m&h Laser Tool Setter LTS35.65-23

m&h LTS35.65-23 - the compact Laser Tool Setter


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The laser tool setter Compact is designed for usage in machines with a limited amount of space for the measurement of particularly small tools.

With a length of 123 mm and a height of only 66 mm, there is space for the system even in a small machine. The cable outlet is also only downward to prevent the need for more space for cables and the pneumatic supply.

  • Determination of tool length
  • Measurement of tool radius
  • Detection of broken tools


  • TCS technology (True Cutting Scan) - for the highest precision
  • Tool cleaning using Laval nozzle with supersonic pressure
  • Optimal protection of the optics by means of pneumatic shutter unit
  • Features & benefits
    Compact laser optics
    • Compact laser measuring device - the smallest in its class
    • Smallest tool diameter 25 μm
    • Accuracy +-0.2 μm

    Tcs - true cutting scan for the highest precision


    • Scans the really longest cutting circle
    • Searches the longest cutting circle diameter
    • Uses this to the exact length measurement
    • Correct tool length measurement


    • Determines the real tool length
    • High precision length measurement
    • High-end functionality - exclusively from m&h

    Tool cleaning using laval nozzle

    • Laval nozzle with supersonic pressure
    • Tool cleaning in measuring position
    • Tool cleaning with nominal rotation speed for optimum cleaning results
    • Minimal cleaning distance
    • Sealing cap prevents penetration of foreign objects and liquid

    Pneumatic shutter unit

    • Complete closing shutter unit
    • Cleaning by air blast without additional air pressure consumption
    • Air curtain during the measuring process prevents soiling of the optic
    • Reliable closing after measuring process
  • Related Information
    Precision and process reliability
    • Precision measurements of the tool cutting edges at nominal speed
    • Special supersonic cleaning jet prevents incorrect measurements due to adhering material particles
    • Software algorithms eliminate the effects of coolant drops
    • No interference from ambient light

    Sturdy design

    • Laser optics protected using shutter unit
    • Air curtain prevents dirt particles entering the device
    • Measurement system sealed according to IP68 standard

    Operation suitable for the workshop

    • Simple mounting and setup without special pneumatic unit
    • Simple orientation and mechanical definition of the focal point
    • Simple and reliable calibration and setup of the laser unit

    Applications and measuring routines

    Tool measurement

    • Fast and precise measurement of tool length and tool radius
    • Tool scan for optimal measurement results
    • Tools are measured in the actual clamping system at nominal speed
    • Compensation of the tool diameter for dynamic changes in the rotational diameter of the tool

    Compensation of machine effects

    • Correction of tool length in case of thermal change and thermal drift on the spindle or the machine axes
    • Correction or monitoring of runout, tool change and clamping errors

    Tool breakage and single cutting edge control

    • Fast tool breakage detection
    • Single cutting edge control for breakage or tool wear

    Mould tools

    • Measurement of tool length and tool radius
    • Shape control and monitoring of the tool wear
  • Technical data

    Min. tool Ø

    0,025 mm

     Max. tool Ø  20mm
     Repeatability  0.1 μm (2 σ)*
     Power supply  4 VDC / max. 100 mA
     Laser  Centrally focused / 650 nm / <1 mW
     Laser safety class  2 (IEC825)
     Temperature range  Operation: 10° - 50°C
     Storage: 5° - 70°C
     Material  Aluminium, hard coated
     Protection class  IP68: EN60529 (connected, air-curtain on)
     Service life  >1 million ON/OFF cycles tested
    * Depending on the application and installation situation
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