GNR LP 200 Automatic Grinder Machine

LP 200 Automatic Grinder an electric grinder, with automatic sampling loading and unloading, prepares metal testing samples correctly and safely. The LP 200 Automatic Grinder allows the operator to program the entire cycle depending on the type of material to be analyzed.

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LP 200 Automatic electric grinder, equipped with dust aspiration system, is the automatic instrument for the preparation of metallographic samples manufactured by GNR.

A manual cycle operation is available to perform occasional preparation of samples whose irregular shapes would be unsuitable for automatic mode. LP 200 Automatic, with automatic sampling loading and unloading, allows the operator to program the entire cycle depending on the type of material to be analyzed. It is possible to select the belt speed, the number of cleaning, and the degree of pressure on the specimen. The most common materials are Fe, Al, Cu, Co and others.

Preparation of specimens for metal testing analysis is of utmost importance and must be done in a correct manner, quickly and most of all with maximum security for the operator. The testing specimens must be homogeneous and representative, must have a flat and grinded surface in order to minimize the factors that may affect the results especially for the trace elements.

The LP Automatic Grinder represents the ideal solution not only for those who have a large number of specimens but also for operator’s safety that can carry out the operation with totally free hands without contact with the working area.

Technical Data


  • Power Supply: 380 /400 Vac, 3f + T, 50/60 Hz
  • Max Power: 4.3 Kw
  • Air Pressure Inlet: 4.0 bar
  • Minimum working pressure: 1.8 bar
  • Dimensions: cm 125x63x136
  • Weight: 252 Kg
  • Abrasive belt: cm 20×175 cm Red Ceramic
  • Maximum sample size in automatic: 12


Periodic maintenance (PM) and calibration are essential tasks that you need to do on a regular basis to ensure that your equipment continues to function as intended.

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