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JUNG / Supromatik JF 50 EVO

Jung Supromatic HF 50 EVO

Jung Supromatic HF 50 EVO Surface Grinding Machine, Year 2000, in Excellent, Fully Refurbished Original Condition
This machine comes from the technical centre of a renowned German mechanical engineering company.

Technical Specifications:

Year of manufacture: 2000
Technical Data
Clamping surface (L x W in mm): 600 x 200
Grindable surface (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
Table to spindle centre distance (mm): Max. 400
Longitudinal feed rate, table (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 device
- Machine feet
- Grinding wheel

About the machine:

We are offering a Jung HF 50 EVO surface grinding machine, year 2000, in excellent condition. The machine is, of course, fully operational and, after its overhaul, has approximately 50 operating hours. All slides move with ease and uniformity. Even at high speeds, the Jung runs smoothly. This new generation of surface grinders is highly user-friendly and enables the production of surfaces with a low Rz value. Take the opportunity to view this machine under power on site and judge its condition for yourself.

Scope of Overhaul:

Mechanical Overhaul:
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• Comprehensive mechanical refurbishment
• Hydraulics
• Infeed
• Lubrication
• Cross and vertical adjustment
• Grinding spindle
• Diamond dresser
• Repainting to OEM quality
Geometric Overhaul:
• Guideway grinding at the manufacturer (optional)
• Hand scraping of guideways
• Column removed, measured, and if necessary scraped/ground, retightened with pressure pads, guideways checked and reprofiled
• Adjustment of cross-hatch pattern on the spindle head
• Alignment of diamond dresser
• Grinding table and magnet resurfaced
• Machine acceptance according to manufacturer’s inspection sheet
Electrical Overhaul:
• Replacement of all electrics, limit switches, and push buttons
• Conversion of the X-axis from cam switch to proximity switch (HF 50)
• New control cabinet
• RSF digital position display (2- or 3-axis display)
• Hold force adjustment for 24V or EP magnetic chuck
Control System Modernization:
• New auxiliary control cabinet (operator panel top right)
• Thyristor control for grinding spindle drive
• Manual cylindrical dressing with top dresser or side dresser (for Diaform operation)

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