Tool Holders - Hardinge

Releasing & Self-Feeding Die HoldersCHNC ® IIICHNC ® IIISPPage 31Releasing Acorn Die HolderThe acorn die holder is used to put external threads on a workpiece.The holder mounts into a round shank tool holder and is generally used for external productionthreading. The threading capacity of the unit is 1 ⁄4" (6.35mm) to 5 ⁄16" (7.94mm) and uses a No.2 die. The maximum thread length is approximately 1 5 ⁄8" (41.28mm).The holder is designed to release quickly at the end of the turret travel. The machine spindlemust be reversed to feed the die off the workpiece.FHKABDModel Part DimensionsNo. Number A B C D F H KT10- 5 ⁄8 T10-0000625 Inch 2.25 1.44 3.69 .625 1.41 .380 1.56mm 57.20 36.50 93.70 15.88 35.70 9.50 39.70T10- 3 ⁄4 T10-0000075 Inch 3.25 2.00 5.25 .750 1.69 .500 1.50mm 82.60 50.80 133.40 19.05 42.90 12.70 38.10CSelf-Feeding Die HolderThe self-feeding die holder provides automatic thread length control. The die holdereliminates the need to match feed rate to thread pitch, minimizing tool breakage and “pulled”or “squeezed” threads.The holder has a 5 ⁄8" shank diameter for mounting into a round shank tool holder. Threadlength, controlled by the die holder, is adjustable in increments of .01" (.25mm).The same unit is used for both left- and right-hand dies.Holders SK11, SK12 accept button dies having an OD of 5 ⁄8", 13 ⁄16", or 1". Adapters are suppliedstandard for the 5 ⁄8" and 13 ⁄16" sizes while the 1" size mounts directly in the holder. Holders SK21,SK22 accept button dies having an OD of 13 ⁄16", 1", 1 5 ⁄16", or 1 1 ⁄2". Adapter rings are suppliedstandard for holding the button dies with OD's of 1" or smaller. The1 1 ⁄2" size mounts directly in the holder.HFLDModel Part DimensionsNo. Number A B C D F H K LSK11 K11-0011764-K Inch 2.22 1.25 3.47 .625 1.58 .361 1.33 1.26mm 56.40 31.80 88.10 15.88 40.10 9.17 33.80 32.00SK12 — Inch 1.97 1.25 3.22 .625 1.58 .361 1.33 1.26mm 50.00 31.80 81.80 15.88 40.10 9.17 33.80 32.00SK21 K21-0011764-K Inch 2.22 1.25 3.47 .625 1.58 .361 1.33 1.26mm 56.40 31.80 88.10 15.88 40.10 9.17 33.80 32.00SK22 — Inch 1.97 1.25 3.22 .625 1.58 .361 1.33 1.26mm 50.00 31.80 81.80 15.88 40.10 9.17 33.80 32.00KModel Maximum MaximumNo. Thread OD Thread LengthSK11 5⁄16" (7.94mm)25⁄32" (19.84mm)SK12 5⁄16" (7.94mm)19⁄32" (15.08mm)SK21 9⁄16" (14.29mm)27⁄32" (21.43mm)SK22 9⁄16" (14.29mm)19⁄32" (19.84mm)ACB© Hardinge Inc., 2001All specifications subject to change without notice.Unless indicated otherwise, all marks indicated by ® and are trademarks of Hardinge Inc.Hardinge Inc.Elmira, New York 14902-1507 USACall 800-843-8801Monday—Friday, 8:00 am to 8:00 pmEastern Standard Time for FAST delivery!