Natraj Corrugating Machinery Co

Bamni Khera, Palwal, Haryana

fully automatic flexo printer slotter die cutting with inline folder gluer bundling , suitable for high production with easy operation and setting , for details pls write to us

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Overview

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We offer best-in-class Semi-Automatic Stitching Machines, manufactured in strict accordance with industry standards. Renowned for their precision operation and long working life, these machines are highly demanded in the domestic market. Available in various specifications to meet custom client requirements.

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Key Features

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   Imported Dual Servo-Drive System

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     Ensures high-precision operation and reliable performance.

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     Reduces reliance on mechanical transmission parts, effectively minimizing mechanical failure rates.

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   Touch Screen Interface

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     Simplifies operations such as:

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       Nail spacing adjustment

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       Number of nails

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       Nail type selection

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       Tailgate positioning

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     Makes format transformation quick and user-friendly.

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   Advanced PLC Control

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     Integrated Siemens PLC system for smart automation, stability, and reduced error rates.

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   High-Quality Pneumatics

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     Equipped with air compressor manufactured in Taiwan for dependable and long-term use.

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   Flexible Nailing Capabilities

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     Capable of:

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       Single nailing

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       Double nailing

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       Reinforced (strengthened) nailing

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     Supports single screw and double screw (center reinforcement) operations in one pass.

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   Box Type Compatibility

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     Can stitch both covered and uncovered cardboard boxes.

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   Nail Line Alarm System

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     Built-in error detection to alert users of missing nails or poor stitching, preventing defective packaging.

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   Labor-Saving Design

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     From stitching semi-finished boxes to bundling, the entire process requires only two operators.

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     Significantly reduces manual labor and operational costs.

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This versatile, high-speed flexo printing and die-cutting line is engineered to meet diverse customer demands for printing on 3-ply, 5-ply, and 7-ply corrugated board across flute types A, B, C, and E. With customizable printing units, Siemens PLC control, and advanced automation, its a powerful solution for modern box plants requiring precision, efficiency, and low maintenance.

rnrn Main Technical Specifications:rnrnrn Key Features:rn Advanced Control Systemrn

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  Siemens PLC with order memory function: Store and recall production orders to reduce changeover time.

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  Touchscreen interface for intuitive operation and troubleshooting.

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rn Vacuum Feeder Systemrn

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  Stable, accurate feeding using vacuum suction.

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  Rubber upper roller with floating suspension to prevent board damage.

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  Air cylinder adjustment for consistent feeding pressure.

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rn Printing Unitrn

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  High-quality anilox roller and rubber roller ensure vibrant and uniform printing.

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  Doctor blade system (optional) for precision ink control.

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  Automatic ink washing system:

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    Connects to plant water supply

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    Washes anilox roller automatically

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    Time-controlled via relay system

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    Includes fast ink collecting and recycling setup

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rn Automatic Slotterrn

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  Computerized setup for box length, width, and height

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  Rubber-coated creasing wheels protect board integrity

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  Fast format change for short runs and multiple box styles

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rn Die-Cutter Sectionrn

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  Independent servo drive (K.E.B. Germany) for die-cutting precision

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  Surface speed compensation for accurate cuts

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  Die cylinder shifting prolongs rubber anvil life

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rn Durability & Buildrn

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  All gears made from hardened chrome steel, ground for high precision

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  Uses premium bearings and branded electrical components from Taiwan and China

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rnrn Optional Add-ons:rn

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  Doctor blade system

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  Ink viscosity controller

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  Lead edge feeder upgrade

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  Stacker automation integration

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Description:

An integrated high-performance corrugated converting line combining automatic lead-edge feeding, 4-color flexographic printing, precision slotting, and rotary die cutting. Engineered for durability, speed, and versatility in medium to high-volume box manufacturing.

2. Feeding System:

• Type: Lead Edge Feeding System

• Feeding Speed: 100 120 pieces per minute

• Sheet Sizes Available (Max Width):

  • 1400 mm

  • 1600 mm

  • 1800 mm

  • 2000 mm

  • 2200 mm

3. Printing Unit:

• Configuration: 04-Color Flexographic Printing

• Inking System: Standard inking with optional ceramic anilox roller

• Doctor Blade: Optional closed chamber system available

• Print Registration: Manual and/or motorized control

4. Slotter Unit:

• Slotting Heads: Removable attachments for quick setup changes

• Adjustable slotting positions for different box styles

• Tool-less quick-lock system

5. Die Cutter Unit:

• Type: Rotary Die Cutter

• Die Cylinder: Quick-mount system

• Auto Repair Tool for Anvil Cover to maintain cutting precision and extend anvil lifespan

