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JUNG JF 520 is a Surface grinder, engineered for precision, high accuracy and reliability. Working capacities: table 600×200 mm, grinding length 600 mm, grinding width 230 mm, grinding height 400 mm; max. distance table to spindle centre 500 mm; travels X 700 mm, Y 200 mm. Key specs: wheel Ø225×25 mm (bore 50 mm), speeds 1000–4000 rpm (stepless), table speeds 1–24 m/min, creep 100–450 mm/min, vertical feed 1–400 mm; supply 3×380 V 50 Hz; spindle motor 1.1/3.6 CV; total power 8 kVA; weight ≈1850 kg; dims 2250×1500×1850 mm. Accessories: dividing attachment, coolant system, paper filtration, electrical magnetic chuck 500×200 mm, swivelling magnetic plate 250×150 mm, diamond dresser, table-mounted dresser, DIAFORM profile dressing, 2‑axis digital readout HEIDEHAIN, oil refrigerating device. Achieves tight tolerances; suited for automotive, watchmaking, toolmaking, aerospace and medical applications
Technical specifications are subject to change without notice
| Table length | 600 mm |
| Table width | 200 mm |
| Grinding length | 600 mm |
| Grinding width | 230 mm |
| Grinding height | 400 mm |
| hydraulic | |
| with automatic cycle | |
| Max. distance from table | |
| to spindle-centreline | 500 mm |
| Longitudinal travel (X-axis) | 700 mm |
| Transversal travel (y axis) | 200 mm |
| Automatic cross-feed: | |
| Table speeds: | |
| stepless | |
| from | 1 m/min |
| up to | 24 m/min |
| Creep feed: | |
| from | 100 mm/min |
| up to | 450 mm/min |
| Automatic vertical feed: | |
| from | 1 mm |
| up to | 400 mm |
| Diameter of grinding wheel | 225 mm |
| Width of the grinding wheel | 25 mm |
| Wheel int. diameter | 50 mm |
| Grinding wheel speeds: | |
| stepless | |
| from | 1000 t/min |
| up to | 4000 t/min |
| Voltage 50 Hz 3x | 380 Volt |
| Grinding spindle motor | 1.1 / 3.6 CV |
| Total power required | 8 kVA |
| Machine's weight about | 1850 kg |
| Overall dimensions machine: | |
| Length | 2250 mm |
| Width | 1500 mm |
| Height | 1850 mm |
| Various accessories: | |
| Dividing attachment | |
| Coolant system | |
| Paper filtration system | |
| Electrical magnetic chuck | |
| Length | 500 mm |
| Width | 200 mm |
| Magnetic plate swivelling: | mm |
| Length | 250 mm |
| Width | 150 mm |
| Redressing device with diamant | |
| Diamond dressing device on table | |
| Profile wheel trueing attachment | DIAFORM |
| Digital readout number of axis: | 2 |
| Manufacturer | HEIDEHAIN |
| Oil refrigerating device |
