Grinding machines

grinding diameter 605 mm︱grinding length 5000 mm︱centre height 315 mm︱peak cone 60 °︱grinding spindle slide adjustment 300 mm︱table - swivable 7 Grad︱table adjustment - longitudinal 5140 mm︱grinding wheel size 750 x 80 x 305 mm︱taper diameter 305 mm︱flange diameter 400 mm︱max. workpiece weight between centres 3000 kg︱grinding wheel drive 40 kW︱max. workpiece diameter 630 mm︱grinding wheel peripheral speeds: 35 m/s︱grinding wheel turining speeds 500 - 1100 U/min︱workpiece turning speeds 8 - 120 U/min︱table speeds 30 - 4500 mm/min︱total power requirement 58,5 kW︱weight of the machine ca. 18,5 t︱dimensions of the machine ca. - m︱

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The machine was geometrically overhauled in 2020 - 8 steady rests (30 - 200 mm) - Suction system - Coolant system with magnet/paper filter

rotary table diameter 1000 mm︱grinding height 500 mm︱grinding head - power requirement 15/5,5 kW︱total power requirement 30 kW︱weight of the machine ca. 18 t︱dimensions of the machine ca. m︱

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S I E L E M A N N (Germany) Hydraulic Rotary Table Internal and Face Grinding Machine with two grinding heads and with horizontal workpiece clamping Model RFsB 100 Year 1969 / fully reconditioned by the manufacturer in 1990 _______________________________________________________ Max workpiece Ø 1,000 mm Max. height of workpiece, approx. 400 mm Mounting height under grinding spindles approx. 500 mm Grindable Bore Ø, approx. 50 – 900 mm Max. Workpiece weight approx.. 900 kg Distance between Table bore and column 1.150 mm Table Ø / Face plate Ø, approx. 1,000 mm Table speeds, hydraulic, infinitely variable, right/left 5 – 60 rpm Table/workpiece infeed, 5 steps 0.0025 – 0.025 mm/stroke Table stroke approx. 500 mm Distance between grinding spindle and machine body 600 mm Surface Grinding Head Ø (Segmented wheel) 450 mm Grinding slides stroke, max. 500 mm Grinding slide speeds, infinitely variable 0.2 – 1 m/m Max. Internal Grinding spindle Ø 140/100 mm Grinding cup wheel Ø, up to approx. 200 mm Motor for Surface Grinding 15 kW / Motor for Internal Grinding Spindle 5,5 kW Total electrical load, approx. 30 kW - 380 V - 50 Hz Weight, approx. 18,000 kg Accessories / Special Features • The rotary table carries the workpiece and is also actuating the automatic grinding infeed • The relevant Grinding head can be swivelled in by turning the Column (hydraulic lift) so the workpieces can be ground in one setting with exact angles. • Built-on magnetic face plate, Ø approx. 1,000 mm, with 5 T-slots and stepless adjustment for the magnetism • Automatic workpiece infeed, with automatic depth stop. • Separate Height adjustment of internal grinding head, Grinding spindle Ø 100 mm. • Dressing devices mounted on each grinding head, Separate Switch Cabinet and hydraulic unit, • No Coolant Device available This machine is ideal for grinding bulky and heavy workpieces like housings, gears (!) bearing rings, cylindrical knives, etc. Condition: Good. Machine can be inspected soon under power Delivery : Ex stock as inspected. Payment : Net, after conclusion of contract.

rotary table diameter 800 mm︱grinding height 1200 mm︱grinding head - power requirement kW︱total power requirement 30 kW︱weight of the machine ca. 8500 kg︱dimensions of the machine ca. m︱

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