6. Drive & Control:

• Drive System: AC Drive with Variable Frequency Control

• Speed Controlled via integrated Control Panel with digital display

• Synchronization across all units for consistent quality

7. Locking & Safety:

• Pneumatic Locking System for machine sections

• Interlocked safety guards and emergency stop buttons as standard

8. Standard Accessories:

• Lubrication system (manual/automatic)

• Tools and tool box

• Operation & maintenance manual

• Anvil trimmer and repair tools

• Spare parts kit (standard wear items)

9. Optional Features (Available on Request):

• Vacuum transfer system

• Infrared dryer

• Automatic stacker or stripper

• Motorized slotting and printing adjustment

Application:

• Designed for corrugated box production lines

• Suitable for flexographic printing, slotting, die cutting, folding, gluing, and counting in a single integrated system

• Ideal for producing RSC (Regular Slotted Cartons) and various die-cut corrugated packaging

Key Components & Specifications: 1. Flexo Printing Unit:

• High-speed flexographic printer (up to 3-4 colors or as per configuration)

• Ceramic anilox rollers for consistent ink transfer

• Doctor blade system for precise ink metering

• Vacuum or lead edge feeder for smooth feeding of boards

• Infrared or UV drying system (optional)

2. Slotter Unit:

• High-precision slotting with servo-controlled knives

• Capable of multiple slotting and creasing patterns

• Auto setup for order changeovers

• Slitting knives and scoring wheels included

3. Rotary Die Cutter:

• Accurate rotary die cutting cylinder

• Rubber anvil for clean, burr-free cuts

• Suitable for custom-shaped boxes and perforation jobs

• Die-to-print registration control ensures accuracy

4. Folder Gluer Unit:

• Inline folding and gluing mechanism

• Suitable for cold glue or hot melt systems

• Servo-controlled folding belts for precise box folding

• Auto box forming and aligning system

5. Counter Ejector:

• Fully automatic counting, stacking, and ejecting

• Adjustable for different bundle sizes and box types

• Touch screen control panel with job memory function

Performance & Capabilities:

• Production speed: Up to 300 sheets/min (depending on configuration and box size)

• Sheet size range:

  • Max sheet size: 1400–2500 mm (width) x 1000–1400 mm (length)

  • Min sheet size: 350 x 600 mm (varies by model)

• Board types: 3-ply, 5-ply, 7-ply corrugated boards (A, B, C, E, F flute)

• Printing registration: ±0.5 mm

• Slotting accuracy: ±1.0 mm

• Die cutting accuracy: ±1.5 mm

• Folding accuracy: ±1.5 mm

Automation & Controls:

• Centralized PLC control system with touchscreen HMI

• Memory functions for repeat jobs

• Quick changeover system for different box sizes and types

• Remote diagnostics and software upgrade capability (optional)

Features & Benefits:

• Complete inline processing reduces handling and increases productivity

• High precision and repeatability

• Energy-efficient systems and low maintenance

• Robust design for continuous operation

• CE-compliant safety features and guards

1. Whole machine with high quality, high standard with reliable and safety design

2. Independent plc each section with colorful interface touch screen, easy operate and display.

3.international brand spare parts, electrical elements, adopt high standard quality marerial and parts suppliers.

4.main drive gears use imported material, high precise grinding, durable with long-life service, spray lubrication system for gears.

5.whole machine with expansion sets tight links to make sure precise printing and registration.

6.use expansion sets tight link to ensure printing precision for long time using.

This machine is component with the feeding unit, printing unit, Slotting unit, can accomplish the process of the corrugate

Paperboard printing, slotting.

The material of the body is HT250, after artificial treatment, Thickness of body is 40mm, making by CNC machine, with high Strength and high precision.

All the transmission gear is spiral gear, materials is 45# steel, afterHarding treatment, and adopt automatic circle lubrication, with low Noise, high precision and long use life.

Bearing adopt the famous brand in China like Luoyang, Wafangdian and HaerbinThe electric contactor adopt Telemecanique brand.

