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Jung / Supromatic JF 520

Jung Supromatic JF 520

Jung Supromatic JF 520 flat grinding machine, year of manufacture 2016, in very good, thoroughly overhauled original condition.
The machine comes from the technical center of a renowned German mechanical engineering company.

Technical Specifications:

Year of manufacture: 2000
Technical details:
Clamping surface (L x W in mm): 600 x 200
Grindable area (L x W in mm): 600 x 250
Max. magnet size (mm): 500 x 200
Max. grinding wheel dimensions (mm): 225 (250) x 25 x 51
Distance table/spindle center (mm): max. 400
Table longitudinal feed, oscillating (m/min): 1 – 20
Creep feed (mm/min): 0 – 500
Grinding spindle drive, speed (rpm): 800 – 4200
Power output kW (with creep feed): 1.6 – 2.2

Approx. machine weight: 2.0 t

Accessories and Features:

Magnetic chuck
Coolant system
Machine mounts
Grinding wheel

About the Machine:

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We offer a flat grinding machine Jung Supromatic JF 520, year 2016, in very good condition. The machine is, of course, fully operational and has only about 50 operating hours since its overhaul. All slides run very smoothly and evenly. Even at high speeds, the Jung runs with low vibration. This newer generation of surface grinding machines is extremely user-friendly and enables the production of surfaces with a very low Rz value. Take the opportunity to inspect this machine on site under power and see its condition for yourself.

What Has Been Overhauled

Mechanical scope of work:
- General mechanical overhaul
- Hydraulics
- Feed mechanisms
- Lubrication
- Cross and vertical adjustment
- Grinding spindle
- Dressing unit
- Painting in new machine quality

Geometric scope of work:
- Guideway grinding at manufacturer's site (optional)
- Scraping of guideways
- Column pull, measurement, possible scraping/grinding, re-fitting with new gibs, inspection and patterning of guideways
- Setting cross-hatch pattern on the spindle head
- Aligning the dresser
- Regrinding the table and the magnet
- Machine acceptance according to manufacturer's inspection sheet

Electrical scope of work:
- Renewal of the complete electrical system, all limit switches and buttons
- Conversion of the X-axis from cam switch to non-contact limit switches
- New control cabinet
- RSF position display (2- or 3-axis display)
- Holding force control for 24V or EP magnetic chuck
- Control system modernization
- New auxiliary control cabinet (operator console upper right)
- Thyristor control for grinding spindle drive
- Manual cylindrical dressing with head dresser or side dresser (for Diaform operation)

Annonsen ble oversatt automatisk. Oversettelsesfeil kan forekomme.