SHV200 - Quality Control System

Precise and simple.

 

The SHV200, produced by R&W, is a newly developed concrete height control system based on the proven SHV500, providing an economical entry-level machine for the precise measurement of concrete blocks.

The measuring system was designed for measuring concrete blocks with a maximum height of 190 mm and is therefore ideal for the production of paving stones.

One important measurable variable in the production of concrete products is height. The heightcontrol system SHV500 by R&W offers a contact-free measuring of the products by laser scan.

The device can be used with concrete block machines from any manufacturer. It can easily be inte-grated into the control system of the block machine, but can also be used as a stand-alone system.

 
 

Laser distance sensors

The SHV200 Height Control System from R&W enables non-contact measurement of products using laser distance sensors.

The measuring frequency of the laser is 2000 Hz and is therefore fast enough to measure products with conveying speeds of up to 0.5 m/s precisely. The measured values are evaluated using the SHV200 controller, which is located in the external switch box.

Like the HCS500 sensors, this controller can be easily networked with other controllers and display devices via Ethernet.

 
 
 
 

Precise Measurement

The SHV200 is located as closely as possible behind the block machine above the conveyor for the supporting boards. The concrete blocks passing underneath the unit are laser-scanned without contact by up to three lasers and are measured to an exactitude of + /- 0.5 mm. The measuring range of the block height ranges from 20 mm to 190 mm.

The height of the blocks is determined by measuring the relative height between the top surface of the boards and the top surface of the blocks. This measuring principle removes the uncertainty that can arise from varying heights and qualities of baseboards.

The heights of one row of concrete blocks are recorded by up to 2000 measurements per second. The SHV200 can therefore make precise measurements at board conveyor speeds of up to 0.5 m/s. Only the relevant features of the product surface are evaluated to determine the product height: obliques, burrs, indentations or rough surfaces therefore do not distort the measuring result with this special measuring process. A multilingual web visualization system is available to operate the SHV200 height control system.

The individual heights of the concrete blocks are calculated from the values measured by the laser sensors: a mean value for the entire row of blocks and a mean value for the entire layer of blocks. The quality of the concrete height is displayed in a web browser by the integral web visualization system.

 
 
 

Functions SHV-VISU

In addition to the web visualization, a Windows visualization is also available. The following additional functions are provided:

  • Intuitive operation
  • Archiving the measurement results
  • Graphical display of the archived measurement results
  • Tabular display of the archived measurement results
  • Early detection of irregularities during production through trend display
  • Filter functions simplify the selection of data
  • Statistical evaluation
  • Printing of tables and graphics
  • Exporting the data

The data can be accessed from any PC in the network.

 
 
 

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R&W Industrial Automation GmbH
Graf-Heinrich-Str. 20
57627 Hachenburg

Phone: +49 (0)2662 941434
Mail: info(at)r-u-w.de
Web: www.r-u-w.de