Label Inspection Machine

RK AHSI-320 and AHSI-450 Automatic Label Inspection Machine With Slitting
01 — Overview
Automatic Label Inspection Machine Manufacturer in India
A printed label roll can look perfect on the press and still carry faults – a missing label, a colour shift, a registration drift, a scratch, a smudged barcode. When those rolls reach a pharma or FMCG customer's labelling line, one bad label can stop the line or, worse, get onto a pack. Manual inspection catches some of it, but not at production speed and not consistently across a shift.
The RK AHSI is an automatic label inspection machine with slitting, built in two sizes: the AHSI-320 for rolls up to 320 mm wide and the AHSI-450 for rolls up to 450 mm wide. RK supplies the machine without the inspection system, and the customer chooses the camera: 2K, 4K or 8K cameras from E+L, Lucid or OK. A customer who already has an inspection system can mount it on the machine instead. The machine unwinds the printed roll, passes it over a 20" inspection table, slits the web with razor and rotary blades and rewinds it, at 100 to 150 m/min. RK Label Printing Machinery Pvt. Ltd. manufactures it in Ahmedabad, Gujarat.
This page explains what the AHSI includes, how the 320 mm and 450 mm models differ, how the camera options work, and how to decide between automatic and manual inspection for your plant.
02 — Specifications
Technical Specifications
- RK AHSI-320 / RK AHSI-450
- AUTOMATIC LABEL INSPECTION MACHINE WITH SLITTING (WITHOUT INSPECTION SYSTEM)
- 320 mm Maximum (AHSI-320)
- 450 mm Maximum (AHSI-450)
- Roll to Roll Automatic Inspection Machine with Facility to Mount Inspection System
- Camera / inspection system is not included in the base machine. Options: 2K, 4K or 8K cameras from E+L, Lucid or OK, or the customer's own system
- Top Inspection Table Length 20”
- Separate Motor Near Unwinding Unit for Pulling Not OK Labels
- Max Roll ø600mm
- 3” Air Shaft (75mm)
- Trolley Type Electronic Web Guide for Paper Movement (IMPORTED: ULTRASONIC BASED SYSTEM / BRAND: ARISE)
- Web Guide with Splicing Table & Paper Holder for Paper Joining
- AHSI-320: Auto Electronic Tension Controller with Powder Brake & Load Cell Feedback (IMPORTED)
- AHSI-450: Auto Electronic Tension Controller with Servo Motor (BRAND: INOVANCE / SCHNEIDER / LENZE)
- Driven by Servo Motor (AHSI-320 BRAND: SCHNEIDER; AHSI-450 BRAND: INOVANCE / SCHNEIDER / LENZE)
- Full Touch 7” HMI Screen for Ease of Operation & Setting (AHSI-320 BRAND: SCHNEIDER; AHSI-450 BRAND: INOVANCE)
- Label Counter & Meter Counter with Auto Stop Control, PLC Based (AHSI-320 PLC BRAND: SCHNEIDER; AHSI-450 PLC BRAND: INOVANCE / SCHNEIDER / LENZE)
- Both Razor Blade & Rotary Blade with Bottom Cutter (5 Pcs Each)
- Air Blower System for Waste Trim Collection at Machine Back Side
- Entire Unit can be Moved for Slitting Adjustment
- Trolley Type Electronic Web Guide for Paper Movement before Slitting Unit (IMPORTED: ULTRASONIC BASED SYSTEM / BRAND: ARISE)
- Max Roll ø450mm (AHSI-320) / ø600mm (AHSI-450)
- 3” Air Shaft (75mm)
- AHSI-320: Driven by Separate Individual Servo Motor with Variable Speed Drive (BRAND: SCHNEIDER)
- AHSI-450: Driven by Separate Individual Motor with Torque Drive (BRAND: INOVANCE / SCHNEIDER / LENZE)
- 100 to 150 m/min
- AHSI-320: Height 4.6 Ft, Width 4.6 Ft, Length 10 Ft
- AHSI-450: Height 6 Ft, Width 5.6 Ft, Length 10.6 Ft
03 — What Is It
What Is the RK AHSI Automatic Label Inspection Machine?
