Description and Specification for Lab Tenders
Universal Gear Hobing Machine.
Salient Features : Gear Hobbing Machine model V-300 is designed for the production of precision Spur, Helical, Worm Gears, Splines, Sprockets, Rachet Wheels & any other form that can be hobbed. Its bed & column are of close grain casting & are well ribbed with V-type guideways. The shafts & Gears are made of alloy steels. The indexing worm wheel is of high grade Bronze material. The machine is equipped with Differential Mechanism for cutting helical gears. Provision has been made to remove backlash between the indexing worm & worm gear and also between feed screw & the nut of the hob slide. Oil reservoirs are provided in the machine which ensures thorough lubrication of gears & bearings. STANDARD EQUIPMENTS : One Electric Motor 2 H.P. (960 RPM), One Electric motor 1 H.P. (1440 RPM), One Electric Coolant Pump, One work arbour, One Hob arbour, One set of 45 change gears,One set of spanners.
| Maximum continuous output (Max. Pitch) | 6 D.P. | 4 Module | |
| Maximum diameter of Gear with support | 14" | 356 mm | |
| Minimum diameter of gear | 0.375" | 10 mm | |
| Face Capacity for Spur gear | 8" | 203 mm | |
| Minimum number of Teeth | 5 | 5 | |
| Face capacity for Helical Gear | |||
| Helix angle upto 15° | 7" | 178 mm | |
| Helix angle upto 30° | 6" | 152 mm | |
| Helix angle upto 45° | 5" | 127 mm | |
| Distance between Hob Spindle & Surface of Table | (Maximum) | 13.5" | 343 mm |
| (Minimum) | 4.5" | 114 mm | |
| Axis to Axis distance of Hob Spindle to Table | (Maximum) | 8.5" | 216 mm |
| (Minimum) | 1" | 25 mm | |
| Diameter of work Table | 13" | 330 mm | |
| Maximum diameter of Hob | 3.5" | 90 mm | |
| Maximum length of Hob | 5" | 127 mm | |
| Diameter of Work arbour & Hob arbour | 1.25" | 32 mm | |
| Hob speeds in R.P.M. | 60,75,90,120,150,180 | ||
| Feed of the hob slide | (Maximum) | 0.1" | 2.5 mm |
| (Minimum) | 0.010" | 0.25 mm | |
| Main drive motor | 2 H.P. | 1.5 Kw | |
| Rapid Motor | 1 H.P. | 0.75 Kw | |
| Coolant Pump | 0.16 H.P. | 0.12 Kw | |
| Floor space required with cover closed | 74" x 34" | 1880 x 864 mm | |
| Floor space required with cover opened | 82" x 67" | 2083 x 1702 mm | |
| Weight of the machine | 4840 lbs. | 2200 Kg | |
| Height of the Machine | 75" | 1905 mm | |
The heavy duty Universal Gear Hobbing Machines represent the ultimate in sound uptodate design. These are of precision construction with superior workmanship which ensures high output and fine performance. The machine can cut Spur Gears, Helical Gears, Worm Gears, Splines, Serration sprocket Wheels, Retchet Wheels and any other form that can be hobbed. The bed and main column of the machines are of ample size. These are of box type design and are well ribbed with V-type guideways. For the consistence accuracy of the machine axially adjustable Indexing worm is provided to remove backlash. Provision has also been made to remove backlash in feed screw and nut of the Hob slide. Oil reservoirs are provided in the machine which ensures thorough lubrication of Gears & Bearings.
One main electric Motor, One rapid electric motor, One electric coolant Pump, One Work Arbour, One Hob Arbour, One set of 48 change Gears, Six segment supports (One Face Plate 54" dia. and One V-Belt Pulley 31 dia. for V-1500 only)
| Maximum Continuous Output (Max. Pitch) | 3 D.P. | 2 D.P. | |
| Maximum Dia. of Gear with support | 40" | 60" | |
| Minimum Dia. of Gear that can be cut | 2" | 3" | |
| Maximum face Width for Spur Gear | 18" | 30" | |
| Face Capacity for Helical Gears Helix Angle | 15° | 18" | 30" |
| 30° | 12" | 24" | |
| 45° | 8" | 16" | |
| Distance between Hob Spindle & Surface of the table | Maximum | 27" | 42" |
| Minimum | 8.5" | 9" | |
| Axis to axis distance of Hob spindle to the table | Maximum | 22" | 36" |
| Minimum | 1.5 | 2" | |
| Diameter of Work Table | 25" | 35" | |
| Maximum Diameter of Hob | 6" | 9" | |
| Maximum Length of Hob | 8" | 12" | |
| Hob Shift | 2" | 2" | |
| Diameter of Work Arbour | 2" | 2" | |
| Diameter of Hob Arbour | 1.25" | 1.25" | |
| Hob Speeds in R.P.M. | 40, 60, 80 | 20, 30, 40, 60 | |
| Feed of the Hob Slide | Maximum | 0.1" | 0.1" |
| Minimum | 0.010" | 0.010" | |
| Main Drive Motor | 3 H.P. | 5 H.P. | |
| Rapid Motor | 2 H.P. | 2 H.P. | |
| Floor space required with covers closed | 100" x 41" | 150" X 46" | |
| Floor space required with covers open | 120" x 82" | 167"x 98" | |
| Weight of the Machine (Approx) | 5100 Kgs | 8200 Kgs | |
| Height of the Machine | 84" | 105" | |
