Universal Circular Grinding Machine

Fritz Studer AG RHU 500

Condition: refurbished (used), Year of construction: 2025, operating hours: 36 h, functionality: fully functional, machine/vehicle number: 1024-54, Country of Manufacture: Switzerland Voltage: 380/50/3 Net weight: approx. 1600 kg Customs tariff: 8460.2920 Dimensions: 235 x 155 x 145 cm TECHNICAL FEATURES: MAIN DIMENSIONS: Centre height: 100 mm Distance between centres: 400 mm LONGITUDINAL SLIDE: Djdpfxsw T Sc No Ah Sokg Max travel: 420 mm Minimum automatic travel: 1 mm Table feed speed: 100–3500 mm/min Overtravel delay: 0–5 sec. Maximum table swivel (400/650 mm): 30°/15° CROSS SLIDE: Max travel: 170 mm Rapid traverse: 30 mm Plunge depth (diameter): 1.9 mm Feed rate 1: 0.03–1.5 mm/min Feed rate 2: 0.02–0.3 mm/min Plunge feed per impulse: 0.0005–0.025 mm WHEELHEAD: Grinding wheel (diameter x width x bore): 350 x 32 x 127 mm Drive power: 3 kW Peripheral speed: 30 m/s Spindle speeds: 1600/1975/2200 rpm Manual stroke: 120 mm Swivel to right: 15°/30° Optional wheel guard for wheel set max width: 50 mm WORKHEAD: Swivel range: 0°–90° Spindle speeds: 80/175/380/800 rpm Internal taper: Morse 4 Collet type: W-20 Drive power: 0.5 kW Maximum workpiece weight: 20 kg Load for in-the-air grinding: 12 Nm Optional stepless drive speed range I: 30–300 rpm Optional stepless drive speed range II: 120–1200 rpm TAILSTOCK: Internal taper: Morse 2 Quill travel: 20 mm GUARANTEED WORKING ACCURACY: Generator straightness: Between centres: 400 mm Measured over 400 mm: 0.002 mm Between centres: 650 mm Measured over 650 mm: 0.003 mm Roundness accuracy for in-the-air grinding: 0.0004 mm CONNECTION VALUES: Power consumption: max. 8 kVA Permissible voltage variation: –15% / +10% Permissible frequency variation: ±3% Compressed air: 5 bar All technical specifications are given without obligation and subject to errors or omissions.

Condition: refurbished (used), Year of construction: 2025, functionality: fully functional, machine/vehicle number: 1315/451, Completely overhauled: Mechanics, geometry, hydraulics, and electrical parts (checked and/or replaced) Wheelhead: Disassembled, parts cleaned, worn or defective components replaced, motor overhauled, bearings replaced, belts replaced, spindle disassembled, seals and O-rings replaced, adjustments made. Newly painted. Workhead: Disassembled, parts cleaned, worn or defective components replaced, motor overhauled, belts replaced. New spindle bearings. Newly painted. Tailstock: Disassembled, inspected, overhauled. Hydraulics: Disassembled, motor checked, hoses replaced, defective and worn parts replaced. Hydraulic block checked. X-axis: Dkedpfx Aow U Ry Njh Sog Disassembled, all worn parts such as O-rings, seals, segments, etc. replaced, hydraulic piston overhauled, table ground. Z-axis: Disassembled, table ground, worn or defective parts replaced, hydraulic piston overhauled, newly painted. Electrical cabinet: Completely checked, various relays replaced. Paintwork: Colors: White RAL 9003 and Grey RAL 7011 Geometry according to manufacturer's protocol. Various accessories checked and cleaned. Origin: CH Voltage: 380 / 50 / 3 Net weight: approx. 2,200 kg Customs tariff number: 8460.2920 TECHNICAL SPECIFICATIONS Nominal distance between centers: 600 mm Max. distance between centers (with extended headstock): 750 mm Center height, standard: 125 mm Center height with interchangeable pads for heads: 175–250 mm Max. workpiece diameter (125 mm center height): 250 mm Max. workpiece diameter with interchangeable pads: 350–500 mm Swiveling range of table in each direction: 10° Max. grinding length for flat surfaces (max. width = 200 mm): 900 mm Continuously variable hydraulic table speed: up to approx. 6 m/min Table reversal delay: 0–5 sec Grinding wheel for external grinding, diameter - width - bore: 400x50x127 mm Grinding wheel for flat surface grinding: 250x13x76 mm Wheelhead spindle speed: 1,500/1,700/2,200/3,600 rpm Wheelhead swiveling range: 270°, with indexing every 90° Vertical travel of wheelhead, center height: 125–350 mm Transverse travel of wheelhead: 285 mm Hydraulic rapid traverse stroke: 40 mm Intermittent infeed of wheel by table reversal: 0.001–0.03 mm/dia Continuous infeed for plunge grinding: 0–0.9 mm/dia Micrometric infeed stop, by division: 0.001 mm/dia Workhead swiveling range: 360° Workhead spindle speed, stepless: normal/special: 20–400 / 10–400 rpm Internal taper of workhead/tailstock: Morse 5/3 Wheelhead motor: approx. 4 HP All technical specifications are given without obligation and subject to errors or omissions.

Condition: excellent (used), Year of construction: 1978, Machine can be inspected under power Djdpfx Aswz Emljh Sekg

Condition: used, functionality: fully functional, Kellenberger cylindrical grinding machine in very good condition. Available at a favorable price. Price significantly reduced !!!!! Dkodpfx Ahew Dy Rqs Ssg