Bernardo Surface Grinder BSG 60120 PLC

Bernardo BSG 60120 PLC Surface Grinder with 2-axis DRO

The Bernardo BSG 60120 PLC surface grinder with ES-12 H 2-axis digital readout is designed for high-precision industrial grinding of large workpieces. The 600 x 1200 mm table with hardened and ground guideways, combined with Durcit-B coated counter-guideways, ensures rigidity, stability, and smooth movement. Longitudinal and traverse movements are achieved via a combined V-flat guideway, while the advanced hydraulic system guarantees smooth translations even under loads up to 970 kg. The Siemens PLC control with touchscreen allows programming of automated grinding cycles: roughing, finishing, and return to the home position. With a 350 mm grinding wheel, a 7.5 kW motor, and a massive reinforced structure, the BSG 60120 PLC offers high performance, reliability, and constant precision, making it the ideal solution for workshops and companies with advanced production needs.

---

Key Features:
600 x 1200 mm table with hardened and ground guideways
Durcit-B counter-guideways for rigidity and low wear
Siemens PLC control with touchscreen for automated cycles
Smooth feeds thanks to high-performance hydraulic system
600 x 1200 mm magnetic chuck, capacity up to 970 kg
Ø 350 mm grinding wheel with preloaded bearing spindle
Powerful 7.5 kW motor and 5.5 kW hydraulic pump
Massive cast iron structure with thick reinforcements and annealed base

---

Technical specifications

Specification	Value
Brand	Bernardo
Model	BSG 60120 PLC
Work table	600 x 1200 mm
T-slots (No. / width)	3 / 18 mm
Magnetic chuck	600 x 1200 mm
Max. longitudinal travel	1520 mm
Max. cross travel	660 mm
Max. grinding wheel / table distance	600 mm
Max. workpiece weight	970 kg
Grinding wheel size	350 x 50 x 127 mm
Hydraulic table speed	5 – 25 m/min
Automatic cross feed	0.5 – 30 mm/stroke
Rapid cross feed	50 – 600 mm/min
Automatic vertical feed	0.005 – 0.04 mm
Rapid vertical feed	0 – 300 mm/min
Spindle motor	7.5 kW
Spindle speed	1440 rpm
Hydraulic pump motor	5.5 kW
Total power consumption	18 kW
Machine dimensions (L x W x H)	4800 x 2750 x 2420 mm
Weight	6500 kg

---

Standard equipment

ES-12 H 2-axis digital display
Siemens SMART panel with touchscreen
Electronic handwheel
Grinding wheel and flange
LED work lamp
600 x 1200 mm magnetic chuck
Balancing stand and balancing arbor
Protective covers
Parallel dresser
Demagnetizing device
Cooling system
Diamond dresser
Machine feet
Central lubrication
Hydraulic oil cooler
Service tools

Logistics

Bernardo shipping: 5–9 business days (7 days to the South). Original spare parts available with 3–5 business days shipping. Customer support available in Italian.

Frequently Asked Questions

What grinding precision can be achieved with the Bernardo BSG 6 surface grinder?

Bernardo surface grinders achieve dimensional tolerances of IT5–IT6 and roughness Ra 0.4–0.8 µm under optimal conditions. Actual precision depends on the condition of the grinding wheel (periodic dressing), workpiece material, coolant, and operator experience.

What does the "PLC" suffix mean in the Bernardo BSG 6 surface grinder model?

The PLC suffix indicates that the grinder is equipped with a programmable PLC control – it allows setting automatic grinding cycles (number of passes, depth per pass, feed) without manual intervention during the cycle. Compared to the manual version, it reduces cycle times and produces more repeatable results for identical part series.

Which grinding wheel should be used for steel vs cast iron vs aluminum?

Steel: Corundum (Al₂O₃) grinding wheel A46K–A60K. Cast iron: Silicon carbide (SiC) grinding wheel C46K–C60K. Aluminum: Silicon carbide grinding wheel C46J–C60J with ample lubrication. Do not mix different materials on the same grinding wheel – metallic residues contaminate the ground surface.

Does the Bernardo BSG 6 surface grinder require integrated coolant?

BSG and FSM surface grinders are equipped with an integrated cooling system – essential for precision grinding of hardened steel to avoid surface burns that alter the material's structure. Always use the appropriate type of coolant for the material being processed.

Are spare parts and grinding wheels available?

Original spare parts available with 3–5 business days shipping. Customer support available in Italian.