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Jung / Supromatic JF 520

Jung Supromatic JF 520

Jung Supromatic JF 520 Surface Grinding Machine, Year of Manufacture 2016, in excellent general-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, mm): 600 x 200
Grindable area (L x W, mm): 600 x 250
Maximum magnet size (mm): 500 x 200
Maximum grinding wheel dimensions (mm): 225 (250) x 25 x 51
Distance table/spindle center (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 (kW, incl. creep feed): 1.6 – 2.2

Machine weight approx.: 2.0 t

Accessories and Equipment:

- Magnetic chuck
- Coolant system
Gbsdpfx Aoy Naw Iji Nor
- Machine mounts
- Grinding wheel

About the machine:

We are offering a Jung Supromatic JF 520 surface grinding machine, year of manufacture 2016, in excellent condition. Naturally, the machine is fully functional and has only approx. 50 operating hours since its overhaul. The slides all run very smoothly and evenly. Even at high speeds, the Jung runs very quietly. This latest generation of surface grinding machines is extremely user-friendly and can achieve fine surface roughness values (low Rz). Take the opportunity to inspect this machine under power on site and get your own impression of its condition.

Scope of overhaul

Mechanical includes:
- Basic mechanical overhaul
- Hydraulics
- Feed systems
- Lubrication
- Cross and elevating adjustment
- Grinding spindle
- Dresser
- Painting to new machine quality

Geometric includes:
- Optional: slideway grinding at the manufacturer
- Scraping in of slideways
- Column alignment, measurement, scraping/grinding if necessary, fitting new pressure pads, inspection and documentation of slideways
- Setting crosshatch pattern on spindle head
- Aligning dresser
- Regrinding of table and magnet
- Machine acceptance as per manufacturer’s inspection sheet

Electrical includes:
- Complete renewal of 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)
- Magnetic force control for 24V or EP-magnetic chuck
- Control system modernization
- New operator side cabinet (control panel top right)
- Thyristor control for grinding spindle drive
- Manual cylindrical dressing using overhead or side dresser (for Diaform operation)

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