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Diameter control for bar and tubes.
On-line simply efficient!

BARLINE Laser Measuring Systems are particularly suitable for the diameter control of ground bars or drawn metallic tubes. Thanks to a perfect balance between straightforward operation, reliability and advanced performance, BARLINE Systems represent today’s ideal solution for process automation and quality control.

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  • barline X80 nova 00
  • barline x40 nova 00
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Our Performance

BARLINE is a Laser System which has been specially designed for on-line gauging of the diameter of products manufactured in cut lengths, such as:

  • steel ground bars,
  • steel drawn tubes,
  • copper tubing ..


  • It measures the diameter and the ovality from 0.1 to 149 mm, using single or dual axis (XY) laser gauges, depending on the diameter range and the type of product.
  • It records and prints the maximum, minimum and average values read along the bar and, following the pre-set tolerance limits, it triggers suitable sorting signals at the end of each bar.
  • It performs automatic grinder regulation keeping the product within the tolerance limits throughout production.
  • Detailed statistical reports are processed and printed for each bundle of bars.
  • It can be easily interfaced with a Computer to download measured data or to allow remote system programming.



Barline in action

A short digital movie from Aeroel Youtube channel, introducing the on-line operation of the Barline System in Laser diameter control for bar grinding process.

mov mOthers Barline Videos
are available in our  video gallery





Available Single Axis Systems

  • 240 barline x40BARLINE.X40

    Measuring Field: 40 mm
    Measurable Diameters: from 0.15 to 38 mm
    Ripetibilità: ± 0.6 µm 
  • 240 barline x80BARLINE.X80

    Measuring Field: 80 mm
    Measurable Diameters: from 0.75 to 78 mm
    Ripetibilità: ± 1µm 
  • 240 barline x150BARLINE.X150

    Measuring Field: 150 mm
    Measurable Diameters: from 0.8 to 149 mm
    Repeatability:  ± 1.5 µm 

For additional details: BARLINE.X System datasheet
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For further informations or quotations, fill our
Information Request Form

Available Dual Axis Systems

  • 240 barline xy13BARLINE.XY13

    Measuring Field: 13 x 13 mm
    Measurable Diameters: from 0.1 to 10 mm
    Repeatability: ± 0.3 µm 
  • 240 barline xy35BARLINE.XY35

    Measuring Field: 35 x 35 mm
    Measurable Diameters: from 0.2 to 32 mm
    Repeatability: ± 0.6 µm 

For additional details: BARLINE.XY System datasheet
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For further informations or quotations, fill our
Information Request Form

Your benefits

  • Total inspection: through feed continuous measurement allows the system to detect and sort out-of-tolerance products, avoiding any risk of rejects or later complaints.
  • Reduction of scrap: thanks to the on-line gauging, the automatic grinder regulation prevents machining any out-of-tolerance product.
  • Labour savings: the reliable and effective automatic control means the task of the operator is made lighter.
  • Quality Certification: the 100% inspection makes random sample checks redundant and allows the printing of detailed reports to prove product quality.

Why Aeroel

  • Insensitive to product vibration and movement: the non-contact laser operating principle enables through-feed inspection, without having to stop or slow-down the product.
  • The oil doesn’t affect the gauging accuracy: thanks to the compact size of the gauges and to some specially developed accessories, in most cases it is possible to install the sensor just after the grinding wheels and before the oiling device, in such a position where the bar can be easily cleaned by blowing away the emulsion.
  • Very effective even on oval products: the XY gauge makes it possible to achieve optimum inspection on non-spinning products.
  • High precision: a patented self-calibration device guarantees permanent gauge accuracy with no re-mastering required.
  • Straightforward operation: guided menus ensure maximum ease of usage, even for untrained staff. In addition, thanks to factory pre-programming, BARLINE is immediately operative in its most basic functions.
  • Competitive price: the favourable cost/benefits ratio ensures a short pay back time.
  • 3 years guarantee: the high standards of components and the solid state laser source warrant long operational life.
  • Know-how and service: Aeroel provides qualified and efficient technical service, thanks to their experience in applying laser technology in Mechanical Industry.
  • Made in Europe: BARLINE complies with the high quality and safety standards set by the European Union.


Logo UeLogo MinisteroFriuli venezia GiluliaFonfo SviluppoProgetto cofinanziato con il Fondo Europeo di Sviluppo Regionale del Programma Operativo Regionale del Friuli Venezia Giulia Obiettivo "Competitività Regionale e Occupazione" programmazione 2007/2013