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34 x 120 Landis Model 4R Plain Cylindrical Grinder
S/N: 861-54

Specifications:

Nominal Working Swing:  34"
Distance between Centers:  120"
Work Carriage:
- Traverse Speed:  2 to 144 IPM
- Traverse Speed per Turn of Handwheel:  0.100" (slow) and 0.500" (fast)
Wheelhead and Wheelfeed:
- Grinding Wheel Size: 30"
- Grinding Wheel Speeds:  668/1003 RPM
-Hydraulic Rapid Infeed:  3.5" (Max) 1.625" (Min)
Ranges:
-Total Feed:  0.001" on Diameters 0 to 0.999"
- Fast Feed:   0.001" on Diameters 0 to 0.999"
- Medium Feed:  0.001" on Diameters 0 to 0.999"
- Microfeed:   0.001" on Diameters 0 to 0.999"
Rates:
- Fast Feed:   0.0001 IPS on Diameters 0 to 0.0099
- Medium Feed:  0.0001 IPS on Diameters 0.0099"
- Microfeed:   0.00001 IPS on Diameters 0 to 0.00099"
Traverse Grinding:
- Increments at Table Reversal:  0.0001" at Diameters 0 to 0.0099
- Number of Sparkout and Traverses:  0 to 9
Headstock and Tailstock
_ Work Centers:  #14 Jarno
- Tailstock Center Movement:  Lever and Handwheel