It is a roll to roll inspection rewinding machine built to carry an inspection system. The machine unwinds the printed roll, brings it past the inspection table, slits it and rewinds it. A camera and inspection software, fitted as an option, check the labels as the roll passes. The base machine is sold without the camera, and the base price does not include it.
Both models have a trolley type imported ultrasonic web guide on the unwinding unit and a second one before the slitting unit, an auto electronic tension controller on the unwind, a servo driven main nip roller, a 7" full touch HMI screen, a PLC based label and meter counter with auto stop, a 20" top inspection table and an air blower for waste trim collection. The slitting unit has razor and rotary blades with a bottom cutter, five of each, and the whole unit can be moved for slitting adjustment.
04 — Key Features
Key Features of the AHSI Inspection Machine
Two Sizes: 320 mm and 450 mm
The AHSI-320 takes a paper width up to 320 mm and the AHSI-450 up to 450 mm. Both unwind rolls up to 600 mm diameter on a 3" air shaft. The AHSI-320 rewinds rolls up to 450 mm diameter and the AHSI-450 up to 600 mm.
Camera Options: 2K, 4K or 8K cameras from E+L, Lucid or OK
RK fits the camera the customer chooses. The options are 2K, 4K or 8K cameras from E+L, Lucid or OK. The base price of the machine does not include the camera.
Mount Your Own Inspection System
The machine is built with a facility to mount an inspection system. A customer can take the machine without a camera and integrate their own system.
Two Trolley Type Web Guides
An imported ultrasonic based electronic web guide (brand Arise) on a trolley at the unwinding unit, and a second one before the slitting unit. A web guide with splicing table and paper holder is fitted for paper joining.
Unwind Tension Control
On the AHSI-320 an auto electronic tension controller with powder brake and load cell feedback (imported) controls unwind tension. The AHSI-450 uses an auto electronic tension controller with a servo motor.
Servo Nip Roller and Separate Pulling Motor
The main nip roller is driven by a servo motor. A separate motor near the unwinding unit is fitted for pulling not OK labels.
Razor and Rotary Blade Slitting
Razor blades and rotary blades with a bottom cutter, five pieces of each. The whole slitting unit can be moved for slitting adjustment, and an air blower collects the waste trim at the back of the machine.
7 Inch HMI and PLC Counting
A full touch 7" HMI screen sets the machine. A PLC based label counter and meter counter stop the machine at the set count.
Separate Rewinding Drive
The rewinding unit has a 3" air shaft driven by its own motor: a servo motor with variable speed drive on the AHSI-320, and a motor with torque drive on the AHSI-450.
05 — How It Works
How Does the Automatic Label Inspection Machine Work?
The printed roll, up to 600 mm diameter, is loaded on the 3" air shaft of the unwinding unit. A trolley type ultrasonic web guide keeps the web centred and the tension controller holds it steady as it moves past the 20" top inspection table, where the inspection system, if fitted, checks the labels.
After the inspection table, a second web guide aligns the web for the slitting unit, where razor or rotary blades cut it into finished widths and the air blower removes the trim at the back of the machine. The PLC based counter stops the machine at the set label count or metre length, and the slit rolls wind on the 3" air shaft of the rewinding unit, up to 450 mm diameter on the AHSI-320 and 600 mm on the AHSI-450.
06 — Applications
Applications of the AHSI
- Pharma label inspection: checking printed labels before dispatch to regulated customers, with a camera fitted.
- FMCG and food labels: checking brand labels before they reach the customer's labelling line.
- Inspection and slitting in one pass: converting master rolls into inspected, slit customer rolls.
- Rework of rejected rolls: locating and repairing faults in rolls returned by customers.
07 — Materials
What Materials Can It Handle?
The AHSI runs most of the materials that RK's flexo printing machines print: self-adhesive label stock, paper, BOPP, PE and PET film, foil, lami tube and blister foil. RK runs a trial on the customer's own material before almost every order, so share your materials with RK before the specification is fixed. The AHSI takes paper widths up to 320 mm (AHSI-320) or 450 mm (AHSI-450), on rolls up to 600 mm in diameter.
