The Studer PSM 130 is a used grinding machine — sometimes referred to as a precision grinder — designed for the accurate material removal and finishing of workpieces to tight dimensional tolerances. Studer is a Swiss manufacturer with a long-standing reputation in the precision grinding sector, producing machines widely used in toolmaking, automotive, aerospace, and general engineering applications.
The machine's work envelope is defined by a table measuring 400 mm in length and 150 mm in width, with a maximum machinable length of 150 mm and a maximum machinable height of 78 mm. The grinding wheel diameter is 150 mm, mounted on a bore of 32 mm, and the grinding slide travel extends to 80 mm, giving the operator a controlled range of infeed movement during the grinding cycle.
The spindle operates across a speed range of 3,100 to 7,600 RPM, allowing the user to adjust surface speed to suit different workpiece materials and finishing requirements. The machine is electrically powered and configured for a three-phase supply at 380 V, 50 Hz. Total machine weight is approximately 800 kg, indicating a robust, rigidly constructed unit suited to stable, vibration-resistant operation — an important characteristic for achieving the close tolerances that precision grinding demands.
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