Grinding machines - Rotary Table Grinder - 2 Spindles - KEHREN Ri 8/4 CNC Sold

Rotary Table Grinder - 2 Spindles

KEHREN Ri 8/4 CNC

Stock number:
1118-1540 
Year:
1998 
Control unit:
CNC (SIEMENS SINUMERIK 840D)
Country of origin:
Germany 

Technical specs

Details

rotary table diameter
800 mm
grinding height
700 mm
grinding head - power requirement
 kW
max. work piece - swing diameter
900 mm
grinding diameter max.
800 mm
vertical movement grinding head (z-axis)
 
vertical working stroke
900 mm
drive system
AC – Vorschubmotor 
feed:
0,010 - 3.000 mm/min
rapid traverse
5.800 m/min
measuring system
Linearmaßstab (0,001mm)  
Cross movement of saddle (X-Axis)
 
drive system
AC – Vorschubmotor 
feed:
0,010 - 6.000 mm/min
rapid traverse
15.000 mmmin
measuring system
Linearmaßstab(0,001 mm)  
guidance system
hydrostatische Führung, V-flach 
rotary table:
 
diameter
800  mm
drive system
AC – Vorschubmotor mit Schneckengetriebe 
turning speed range
5 - 150  min-1
max. table load
500 kg
directing system
hydrostatisch, radial und axial eingespannt 
turret (B-axis)
 
local section
1 °
swival range +/-
95 °
station times for 90° swiveling
ca. 4 sec.
drive system
AC-Servomotor mit Schneckengetriebe  
guidance system
vorgespannte Wälzlagerung 
positioning
Planverzahnung (Hirth) 1° und hydr. Spannung 
number of grinding spindles
2, automatisch einschwenkbar 
spindle1:
 
diameter
120 mm
grinding height
300 mm
depth of immersion
250 mm
power
5,5 kW
speeds:
1.500 - 4.000  min-1
grinding disk
250 x 60 x 76  mm
spindle 2:
 
diameter
120 mm
grinding height
700  mm
output
7,5 kW
turning speeds
1.500 - 4.000  min-1
grinding disk
400 x 60 x 127 mm
cnc control
SINUMERIK 840 D  
Extended KEHREN – application software
 
weight of the machine ca.
11,6 t
dimensions of the machine ca.
6,5 x 4,0 x 3,1  m
total power requirement
 kW
Control unit
CNC 
Maker of control unit
SIEMENS SINUMERIK 840D