LTM-MAXI

The LTM-MAXI Thickness Gauging System has been specially developed for high-speed coil-strip material in strip processing lines, the system is used to check the material thickness before and after the processing in order to provide process control default values. Due to the high sampling frequency, the LTM-MAXI system is also used in the flexible roll forming of „Tailored Rolled Blanks“ material, roll profiling, punching and in tube manufacturing. The LTM-MAXI high-performance measuring system enables non-contact strip thickness measurement using two triangulation laser sensors. The combination of a linear axis with stepper motor enables the recording of both a static and a dynamic measurement. A measuring range from 300 mm to 1000 mm can  be realized.

The following measurement modes can be realized:

  • Line measurement
  • Micro-traversing
  • Macro-traversing
  • Macro-traversing with track measurement


  Datasheet LTM-MAXI

During the development of the mechanical components, great emphasis was placed on a very high bending and vibration stiffness with a high resistance to temperature fluctuations and is subsequently guaranteed. The connection to the customer‘s control concept is made either via a Profibus or Profinet. On a separate data interface, all relevant measurement data, e.g. is in CSV format.

The integrated calibration unit inclusive the associated measuring standard and the temperature sensor enable the fully automatic adjustment of the system and thus the respective adaptation to changing environmental conditions. The tool used to determine the measuring capability, which is implemented within the LTM-S operating software, enables continuous monitoring of the thickness gauge to ensure that the required conditions are met.

Operating software (internal client) LTM-S enables a simple, self - explanatory and reliable operation of the measuring system. Graphical evaluation tools allow the user a quick visual assessment of the corresponding measurement results.

Applications

The LTM-MAXI Thickness Gauging System has been specially developed for high-speed coil-strip material in strip processing lines, the system is used to check the material thickness before and after the processing in order to provide process control default values. Due to the high sampling frequency, the LTM-MAXI system is also used e.g. in the flexible roll forming of „Tailored Rolled Blanks“ material, roll profiling, punching and in tube manufacturing.

Features

  • High-performance measuring system enables non-contact strip thickness measurement.
  • Static and a dynamic thickness gauging with a measurement range up to 1000mm
  • Possible measurement modes:
    - Line measurement
    - Micro-traversing
    - Macro-travering
    - Macro-traversing with track measurement
  • Operating software LTM-S.
  • All necessary hose and cable units for supplying the measuring system.
  • Optional an encoder for providing the material path information
  • Selectable interfaces:
    - Profibus
    - Profinet

Technical Data

Materials:All metals, non-transparent
Measuring method:Static and dynamic measurement
Measuring range:
0.05mm ... 8mm
Resolution:0.1µm
Accuracy:+/- 1.0µm
Traversing area:300mm / 450mm / 600mm / 800mm / 1000mm
Integrated guiding:No, required by the ambient installation
Autom. inline calibration:Yes

Variants

LTM-CONTROL-C1-PY(1)Rittal compact control cabinet 800mm x 600mm x 350mm with all necessary electrical hardware components to realize the measurement task.
  • Beckhoff Industrial PC CX5140 with operating system and I/O module mounted on TwinCat, Profinet or Profibus interface, license clamp etc.
  • Measurement controller / Laser control unit for two laser separation distance sensors.
  • Integrated interface for control from the customer‘s side, Profibus or Profinet.
  • Server and client software LTM-S with recipe database, measurement mode selection,profile and trend display, user administration, etc.
  • With all the necessary electrical connections for the C-Frames, reference and limit switches etc. on the terminal strip.
  • Separate accessories, such as pressure switch for air purge.
(1) Interface for customer control: Y = N - Profinet, Y = R - Profibus


LTM-MAXI-XXXX(2)-20
Measuring C-frame with linear axis, a maximum possible measuring range of XXXX(2) mm, stepper motor, two separation distance sensors (triangulation lasers), calibration unit and all other necessary units to enable the measuring task (except control and operation). The measuring yoke consists of the following components:
  • Anti-vibration and rigid C-frame made from solid steel welded construction.
  • Linear axis with guide and ball screw, as well as a stepper motor with encoder to ensure the traverse movement of the C-frame.
  • 2 separation distance sensors (triangulation lasers) with a measuring range of 20mm (± 10mm).
  • Temperature sensors, end and reference switches.
  • Integrated calibration unit with quick change adapter for the supplied measuring standard
  • Laser air purge unit
(2) Maximum measuring depth XXXX = 300mm / 450mm / 600mm / 800mm / 1000mm
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