Cylindrical grinding machine

JOTES A440 x 1500

Condition: excellent (used), Year of construction: 2003, Universal cylindrical grinding machine with internal grinding attachment Year of manufacture: 1991, geometrically overhauled in 2003 Technical data: Table: Centre height: 180 mm Max. grinding diameter: 360 mm Between centers: 1500 mm Max. automatic table travel: 1580 mm Hydr. table speed: 0 – 3000 mm/min Max. table swiveling range: ± 5° Workpiece headstock: Bsdpfxjxama Us Abbelr Workpiece spindle speeds: 30 – 300 rpm Workpiece spindle taper: MT 5 Tailstock taper: MT 4 Max. swiveling range: 90° Grinding spindle head: Spindle speeds: 1450 – 1600 rpm Grinding wheel diameter/bore: 450 x 127 mm Min. / max. grinding wheel width: 20 - 50 mm Max. swiveling range: 90° Min. automatic grinding head infeed: 0.005 mm Internal grinding attachment: Spindle speed: 17,000 rpm Spindle diameter: 60 mm Min. / max. grinding diameter: 18 - 100 mm Max. grinding depth at large diameter: 130 mm Motor power: Grinding spindle head: 5.5 HP Internal grinding attachment: 1 HP Dimensions and weight: Machine dimensions L x W x H: 4200 x 1400 x 1500 mm Machine weight: 3300 kg Accessories / Special features: • Manual or automatic operation • Internal grinding attachment • 3-jaw chuck • 1 fixed steady rest • Wheel dresser • 2 additional grinding wheel flanges • Balancing arbor • Wet grinding attachment The hydraulic table cylinder has just been newly sealed. Siegfried Volz Werkzeugmaschinen Rüschebrinkstr. 151-153 DE - 44143 Dortmund - Wambel

Condition: used, Year of construction: 2017, grinding length 1500 mm centre height 180 mm weight of the machine ca. 3,9 t Bjdpfx Abjwm Rqgebelr dimensions of the machine ca. L: 4900 x 1650x 1800 m

Condition: refurbished (used), Year of construction: 2025, functionality: fully functional, machine/vehicle number: 1845/455, Completely refurbished: Mechanics, geometry, hydraulics, and electrical components Wheelhead Disassembly, cleaning of parts, replacement of worn and defective components, motor overhaul, replacement of bearings, replacement of belts, spindle disassembly, replacement of seals and O-rings, plus adjustment. New paintwork. Workhead Disassembly, cleaning of parts, replacement of worn and defective components, motor replacement, replacement of belts. New spindle bearings. New paintwork. Tailstock Disassembly, cleaning of parts, replacement of worn and defective components, motor replacement, replacement of belts. New spindle bearings. New paintwork. Internal grinding attachment Disassembly, cleaning of parts, replacement of worn and defective components, installation of the support and geometry alignment. New paintwork. Hydraulics Disassembly, motor replacement, hose replacement, defective and worn parts replaced. Hydraulic block checked. X-Axis Disassembly, replacement of worn items such as O-rings, seals, rings, etc., overhaul of hydraulic piston, regrinding of tables. Z-Axis Disassembly, regrinding of tables, replacement of worn and defective parts, overhaul of hydraulic piston, scraping of V and flat guides. New paintwork. Measuring system Digital 2-axis display included. Electrical cabinet Replacement of motor contactors and relay controls. New wiring. New variable speed drive (frequency inverter) for the workhead. TECHNICAL SPECIFICATIONS Distance between centers: 1500 mm Distance between centers (workhead to tailstock overhang): 1650 mm Center height, standard: 125 mm Center height with riser blocks: 225/250 mm Maximum grinding diameter: Ø 250 mm Maximum grinding diameter with riser blocks: 450/500 mm Table Usable surface: 2060 x 140 mm Max. length and width for surface grinding: 1750 x 200 mm Longitudinal travel, manual or hydraulic: 1750 mm Manual table movement, 1 handwheel revolution – coarse: 20.006 mm Manual table movement, 1 handwheel revolution – fine: 2.457 mm Table speed, continuously via hydraulics: up to 6 m/min Table swivelling: 6° Stop and return: 0–5 sec. Workspindle Workpiece speeds, continuously variable (electric): 20–400 rpm Swivelling: 360° Workspindle taper (internal): MT5 Tailstock Internal taper, tailstock spindle: MT3 Spindle retraction, manual or hydraulic: 30 mm Diamond dresser taper (internal): MT0 Universal grinding head Cross slide travel for wheel: 285 mm Rapid traverse for wheel slide, front and rear: 40 mm Grinding spindle speeds: 1500 – 1700 – 2200 – 3600 rpm Vertical grinding spindle movement, center heights: 125–330 mm Max. wheel for cylindrical grinding: 400 x 50 x 127 mm Max. wheel for surface grinding: 250 x 20 x 76 mm Head swivelling with locking at every 90°: 270° Bedpfoxt Ilfex Abbolr Wheel feed 1 division of the micrometer drum: 0.005 mm/Ø Automatic wheel feed, max.: 0.9 mm/Ø Motors Grinding spindle motor: 2,900 rpm / 4.0 hp Workspindle motor: 3,000 rpm / 2.0 hp Coolant pump motor: 2,850 rpm / 0.12 hp Internal grinding attachment Bore: 70 mm Internal grinding spindle speed Ø70 mm: 14,000 rpm Internal grinding spindle speed Ø50 mm: 21,000 rpm Subject to error or omission, the technical information is provided without obligation.

Condition: refurbished (used), TECHNICAL DETAILS - distance between centers : 1500 [mm] - centers height : 250 [mm] - max grinding diamater: 500 [mm] - table orientation : -/+ 8 [°] - universal wheelhead - grinding wheels dimensions : 400 x 50 x 127 [mm] - motor power : 3 [kW] - spindle speed : 1500 / 1700 / 2200 - boring for internal spindle : 90 [mm] - orientation of part holder headstock : 180 [°] - spindle speed : 20 - 400 [Rpm] - spindle internal cone : Morse 5 Bljdpfxjwu Aqhs Abbsr - motor power : 0,9 [kW] - inner cone tailstock : Morse 4 - tailstock sleeve travel: 30 [mm] - dimensions : 2860 x 1680 x 1670 [mm] - weight : 2 500 [kg] Accessories/options: - automatic cycle works - tailstock - lubricating tank with pump - 1 internal grinding spindle - external grinding wheels - wheel dresser - documentations The machine is partly overhauled, included: - new geometry - new electrical cabinet - bearings replaced - new painting - etc....