OKAMOTO ACC-63ST – Precision Surface Grinding Machine

General information • Brand: Okamoto • Type: ACC-63ST (Precision Surface Grinding Machine) • Year of manufacture: 1998 • Serial Number: 83421 • Control: NC control (operation also possible manually via handwheels) • Condition: used, limited functionality (vertical feed defective) Workspace • Max. sanding length: 605 mm • Max. sanding width: 300 mm • Max. sanding height: 322.5 mm • Max. table load: 420 kg Feed • Hydraulic longitudinal feed: 0.3 – 25 m/min • Manual longitudinal feed per revolution: 47 mm • Hydraulic transverse feed (gradual): 0.5 – 20 mm • Hydraulic transverse feed (continuous): 100 – 1000 mm/min • Manual transverse feed per revolution: 5 mm • Graduation line on handwheel: 0.02 mm Vertical movement • Automatic feed: 0.002 – 0.03 mm • Automatic feed per transverse stroke reversal: 0.002 – 0.03 mm • Manual feed per revolution: 0.5 mm • Manual fine feed: 0.005 – 0.03 mm • Graduation line on the handwheel: 0.002 mm • Vertical rapid traverse: 400 mm/min Grinding wheel • Dimensions (Ø × width × bore): 355 × 38 × 127 mm • Spindle speed: 1,500 rpm Engines • Grinding spindle drive: 3.7 kW • Hydraulic pump: 1.5 kW • Vertical rapid traverse: 0.4 kW More data • Space requirement (L × W × H): 2630 × 1900 × 1770 mm • Net weight: approx. 1,900 kg • Coolant system: incl. 130 l tank, pump, supply lines and fittings The machine shows signs of wear and is basically functional. The automatic vertical feed is defective (jumps and does not deliver the set dimension). However, delivery by handwheel works perfectly.