1975 NILES 630 C1

This Niles Model ZSTZ 630-C1 Gear grinding generating
machine is capable of producing AGMA quality 10 gears with proper tooling and fixturing. The machine was replaced with a Brand New Hofler cnc gear grinder but had been working well up until the time it was removed for the arrival of the new machine.

Machine Specifications are as follows:

Max Diam. 24.80"
Min Root Diam 1.125"
Min Number of teeth 12
Max Wheel Diam. 13.78"
Wheel Bore 5"
Max Wheel Width .984"
Max Pitch 12 MOD
Min Pitch 2 MOD
Max Helix angle 45 deg

machine is capable of grinding utilizing the Generating method
lead and profile Modification
to include lead, crown  & tip/root relief

machine is equipped with the following:
t-slotted work table
Tailstock
custom Tailstock steady rest for shafts 
Upgraded table axis to Ball screw configuration
Sine plate for accurately setting Helix angles
Upgraded Stoking speed to new variable speed drive
all motors converted to with an inverter to 60Hz
oil coolant centrifuge for swarf 
full set of change gears for machine
Grinding Wheels
Books and manuals

This machine would be an excellent job shop machine for a company looking to get intro the gear grinding business. possible training available upon request!!