CNC Cylindrical Grinder

KNOPS - Werkzeugmaschinen (10)
S 140 CNC
30 augustus 2018

STUDER S140 - CNC cylindrical OD + I/D grinding machine

Hours 38,760

Current state very good / very precise

Max I/D grinding diameter 100 mm
Max O/D grinding diameter 120 mm
Max O/D grinding length 110 mm
Control SIEMENS 840D V2-01
Simultaneous I/D and O/D operation
Maximum/average power requirement 56 kVa/28 kVa
Voltage 3x 380 ±10Volt / 50 Hz
Weight of the machine ca. 6,0 t

Dimensions of basic machine 2,560 x 1,810 x 2,200
Footprint of working area. 4,810 x 3,800 x 2,200 mm

Coolant system Oil
Automatic CO2 fire extinction system Total Walter K8
Backup fire extinguishing Inert gas generators (military type)
Sensitron touching system Dittel M5000
Original spindle F 120 mm / GMN 60,000 RPM installed
Adapted additional spindle F 100 mm Sliding / GMN 90,000 RPM installed
Converter for I/D spindle Acomel - defective
High frequency diamond dressing spindle
Sensitron touching system Dittel M5000

Technical specifications
Very rigid Granitan S103 machine bed
X axis max travel 300 mm
X axis rapid feed 15,000 mm/min
X axis resolution 0.0001 mm
X2 axis max travel 100 mm
X2 axis rapid feed 15,000 mm/min
X2 axis resolution 0.0001 mm
Z axis max travel 300 mm
Z axis rapid feed 15,000 mm/min
Z axis resolution 0.0001 mm
Z2 axis max travel 100 mm
Z2 axis rapid feed 15,000 mm/min
Z2 axis resolution 0.0001
Workhead RPM 0-1,000 rpm continuous
Collet clamping system Powerhold pneumatic, - the original hydraulic
system left in place, but disabled.
Workhead taper MK5
Wheel head angle 30°
Maximum wheel diameter 400 mm
Maximum wheel width 32 mm
Wheel bore 127 mm
Wheel RPM up to 3,150 rpm (programmed by peripheral speed)

Documentation files for commissioning, safety rules, operating, programming,
maintenance, electrical diagrams.


Knops Werkzeugmaschinen

40233 Duesseldorf (Germany)