The TOS SN50 is a high-precision universal cylindrical grinder designed for external and internal grinding of shafts, sleeves, and precision components. Manufactured by TOS Hostivař, this model delivers exceptional accuracy and rigidity for toolroom and production environments. With a swing over bed of approximately 10″ (250 mm) and 20″ (500 mm) between centers, the SN50 provides reliable performance for small to medium workpieces requiring fine tolerances and superior surface finish.
The machine features a robust cast-iron base, hydrodynamic spindle bearings, and precision-ground slideways for smooth, stable operation. Both workhead and wheelhead are designed for maximum rigidity, ensuring excellent repeatability under continuous operation. Optional internal grinding attachments extend its versatility for bores and shoulders, making it suitable for a wide range of components in automotive, aerospace, and tool manufacturing applications.
Features & Options
Precision universal cylindrical grinder for internal and external operations
Hydrodynamic spindle bearings for long life and accuracy
Heavy cast-iron base minimizes vibration
Workhead can swivel for angular and tapered grinding
Optional internal grinding attachment
Automatic table feed and fine crossfeed adjustment
Ideal for shafts, bushings, tools, and cylindrical components
Specifications are typical for the TOS SN50 universal cylindrical grinder. Verify actual configuration and capacity with the machine’s nameplate or factory documentation.
Manufacturer: TOS Hostivař
Model: SN50
Machine Type: Universal Cylindrical Grinder
Swing Over Bed: 10″
Center Height: 5″
Distance Between Centers: 20″
Maximum Workpiece Weight: 220 lb
Grinding Wheel Size: 14″ × 2″ × 5″
Wheel Peripheral Speed: Up to 6,000 ft/min (30 m/s)
Workhead Spindle Speed: 40–400 rpm variable
Table Swivel: ±6°
Feed: Manual and automatic
Machine Weight: ~4,000 lb
Final Listing Price: Request Quote