09 — Why RK
Why Choose RK Label Machines?
RK Label Printing Machinery Pvt. Ltd. has manufactured label printing and converting machinery in Ahmedabad, Gujarat since 1995, across three manufacturing units, with customers in 23+ countries. The AHSI is built on RK's own web handling, slitting and rewinding, and RK supplies it with or without a camera, so the buyer chooses the inspection system. RK engineers install the machine and train your operators on site. RK can also make an inspection machine for your own paper width, as per your requirement.
10 — Selection Guide
How to Select the Right Label Inspection Machine
- Customer requirements: if your pharma or FMCG customers demand 100% inspection records, choose the automatic AHSI over manual inspection.
- Camera: choose 2K, 4K or 8K cameras from E+L, Lucid or OK, or supply your own inspection system. Tell RK the label details and defects you must catch so the camera is chosen for them.
- Defect types: list what you must catch, such as missing labels, colour, registration and scratches, so the inspection system is configured for them.
- Slitting needs: confirm your slit widths. Razor and rotary blades with a bottom cutter, five of each, are fitted.
- What is your paper width? 320 mm (AHSI-320) or 450 mm (AHSI-450), or a paper width of your own: RK can make the machine as per your requirement. Unwind up to 600 mm; rewind up to 450 mm on the AHSI-320 and 600 mm on the AHSI-450; 3" air shafts.
- Speed: 100 to 150 m/min. Match it to your press output and inspection volume.
- Space: AHSI-320 is 4.6 ft high, 4.6 ft wide and 10 ft long; AHSI-450 is 6 ft high, 5.6 ft wide and 10.6 ft long.
11 — Price
Automatic Label Inspection Machine Price in India
The price of the AHSI depends on the model (320 mm or 450 mm), the camera chosen or whether you supply your own inspection system, and the slitting blade sets. The base machine price does not include the camera. RK quotes ex-works Ahmedabad with GST at 18% applicable; engineer travel and stay for installation and training at your site are borne by the customer. Send RK your label sizes, materials, defect requirements and monthly volume for a configured quotation.
12 — Machine Video
13 — FAQ
A roll to roll rewinding machine with slitting that carries an inspection system, usually a camera, to check the labels on a roll. The RK AHSI is supplied without the camera, which the customer chooses.
No. The AHSI is sold without the inspection system and the base price does not include it. The customer chooses the camera, or mounts their own inspection system.
2K, 4K or 8K cameras from E+L, Lucid or OK.
Yes. The machine has a facility to mount an inspection system, so a customer can take it without a camera and integrate their own.
AHSI-320 for a paper width up to 320 mm and AHSI-450 for a paper width up to 450 mm.
Most of the materials RK's flexo printing machines print: self-adhesive label stock, paper, BOPP, PE and PET film, foil, lami tube and blister foil. RK runs a trial on your material before almost every order.
Yes. The standard models take 320 mm and 450 mm paper widths, and RK can make the machine for your own paper width as per your requirement. Tell the team the width of your widest roll.
Yes. The slitting unit has razor blades and rotary blades with a bottom cutter, five of each, and an air blower collects the waste trim.
Unwind up to 600 mm diameter on a 3" air shaft. Rewind up to 450 mm diameter on the AHSI-320 and 600 mm on the AHSI-450, on a 3" air shaft.
100 to 150 m/min.
The manual machine relies on the operator's eyes at an inspection table. The AHSI carries a camera based inspection system, chosen by the customer, to check the labels, and it slits the roll.
RK Label Printing Machinery Pvt. Ltd., Ahmedabad, Gujarat.
Get Automatic Label Inspection Into Your Production Line
If your customers expect every label to be right, an inspection rewinder with a camera is the way to prove it. Share your label sizes, paper width, materials, defect requirements and monthly volume with the RK team, and they will recommend the AHSI-320 or AHSI-450, the camera option and a quotation.
Get a Customized Machine Quote
Our engineers are ready to help you choose the right production line. Send us your requirements for a detailed proposal.