We are offering rnn-auto punching die cutting machine. rnDie punching machinerncreasing and cutting machine is special equipment forrncreasing and cutting ordinary cardboard corrugatedrnbored plastic and leather in general applicable to printingrnpackaging decoration and plastic in dustries. Machine isrncharacterized by compact strrctute, fine workmanship, rnbig pressure, high precision and easy and reliable operation, etc. rnFeaturesrnsliding bearing are made of high quality alloy cooper, rnthus to get effect of anti-frietion and shake reducingrnflywheel is with big moment of force and large pressurernhigh strength due tone piece casting by using top-rankingrn material for machine bodyrnhigh strength duo to integral casting with high quality steelrnsingle plate electromagnetic clutch is sensitive and reliable safety. rnAll series of machine can be selected with air clutchrnsingle pressing, continuous pressing, adjustable delayrn pressing availablernoperational height is reasonable arranged. The opening anglern of moving bed is optimumrnreliable performance of safety protection systemrninner and outer movable frame can be fitted, automaticrnoil pump matching

1. Four Axis Lead Edge Feeding System To Solve The Feeding Problem Of Bent Board

2.With Skip Feeding Function, Larger Size Cartons Can Be Produced.

3.Ues Expansion Sets Tight Link To Reduce Abrasion, Ensure Printing Prcision For Long Time Using.

4. Touch Screen input, adjustment by PLC and servo motor, positioning automatically, high efficiency.

5. Middle Knive movable structure, large format double piece boxes, Lid and bottom boxes can be produced.

6. Six axes with pre creaser : Double Screw rod structure.

Specifications : ----

1. Max. Machine Speed : 120 pcs/min.

2. Econimic Speed : 110 pcs/min.

3. Max. Size of continuous board feeding : 2500mmx1400mm

4. Max. Skip Feeding Size : 2500mmx1600mm

5. Min. Feeding Size : 700mmx360mm

6. Min. Slotting Gap Positive : 165x165x165x165mm

7. Min. Slotting Gap Nagative : 260x75x260x75mm

High-Efficiency Chain Feeder Type with Multi-Function Control

Key Features:

1. One-Pass Multi-Function Operation

   • Equipped with a chain feeder, the machine can complete printing, slitting, creasing, slotting, and cutting in a single pass, ensuring high efficiency and accuracy.

2. Smart Speed Control & Interface

   • Features frequency speed adjustment

   • PLC with touch screen interface for real-time control of multiple functions and ease of operation

3. Automatic Registration & Zeroing

   • Registration adjustment is fully automatic via data input

   • Automatic zero return and reset functions simplify setup and changeovers

4. Advanced Gear Lubrication System

   • Spray and cycle lubrication ensures optimal gear performance

   • Reduces noise, extends gear life, and maintains long-term print precision

5. Optional Computerized Slotter

   • An upgradeable computerized slotting system can be included for enhanced automation and precision in slotting operations

Benefits:

• Increases production speed and reduces manual handling

• Reduces setup time with auto-registration and easy zero-reset

• Enhances machine life and performance with automated lubrication

• Operator-friendly design with intelligent controls

• Versatile enough to handle various box styles and printing requirements

Precision Cutting for Book Covers & Packaging Applications

\n\n Product Overview:\n

We are a trusted Manufacturer, Exporter, and Supplier of Single Face Corrugated Machines in India, delivering reliable machinery designed to streamline the conversion of hard cardboard and corrugated sheets into precise sizes for bookbinding and packaging.

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Our Single Face Corrugated Machine is specially engineered to cut large-size cardboard into multiple slots simultaneously, improving production efficiency and reducing manual labor.

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  Efficient Size Reduction
  Specializes in cutting large hardboard sheets into smaller sizes for book covers and packaging inserts.

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  Multi-Slot Cutting Capability
  Cuts multiple slots in a single pass, saving time and boosting productivity.

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  Durable & Reliable Design
  Constructed with heavy-duty components for consistent performance and long service life.

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  Simple Operation
  Easy to set up and operate, even for entry-level users.

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  Versatile Applications
  Ideal for book cover manufacturing, carton preparation, and board partition making.

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\n\n Why Choose Us?\n

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  Leading presence in domestic and international markets

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  In-house manufacturing ensures strict quality control

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  Customizable machine sizes and configurations available

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  Reliable support and cost-effective pricing

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2. Lead Feeder paper system

1) the suction assist feeder paper, draught fan 7.5 kw, at different levels can be bent according to the board, air volume adjustment, ensure feeding smoothly.

2) Carry paper, fall paper adopt cylinder push, move quick and powerful.

3)Side panel for manual adjustment, front and back panel are manual adjustment.(can options Electrical adjustment ).

4) Taiwan super resistance to lead feeding wheel, Perishable Wear Resistant.

5)skip feeding paper device, ( can choose according to need continuous or skip feeder paper).

6)Feeding counter, set, display production quantity .

