GT77- NORMAC 4 AXIS CNC THREAD AND CHAMFER GRINDING MACHINE
Other Tap Thread Grinder Models:
Superior mechanical design and state of the art control technology.
Fully enclosed grinding chamber.
Front mounted, self-compensating rotary dressing system.
Workhead mechanism provides capability for full eccentric relief, con-eccentric relief or no relief.
Variable speed grinding spindle drive, with multispeed cycle operation for roughing and finish/dressing passes.
Patented cradle loading system keeps workpieces separated during transfer to avoid damage to finished surfaces.
Four servo controlled axes - grinding wheel movement, workpiece rotation, workpiece linear movement, and relieving cam rotation.
Multi processor CNC is easy to use and contains programs for popular tap styles.
Size Range: #4 through 3/4" (3 mm - 19 mm) diameters. 3" (75 mm) maximum thread length.4-1/2 " (115 mm) maximum overall length.
2 through 6 straight or spiral flutes.
80 through 8 T.P.I. (0.4 mm - 2.5 mm) pitch (dependent on diameter).
Full eccentric or con-eccentric thread relief.
Plug (4 to5 thread) or bottoming style chamfers. Hand taps, machine taps, tapered pipe taps, cold forming taps, etc.
Accuracy: Pitch diameter to within .0005" (0.01 mm) T.I.R. Thread pitch to within .0005" (0.01 mm) per inch (0.01 mm per 25 mm). Concentricity to within .0005" (0.01 mm).
General: Fixed lead (wheelhead) angle at 3.5° right hand.
Grinding Wheels: 18" (45 mm) O.D. x 9" (228.6 mm) I.D. x 3/8", 1/2", 3/4", or 1" (10 mm, 13 mm, 19 mm, or 25 mm) wide.
Diamond Dressing Rolls: 2.500" (63.5 mm) basic root diameter. 1.250" I.D. (31.75 mm). 1.20" wide (30.5 mm). Reverse plated type, single rib, multi-rib, single rib with chamfer angle, or cold forming style.
NOTE: Diamond dressing rolls are not included with the machine.