EMAG KARSTENS - K21 External / internal cylindrical grinding machine

Used KARSTENS K21 Round Grinding Machine-Universal

2011 Overhaul by Weiss Schleiftechnik for almost 80,000 euros

​Technical Data

• Grinding length 1500 mm
• Max. Grinding diameter 500 mm
• Top height: 250 mm
• Grindable bore max. Diameter: 3-300 mm
• Workpiece weight: 400 kg
• Workpiece spindle - bore: 52 mm
• Workpiece spindle speed: 15-135 u. 40-340 rpm
• Grinding spindle swivelability 0 - 180 degrees
• feed control
• Total power requirement: 12 kW
• Space requirement: 7,2x3x2 m

Performed machine overhaul in 2011

• Mechanical overhaul. Step 1 of the offer
• Replace hydraulic system and drive motor
• Soft start of the workpiece spindle
• Feed control F2001 / 1
• Electrical equipment (e-cabinet, control elements PLC control, etc.)
• Geometry acceptance according to DIN 8630
• Remontage and commissioning (1 day)
• packaging costs
• Crane truck (15 tons)
• Minus intra-company transport by HDM
• Partial painting of the reworked components
• Removal: pneumatic. Air cushion removal of the Z-axis upper table
• Completely new changing door with safety glass, fused with CE-marking
• Adjustable internal grinding wheel
• Hydraulic construction speed