Nonwoven hygiene products

KARWEB NONWOVENS, based in Turkey, is one of the big global players in the sector of hygiene products with more than 270 product types made from nonwoven fabric. They export 80 percent of our production to 36 countries, like America, England and Italy. At their Spunlace plant, they can produce protective products against bacterial due to sophisticated technologies like Ozone Threatment and UV systems.

In the quality control process, which is of great importance in the hygiene sector, they rely upon the quality control system Qualiscan QMS-12 from Mahlo.  With instant quality detection, they can continuously control the correct component mixture of their fibre products.

A traversing scanner (o-frame) of type Webpro M with two sensors for simultaneous measurement is used for the task. The infrared sensor Infralot IMF detects the moisture. The Gravimat DFI beta sensor measures the basis weight.

Pictures courtesy of Selçuk İplik, Turkey

Videos

Web gauging

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    mCast Nonwoven | Measure multiple properties with one sensor
    Infrared reflectionInfrared transmission

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    mCast Nonwoven | Moisture measurement on nonwovens production
    Infrared reflectionInfrared transmission

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    mCast Nonwoven | Basis weight measurement on nonwovens production
    Beta transmissionX-ray reflectionX-ray transmission

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    Web gauging: How does a Qualiscan QMS work?
    Infrared reflectionInfrared transmissionLaser triangulationLight-band shadowingAirflow measurementMicrowave resonanceX-ray reflectionX-ray transmissionWhite light interference

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    Web gauging: Scanner assembling workshop at Mahlo
    Beta transmissionInfrared reflectionInfrared transmissionLaser triangulationLight-band shadowingAirflow measurementMicrowave resonanceX-ray reflectionX-ray transmissionWhite light interference

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    Web gauging: QCS Pilot Line at Mahlo USA
    Infrared reflectionInfrared transmissionLaser triangulationLight-band shadowingAirflow measurementMicrowave resonanceX-ray reflectionX-ray transmissionWhite light interference

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    Qualiscan QMS-12

    Traversing quality control system

    Matthias Wulbeck Mr Matthias Wulbeck
    +49 9441 601 123
    matthias.wulbeck@mahlo.com
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    Web process control

    The Qualiscan QMS is a modular system for measuring, logging and controlling critical process parameters over the entire width of the product, including basis weight, coating weight, thickness, moisture etc.

    Product Highlights

    • Modern construction with intelligent sensors and traversing frames
    • Based on industry standard hardened computers running Windows embedded operating system
    • Components communicate through digital interfaces

    Customer benefits

    • Savings in raw materials and/or energy at the manufacturing stage
    • Uninterrupted monitoring and logging of actual product quality
    • Improvement in product quality, especially in conjunction with control

    Sensors

    The right tool for every application
    The Qualiscan QMS is a modular system consisting of multiple measuring sensors and measurement frames acting as intelligent nodes on a network. Some frames can run up to five Mahlo sensors at once, continuously, precisely and rapidly across the online product.

    The versatile sensors and measuring devices of the Qualiscan QMS series can sense, log and continuously control such parameters as weight per unit area (basis weight), coating weight, thickness and moisture in a variety of web-type products.

    Sensor Gravimat DFI for basis weight / thickness
    Gravimat FMI/DFI

    Measurement of basis weight (mass per unit area) / thickness /density

    Sensor Gravimat FMX for basis weight / thickness
    Gravimat FMX

    Measurement of basis weight (mass per unit area) / thickness

    Sensor Gravimat FMX-T for basis weight / thickness
    Gravimat FMX-T

    Measurement of basis weight (mass per unit area) / thickness / density

    Single-sided Sensor Infralot IMF for moisture and basis weight
    Infralot IMF

    Measurement of moisture / organic compound

    Sensor Infrascope NIR for basis weight / moisture
    Infrascope NIR

    Measurement of basis weight (mass per unit area) / moisture

    White light interference sensor Optoscope WLI
    Optoscope WLI

    Measurement of thickness / layer thickness

    Microwave moisture Sensor Aqualot AMF
    Aqualot AMF

    Measurement of moisture

    Microwave resonance sensor Aqualot HMF for moisture measurement (Type DS115)
    Aqualot HMF

    Measurement of moisture

    Laser triangulation sensor Calipro DML
    Calipro DML

    Measurement of thickness (contactless)

    LED micrometer Calipro DMS for thickness measurement
    Calipro DMS

    Measurement of thickness (contactless)

    Permeability sensor Airpro APM
    Airpro APM

    Measurement of permeability / pressure drops

    Infrared sensor Webtemp WTP
    Webtemp WTP

    Measurement of web temperature

    Weight and moisture measurement on running spunlace web

    Simultaneous measurement of residual moisture (Infralot IMF infrared sensor) and basis weight (Gravimat DFI beta sensor) on running web of spunlace nonwoven fabric

    On-line control of key process parameters

    The Qualiscan QMS can be used in virtually every industrial sector in which products are produced as a web, or where they are finished (laminated, coated, etc.). The versatile sensors and measuring devices of the Qualiscan QMS series can sense, log and continuously control such parameters as basis weight (weight per unit area), coating weight, thickness and moisture in a variety of web-type products.

    • Web process control
    • Coating & Converting
    • Extrusion
    • Nonwoven
    • Textile
    • Paper

    Measuring frames

    Universal application
    The measuring frame traverses the sensors on-line across the whole product width and provides a cross-machine direction profile of basis weight, thickness or moisture on the display console that is a crosssection of the manufactured product.

    One or more different measuring frames can be connected to a Qualiscan QMS system. Connection is made via a normal network cable, a standard 230/115 V source supplies the power.

    Scanner Webpro L (O-frame)
    Webpro L-II

    Double-sided measuring frame for large widths

    Scanner Webpro LH (O-frame)
    Webpro LH-II

    Double-sided measuring frame for large widths and thick webs

    Scanner Webpro LC (O-frame with C-frame function)
    Webpro LC-II

    O-frame with C-frame function

    Scanner Webpro M (O-frame)
    Webpro M

    Double-sided measuring frame for normal widths

    Scanner Webpro MH (O-frame)
    Webpro MH

    Double-sided measuring frame for normal widths and thick products

    Compact O-frame Webpro S
    Webpro S-II

    Double-sided measuring frame for confined installation spaces

    O-frame scanner Webpro XS-II
    Webpro XS-II

    Double sided measuring frame for narrow webs

    Scanner Webpro C (C-frame)
    Webpro CH

    C-measuring frame for horizontally running webs

    Scanner Webpro CV (C-frame)
    Webpro CV

    C-measuring frame for vertically running webs

    Single sided measuring frame Uniscan M with reflector
    Uniscan M

    Single sided scanner for large widths

    Single-sided scanner Uniscan S
    Uniscan S

    Single sided scanner for normal widths

    Stationary measuring point
    Profix

    For fixed measuring points

    Connecting the measuring frames

    One or more different scanning frames can be connected to a Qualiscan QMS system. Connection is made via a normal network cable, a standard 230/115 V source supplies the power.

    Network structure

    The Qualiscan QMS is a modular system consisting of multiple measuring sensors and traversing frames acting as intelligent nodes on a network. The individual components are linked through a normal Ethernet cable as found in any office for networking multiple PCs. The network structure facilitates the integration of additional measurement sensors and scanners in the future.


    Accessories

    Little helpers
    Accessories and add-on devices for improving accuracy, quality and performance

    Measuring gap heater GCD for a defined measuring gap temperature
    Gap Conditioning Device

    Temperature control in the measuring gap


    Documents