Surface grinding machine

Jung / Supromatic JF 520

Jung Supromatic JF 520

Jung Supromatic JF 520 Surface Grinding Machine, year of manufacture 2016, very good general overhauled original condition.
The machine comes from the technical center of a renowned German mechanical engineering company.

Technical Data:
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Year of manufacture: 2000
Technical Data:
Clamping area (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 traverse m/min:
1 – 20
Creep feed mm/min:
0 – 500
Grinding spindle drive speed RPM:
800 – 4200
Power kW (with creep feed):
1.6 – 2.2

Machine weight approx.: 2.0 t

Accessories and Equipment:

Magnet
Coolant system
Machine feet
Grinding wheel

About the machine:

We are offering a Jung Supromatic JF 520 surface grinding machine, year of manufacture 2016, in very good condition. The machine is, of course, fully operational and has completed approx. 50 operating hours since overhaul. All slides move very smoothly and evenly. Even at high speeds, the Jung runs very quietly. This newer generation of surface grinding machines is very user-friendly and can achieve surfaces with a low Rz value. Take the opportunity to inspect this machine under power on site and see for yourself its condition.

Scope of overhaul:

Mechanical scope:
Mechanical basic overhaul
Hydraulics
Feed
Lubrication
Cross and vertical adjustment
Grinding spindle
Dresser
Painting to new-machinery quality

Geometric scope:
Guideway grinding at the manufacturer’s facility (optional)
Scraping of the guideways
Column pull, measurement, possible re-scraping/grinding, adjusting with pressure stones, check and pattern guideways
Setting of cross-grinding on spindle head
Aligning the dresser
Regrinding the table and magnet
Machine acceptance to manufacturer's inspection checklist

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

The listing was translated automatically. Translation errors are possible.