M I K R O M A T Universal Thread- and Worm-Grinding Machine Model GSU 320/1 PC Year 2011 reconditioned # 2319.01.27 ____________________________________________________ Max. / Min. Grinding Ø 3 – 320 mm Max. Grinding length (Grinding wheel width 50 / 8 mm) 520 / 570 mm Center distance 1.000 mm Max. weight workpiece 160 kg Workpiece spindle bore 40 mm Lead range min./max. 0,25 - 315 mm Max. lead angel + / - 40 ° Max. Profile size 20 Modul Automatic radial indexing device 2/3/4/5/6/8/10/12/ 15/20/24/30/40/60 Relieve grinding amount 0 - 6 mm Plunge grinding depth 0 - 6 mm Workpiece-rotation speeds 0,125 - 100 rpm Quickfeed return 2 m/min Grinding wheel-Æ x width x bore 500 x 60 x 203 mm Max. Grinding wheel speed 1.595 rpm Grinding wheel speeds when crushing/dressing 12 - 32 rpm Spindle drive power ca. 6,5 kW Total power 17 kW - 380 V - 50 Hz Weight 9.500 / 12.000 kg Accessories / Special Features • The machine was bought in 2011 as a totally reconditioned and electronically modernized (new) machine, directly at the manufacturer MIKROMAT • Universal machine for automatic grinding of single or multi start worms as well as threads with straight or profiled flanks using single rib or multi rib grinding wheels. • Grinding methods include longitudinal grinding, relieve grinding, plunge in grinding, groove grinding, conical thread grinding and can be actuated by a simple to use teach-in SCHLEICHER PLC control PROMODUL U.The feeds and dressing compensation is also actuated automatically. The relieve grinding and conical grinding is done by using a cam. The lead is effected by change gears. • Manual dressing device for profiling of single rib grinding wheels. • Mounted on the machine is a crushing device for profiling multi and single rib grinding wheels • 1 Piece open steady, 1 piece 3 Point closed steady • Workpiece driver on the workpiece spindle with various centers and workpiece arbours. • Manual Radial indexing device to be mounted on the workpiece spindle • Large amount of change gears for all regular leads. Various further accessories, spare parts and manuals • Sophisticated KNOLL coolant bandfilter unit HL650/1500 inculuding a HYFRA chilling unit.