MODEL NO. 72HWD GOULD & EBERHARDT UNIVERSAL GEAR HOBBING MACHINE
Description
MODEL NO. 72HWD GOULD & EBERHARDT UNIVERSAL GEAR HOBBING MACHINE
SERIAL NO. 5440A2 (NEW 1958) SUITABLE FOR THE CUTTING OF SPUR AND HELICAL GEARS, PINIONS, SPLINES, SPROCKETS, AND OTHER WORKPIECES OF SIMILAR PROFILE UP TO 84” (2124MM) DIAMETER, WITH OPTIONAL LARGER 50” (1270MM) DIAMETER WORK-TABLE WITH 13” (330.2MM) THRU-BORE DIAMETER EQUIPMENT / FEATURES: HEAVY DUTY WORM-DRIVEN SWIVEL HOB-HEAD (W/MANUAL HOB-SHIFT) PPTIONAL LARGER DIAMETER 50” (1270MM) MACHINE WORK-TABLE WITH SPECIAL 13” (330.2MM) DIAMETER THROUGH-BORE WORK TABLE DRIVE WITH SINGLE-THREAD DUAL-LEAD INDEX WORM & GEAR W/AXIAL BACKLASH ADJUSTMENT OUTBOARD SUPPORT COLUMN W/TAILSTOCK & CENTER DIFFERENTIAL MECHANISM FACILITATING HELICAL GEAR CUTTING AUTOMATIC INFEED WITH VERNIER SCALE POWER RAPID TRAVERSE FOR MAIN COLUMN AND HOB-SLIDE CLIMB & CONVENTIONAL HOBBING CAPABILITY POWER FORCED LUBRICATION SYSTEM TO ALL WORKING ELEMENTS SELF CONTAINED COOLANT SYSTEM, PUMP & PIPING ONE (1) HOB ARBOR (1-1/4” DIAMETER) LARGE ASSORTMENT OF CHANGE GEARS FOR FEED, INDEX, AND DIFFERENTIAL FULL COMPLEMENT OF ELECTRICS, (MOTORS CONTROLS) MISC. GUARDS, COVERS PRICE: F.O.B. OUR WAREHOUSE
Specifications
| Manufacturer | GOULD & EBERHARDT |
| Year | 1958 |
| Condition | Used |
| Serial Number | 5440A2 |
| Stock Number | 28604 |
| Max. rated diametral pitch (module) in steel | 1.25 DP (20 MODULE) |
| Maximum hob diameter | 10.75” (273MM) |
| Maximum hob length | 16" |
| Centerline of work-table | 69” (1753MM) |
| Centerline of work-table (w/oversize 50” diameter work-table) | 9” (229MM) |
| Face capacity – spur, pinions, gears | 24" (609.6MM) |
| Face capacity 45º helical gear | 18” (457.20MM) |
| Max. diameter spur gear (w/o support) | 84" (2124MM) |
| Max. diameter spur gear (w/support) | 48” (1220M) |
| Max. diameter 45º helical gear | 72" (1830MM) |
| Work table diameter | 50" (1270MM) |
| Index worm gear diameter | 48" (1220MM) |
| Work-table thru-bore diameter | 13” (330.2MM) |
| Infeed range | .003-.200” (.076-5.08MM) |
| Index range (per catalog) incl. primes | 15 TO 100 |
| Index range (per catalog) excl. primes | 100 TO 400 |
| Hob speeds, number | 14 |
| Hob speeds, range | 5 TO 80 RPM |
| Main drive motor, horsepower | 15 HP (11.19 KW) |
| Rapid traverse motor, horsepower | 5 HP (3.37 KW) |
| Floor space, approx. | 82”X175” (2080X4450MM) |
| Height, approx. | 112” (2.840MM) |
| Weight, approx. | 43,000 LBS. (19,545 KG) |