#133 SHEFFIELD PRECISION THREAD & FORM GRINDER

Maximum thead diameter (recommended) 1/2"
Maximum helix angle adjustment (R.H./L.H.) 5 degrees
Maximum swing length to grind 3"
Maximum thread length from headstock 2 1/2"
Maximum length of thread ground, plunge cutting 1/2"
Maximum distance from fixed center to end of thread, plunge
cut 2"
Maximum length of work held between centers 4"
Coarsest pitch (recommended) 20 TPI
Finest pitch (recommended) (can go to 212 TPI) 120 TPI
Maximum lead adjustment over work .003 in 3"
Microscope 28 Power
Return work speed 82 to 230 RPM
Work speed range 3 - 75 RPM
Pitch of lead screw 20 TPI
Wheel size standard 8" OD x 3" ID x 1/2" wide
Capacity of coolant pump 3 1/2 gal/minute
Capacity of coolant reservoir 4 1/2 gallons

MOTOR SPECIFICATIONS

3/4 HP 3/60/220-440 Main drive motor