m&h Laser Tool Setter LTS35.65

m&h LTS35.65 - the standard Laser Tool Setter


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The standard laser tool setter for non-contact tool measurement, for reliable and quick machine setup, tool wear and tool breakage control. A low cost system for the majority of measuring tasks on tools from Ø 0.030 mm, with significant advantages compared to previous common standard instruments. Compared to the conventional systems, the electrical connection is significantly simpler.

An air curtain connection from the on-board pneumatics is all that is required in the majority of cases. Only two spare M functions are required in the control, an aspect that simplifies the electrical installation and keeps down the machine-related costs and effort.

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


  • TCS technology (True Cutting Scan) - for the highest precision
  • Smallest tool diameter 30 µm
  • Tool cleaning using Laval nozzle with supersonic pressure
  • Features & benefits
    • Focal point 50 μm
    • Smallest tool diameter 30 μm
    • Fast tool breakage control under almost all conditions



    • 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


    • 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


    • 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

    • Measurement of the effective length and diameter with nominal speed
    • Length compensation of dynamic changes in tool position
    • Correction of tool length in case of thermal change and thermal drift on the spindle or machine axes
    • Diameter compensation for dynamic changes in the rotational diameter of a tool
    • Detection of tool wear and radius compensation
    • Monitoring of runout, tool change and clamping errors
    • Tool breakage control
    • Individual cutting edge breakage control
  • Technical data
     Repeatability  0.1 μm (2 σ)*
     Power supply  24 VDC / max. 500 mA
     Laser  Centrally focused / 639 nm / 1 mW
     Laser safety class   2 (IEC825)
     Temperature range  Operation: 10 °C - 50 °C
     Storage: 5° - 70° C
     Material  Stainless steel
     Protection class  IP68: EN60529 (connected, air-curtain on)
     Material  Stainless steel
     Service life  >1 million ON/OFF cycles tested
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  • Applications
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