What the numbers establish
They establish recorded asking-price evidence for machines identified as Studer S120. They do not establish a completed sale, operating condition, ownership, availability, included tooling, currency, warranty or final negotiated amount.
How to narrow the value
Confirm the data plate, exact suffix, model year, control, spindle and axis configuration, hours, options, maintenance history, geometry, operating proof and all removal obligations.
Retained model specifications
Main dimensions Centre height 125 mm (4.9") Swing 130 mm (5.1") Transverse axis (X) Max. travel 300 mm (11.8") Max. speed 20000 mm/min (787 ipm) Resolution 0,0001 mm (0.000,004") Distance between guideways 280 mm (10.9") Longitudinal axis (Z) Max. travel 180 mm (7.1") Max. speed 15000 mm/min (590 ipm) Resolution 0,0001 mm (0.000,004") Guideways rollerbearing/hydrostatic (Option) Grinding spindle holder Spindle assembly parallel Max. number of spindles 2 Spindle pick-up dia. 100 mm(3.9") /dia. 120 mm (4.7") Spindle speeds – internal grinding up to 120000 rpm Spindle speeds – external grinding 7000 rpm Workhead Speed range 1–1500 rpm Fitting taper MT 4/dia. 70 mm (2.75") Spindle feedthrough dia. 26 mm (1") Drive power 2,8 kW (3.8 hp) Load during live grinding 100 Nm (74 ft lbs) Roundness accuracy 0,0004/0,0002 mm (0.000,016"/0.000,008") C axis standard, indirect measuring system 0,0001 deg B axis (Option) Swivel range automatic -5 deg to +30 deg Resolution 0,0001 deg Dressing Fixed dresser MT 1 shortend Rotating dressing spindle dia. 50/72 mm (1.97"/2.84") Control unit Fanuc 16i-TB Connected loads Total connected load 43 kVA Air pressure 5.5 bar (80 psi) Total weight 5100 kg (11220 lbs)