3.Dust removal device1) Paper brush dust removal device, can remove impurity on printing cardboard the surface , improve the quality of printing .

4. Feeder paper roller .

1) Outer diameter: 140 mm, up roller .

The whole machine functionï¼

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The phase and box height are controlled by computerized system(CNC) with the characteristics like order storage , quick order changing and convenient control.

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²  Whole adsorption feeding printing slotting and die-cutting machine adopts suction lead edge feeding with Double plastic core-rubber-tires at the front and at the end of the machine guarantee the precision of the equipment.

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²  Doctor blade system is optional. Rubber roll: best inking. Dual docor blades system: perfect spot print.

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²  Optional single and double slotting units can meet different needs of selection.

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²  Precision linear guide horizontal displacement systems is equipped with slotting unit.

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²  Speed difference compensation system is equipped with Die  unit,   automatic longitudinal and lateral displacement is equipped with rubber cushion roller .

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²  Transmission gears use 40 chrome steel after high-frequency quenching and gear grinding  in accordance with national level 6 standard.

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²  Electrical components, transmission bearings, pneumatic control components etc. Are all in accordance with the national standard.

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²  Lead edge location adjusting suction with convert.

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²  Double plastic core-rubber-tires at the front and at the end of the machine guarantee the precision of the equipment.

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²  Lefe-right side feeding location register.Precise linear guides set for accurate transfer.

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Machine unit open\\close alarm, pneumatic inter lock, over lock protection

Product Overview

Our Combined Flexo Printer Slotter is a versatile and efficient solution for high-speed corrugated box manufacturing. Designed for high productivity and easy operation, this machine integrates printing and slotting functions into a single unit, significantly improving workflow and reducing manual labor.

Key Features

• Integrated Flexo Printing and Slotting

  • Combines two core processes into one machine for streamlined production and space-saving efficiency.

• High-Speed Operation

  • Capable of processing up to 60 sheets per minute, supporting large-scale production needs.

• Easy to Operate

  • User-friendly controls ensure minimal training is required.

  • Simplified setup and adjustments reduce downtime and operator error.

• High Productivity, Low Labor Requirement

  • Designed to maximize output with minimal manpower, lowering labor costs and improving overall plant efficiency.

• Reliable Performance

  • Built with robust components to ensure durability and consistent performance in demanding production environments.

Two-Color Water-Based Printing Slotting Die-Cutting Machine

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The RNN-480 Series is a versatile and efficient converting machine designed for corrugated box production. It integrates two-color flexographic printing, slotting, and rotary die-cutting functions into a single machine, making it ideal for medium to large-scale packaging operations.

rnrnKey Features:rn1. Two-Color Water-Based Flexo Printingrn

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  Utilizes eco-friendly water-based ink for vibrant, fast-drying prints.

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  Ensures clear, consistent print quality on corrugated board.

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  Easy-to-clean anilox and doctor blade systems.

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  Optional ceramic anilox rollers available for precision ink transfer.

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rn2. Slotting Unitrn

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  Adjustable slotting knives to create accurate slots for box folding.

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  Fast positioning with manual or optional motorized setup.

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  Removable slotting attachments for quick format changeovers.

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rn3. Rotary Die-Cutting Unitrn

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  High-speed die-cutting for custom shapes and designs.

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  Uses a rotary die roller with anvil support for clean cuts.

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  Features automatic or manual anvil repair tool to extend roller life.

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rn4. Feeding Systemrn

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  Lead edge feeding system with vacuum assist ensures precise sheet feeding without damage.

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  Suitable for corrugated boards of various thicknesses.

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  Auto sheet counter and feeding stop when target quantity is reached.

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rn5. Drive & Control Systemrn

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  AC Drive with inverter control allows stepless speed adjustment.

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  Central control panel with touchscreen (HMI) for easy operation.

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  Displays printing speed, production count, and error diagnostics.

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rn6. Build & Safetyrn

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  Heavy-duty structure ensures long-term stability and minimal vibration.

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  Equipped with pneumatic locking, interlock safety guards, and emergency stop functions for operator safety.

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rnrnApplications:rn

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  Corrugated box printing and converting

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  Suitable for producing RSC, die-cut boxes, and printed cartons

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  Ideal for packaging in industries like food, electronics, and logistics

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specifications:

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model	rnn-1080	rnn-1300
max. Paper size	1060 x 760 mm	1300 x 930 mm
min. Paper size	400 x 370 mm	550 x 500 mm
max. Die-cutting size	1000 x 770 mm	1280 x 920 mm
max. Die-cutting pressure	300 n/c	300 n/c