18″ x 120″ Landis 4RH CNC | 36″ x 3″ Whl, 20HP, Heidenhain ND780 CNC, Rebuilt ’10 – #50921

SPECIFICATIONS:
Nominal Work Swing............18"
Swing over Table - Maximum............19-15/32"
Swing with Full Size Standard Grinding Wheel............18"
Distance Between Centers - Maximum............120"
Work Carriage:
- Traverse Speed............2 - 144 IPM
- Traverse Speed per Turn of Handwheel............0.100" (slow) & 0.500" (fast)
- Work Rest Capacity............0.5" - 7"
Wheelhead and Wheelfeed:
- Grinding Wheel Size - Standard............36" x 3" x 12"
- Grinding Wheel Width - Maximum............8"
- Grinding Wheel Speeds............668/1003 RPM
- Minimum Diameter of Worn Grinding Wheel............20"
- Hydraulic Rapid Infeed............3.5" (Max) 1.625" (Min)
Ranges:
- Total Feed............0.001" on diameters 0 - 0.999"
- Fast Feed............0.001" on diameters 0 - 0.999"
- Medium Feed............0.001" on diameters 0 - 0.099"
- Microfeed............0.001" on diameters 0 - 0.009"
Rates:
- Fast Feed............0.0001 ips on diameters 0 - 0.0099"
- Medium Feed............0.0001 ips on diameters 0 - 0.0099"
- Microfeed............0.00001 ips on diameters 0 - 0.00099"
Traverse Grinding:
- Increments at Table Reversal............0.0001" at diameters 0 - 0.0099
- Number of Sparkout Traverses............0 - 9
Headstock and Tailstock:
- Work Centers............#14 Jarno
- Tailstock Center Movement............Lever and Handwheel
- Work Speeds (dead spindle)............30 - 48 - 75 - 150 RPM
Swivel Table:
- Graduated Inches per Foot............2.25"
- Degrees............10°
Electric Motors:
- Wheel Drive............20 HP
- Wheel Spindle Lubrication Pump............1/4 HP
- Work Drive............5 HP
- Hydraulic Pump and Lubricating Drive............3 HP
- Coolant Pump............1/3 HP
Coolant Tank Capacity............55 Gallons
Hydrualic tank Capacity............22.5 Gallons
Weight - Approximate............23,700 Lbs.

EQUIPPED WITH:
Heidenhain ND 780 CNC control
Versagrind Belt Attachment
Swivel Table and Carriage
Headstock - dead spindle
Tailstock
Large Landis Cylindrical Grinding Wheel Hub
PRAB Model PFA-240 Coolant Filtration System
SBS Blancing Grind Wheel System Model SB-5500

*Preliminary Specifications Subject to Verification.