FLAT GRINDING MACHINE

JUNG / Supromatik JF 50 EVO

Jung Supromatic HF 50 EVO

Jung Supromatic HF 50 EVO Surface Grinding Machine, year of manufacture 2000, in excellent, fully overhauled original condition.
The machine comes from the technical center of a renowned German mechanical engineering company.

Technical Data:

Year of manufacture: 2000
Technical specifications
Clamping surface (L x W in mm): 600 x 200
Maximum grinding area (L x W in mm): 600 x 250
Maximum magnet size (mm): 500 x 200
Maximum grinding wheel dimensions (mm): 225 (250) x 25 x 51
Table to spindle center distance (mm): Max. 400
Table longitudinal feed (reciprocating, 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

Approximate machine weight: 2.0 t

Accessories and Equipment:

• Magnetic chuck
• Coolant system
• Machine feet
• Grinding wheel

About the machine:

We offer a Jung HF 50 EVO surface grinding machine, year 2000, in excellent condition. The machine is, of course, fully functional and has only approx. 50 operating hours since its overhaul. All slides run very smoothly and evenly. Even at high speeds, the Jung operates very quietly. This newer generation of surface grinders is highly user-friendly and enables the production of surfaces with a low Rz value. Take the opportunity to inspect this machine under power on site and see its condition for yourself.

Scope of overhaul:

Mechanical service:
• Complete mechanical overhaul
• Hydraulics
• Infeed mechanism
• Lubrication
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• Cross and vertical adjustment
• Grinding spindle
• Wheel dresser
• Repainting in new machine quality
Geometric service:
• Guideway grinding by the manufacturer (optional)
• Scraping of guideways
• Column realignment, measurement, possible scraping/grinding, refitting with pressure plates, inspection and preparation of guideways
• Adjusting crosshatch at spindle head
• Alignment of wheel dresser
• Regrinding of table and magnet
• Machine acceptance according to manufacturer’s test sheet
Electrical service:
• Replacement of complete wiring, all limit switches and pushbuttons
• Conversion of X-axis from cam switch to contactless limit switches (HF 50)
• New control cabinet
• RSF position display (2- or 3-axis readout)
• Magnet holding force control for 24V or EP magnetic chuck
Control modernization:
• New auxiliary control cabinet (operator panel top right)
• Thyristor control for grinding spindle drive
• Manual cylindrical wheel dressing with top dresser or side dresser (for Diaform operation)

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