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1-STUDER S20-2 HYDRAULIC CYLINDRICAL GRINDER MACHINE SERIAL NUMBER 1330.78 DATE OF MFG. APPROX. 1990 STK# 102272 ================================================== SPECIFICATIONS SUBJECT TO VERIFICATION: S20 - Compact for small precision components The S20 is designed for the grinding of workpieces in individual as well as small and large series production operations. It is ideal in all sectors where small precision components are produced. It is very easy to operate and the machine can be reset within a very short time. GENERAL INFO AS TAKEN FROM SALES LITERATURE. Principle dimensions Distance between centres 400/650 mm (15.7”/25.6”) Centre height 100 mm (3.94”) Max. workpiece weight between centres 20 kg (44 lbs) Cross slide: X axis Rapid approach 30 mm (1.18”) Max. travel 25 mm (0.98”) [recess depth 1,9 mm (0.7”) / 5 mm (0.2”) (optional)] Speed 0,03 –1,5 mm/min (0.0012– 0.06 ipm) Feed travel with handwheel 25 mm (0.98”) Feed 1 0,03 –1,5 mm/min (0.001– 0.06 ipm) Diameter plunge feed incremental 0 – 0,16 mm (0 – 0.006”) Feed 2 (optional) 0,02 – 0,3 mm (0.0008 – 0.01”) Spark-out time 0 – 5 s Touching speed (optional) 0,06 – 30 mm/min (0.002 –1.18 ipm) Longitudinal slide: Z axis Max. travel 420/650 mm (16.5”/25.6”) Speed 100 – 3500 mm/min (3.94–138 ipm) Reverse precision 0,002 mm (0.000,08”) Smallest automatic travel aprox. 1 mm (0.04”) Reverse delay 0 – 5 s Machine table swivelling range 30/15 deg Wheelhead Swivel range 0/15/30 deg Fitting taper dia. 44 mm (1.73”) 1: 5,715 Drive power 3 kW (4 hp) Grinding wheel right, dia. x width x bore 350 x 32 (50F5) x 127 mm [13.78” x 1.26” (2F5) x 5”] Circumferential speed 30 m/s (5905 sfpm) Speeds 1600/1975/2200 rpm Internal grinding attachment for belt-driven spindles (optional) Adaption bore 80 mm (3.15”) Speeds 20 000/40 000/60 000 rpm EQUIPPED WITH: INTERNAL SPINDLE ATTACHMENT MISC TOOLING AND ATTACHMENTS WWW.RABIND.COM 586-752-0090