearings, and timing belts) stocked in regional distribution hubs for dispatch within 48 hours.

Frequently Asked Questions

Q: What is the maximum thickness of corrugated board this rotary die cutter can process?

A: The machine handles single-wall corrugated board up to 5 mm thickness (B, C, or E flute) and solid paperboard up to 1200 GSM, depending on the cutting rule height and hardness of the anvil cylinder.

Q: How does the system maintain registration accuracy at 120 m/min?

A: Registration is maintained via closed-loop servo synchronization between the feed nip rollers and the rotary cylinder encoder, paired with a motorized lateral/circumferential register adjustment mechanism (+/- 5 mm adjustment range).

Q: Can we use our existing magnetic dies from other converting lines?

A: Yes. Cylinder journals, bearer rings, and gear pitches (such as 1/8 inch diametral pitch or metric module equivalents) can be custom-machined to match your existing tooling inventory.

Q: What utility requirements are needed on the factory floor?

A: The system requires a 3-phase electrical supply (standard 380V, 50Hz or customized with step-down transformers for North American 480V grids), and a clean compressed air supply delivering 0.6 to 0.8 MPa at 500 L/min for pneumatic clutches and waste stripping.

Q: What is the standard lead time for a custom-configured line?

A: Standard manufacturing, assembly, and FAT lead time ranges from 60 to 75 calendar days from receipt of deposit and sample substrate technical sign-off.

Q: What warranty coverage is provided on major machine components?

A: A standard 12-month warranty covers all structural frames, gearboxes, and servo drive motors against manufacturing defects, backed by lifetime remote technical support.

Request A Quote

To receive a precise engineering proposal and quotation tailored to your production line, please submit the following operational parameters:
1.Substrate type, GSM/thickness, and web width range
2.Required mechanical speed and daily output volume
3.Inline integration requirements (unwind, rewinding, or stacking preferences)
4.Target delivery port and electrical standard preference (CE or UL/CSA setup)

Contact our technical sales team directly at czksjx@gmail.com or submit an inquiry via the form below for a guaranteed engineering review and response within 24 hours.

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